Fixes for char_length() change.
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@ -54,11 +54,11 @@ select * from
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(2 rows)
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select *,character_length(术语) from 计算机术语;
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术语 | 分类号 | 备注1a | length
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------------+---------+--------+--------
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电脑显示屏 | 机A01上 | | 5
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电脑图形 | 分B01中 | | 4
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电脑程序员 | 人Z01下 | | 5
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术语 | 分类号 | 备注1a | char_length
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------------+---------+--------+-------------
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电脑显示屏 | 机A01上 | | 5
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电脑图形 | 分B01中 | | 4
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电脑程序员 | 人Z01下 | | 5
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(3 rows)
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select *,octet_length(术语) from 计算机术语;
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@ -54,11 +54,11 @@ select * from ͪߩѦ
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(2 rows)
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select *,character_length(용어) from 計算機용어;
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용어 | 分類코드 | 비고1a라구 | length
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------------------+----------+------------+--------
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컴퓨터디스플레이 | 機A01上 | | 8
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컴퓨터그래픽스 | 分B10中 | | 7
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컴퓨터프로그래머 | 人Z01下 | | 8
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용어 | 分類코드 | 비고1a라구 | char_length
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------------------+----------+------------+-------------
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컴퓨터디스플레이 | 機A01上 | | 8
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컴퓨터그래픽스 | 分B10中 | | 7
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컴퓨터프로그래머 | 人Z01下 | | 8
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(3 rows)
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select *,octet_length(용어) from 計算機용어;
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@ -52,11 +52,11 @@ select * from
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(1 row)
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select *, character_length(如淦杀) from 燹俑骜砧;
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如淦杀 | 狞瞥婉螭 | 氢蛇 | length
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--------+------------------+---------+--------
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缳妾淦 | 绠绠绎世 | 啤A01念 | 3
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犒葸淦 | 芈溷却宇狞瞥 | 你B10你 | 3
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螫悖淦 | 印汤洗枪却宇狞瞥 | 仨Z01摩 | 3
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如淦杀 | 狞瞥婉螭 | 氢蛇 | char_length
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--------+------------------+---------+-------------
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缳妾淦 | 绠绠绎世 | 啤A01念 | 3
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犒葸淦 | 芈溷却宇狞瞥 | 你B10你 | 3
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螫悖淦 | 印汤洗枪却宇狞瞥 | 仨Z01摩 | 3
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(3 rows)
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select *, octet_length(如淦杀) from 燹俑骜砧;
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@ -1,333 +1,333 @@
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QUERY: drop table ’·×’»»’µ¡’ÍÑ’¸ì;
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drop table ’·×’»»’µ¡’ÍÑ’¸ì;
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ERROR: Relation '’·×’»»’µˇ’ÍŃ’¸ě' does not exist
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QUERY: create table ’·×’»»’µ¡’ÍÑ’¸ì (’ÍÑ’¸ì text, ’ʬ’Îà’¥³’¡¼’¥É varchar, ’È÷’¹Í1A’¤À’¤è char(16));
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QUERY: create index ’·×’»»’µ¡’ÍÑ’¸ìindex1 on ’·×’»»’µ¡’ÍÑ’¸ì using btree (’ÍÑ’¸ì);
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QUERY: create index ’·×’»»’µ¡’ÍÑ’¸ìindex2 on ’·×’»»’µ¡’ÍÑ’¸ì using hash (’ʬ’Îà’¥³’¡¼’¥É);
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QUERY: insert into ’·×’»»’µ¡’ÍÑ’¸ì values('’¥³’¥ó’¥Ô’¥å’¡¼’¥¿’¥Ç’¥£’¥¹’¥×’¥ì’¥¤','’µ¡A01’¾å');
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QUERY: insert into ’·×’»»’µ¡’ÍÑ’¸ì values('’¥³’¥ó’¥Ô’¥å’¡¼’¥¿’¥°’¥é’¥Õ’¥£’¥Ã’¥¯’¥¹','’ʬB10’Ãæ');
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QUERY: insert into ’·×’»»’µ¡’ÍÑ’¸ì values('’¥³’¥ó’¥Ô’¥å’¡¼’¥¿’¥×’¥í’¥°’¥é’¥Þ’¡¼','’¿ÍZ01’²¼');
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QUERY: vacuum ’·×’»»’µ¡’ÍÑ’¸ì;
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QUERY: select * from ’·×’»»’µ¡’ÍÑ’¸ì;
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’ÍÑ’¸ì |’ʬ’Îà’¥³’¡¼’¥É|’È÷’¹Í1a’¤À’¤è
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---------------------------------------+---------------+--------------
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’¥³’¥ó’¥Ô’¥å’¡¼’¥¿’¥Ç’¥£’¥¹’¥×’¥ì’¥¤ |’µ¡A01’¾å |
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’¥³’¥ó’¥Ô’¥å’¡¼’¥¿’¥°’¥é’¥Õ’¥£’¥Ã’¥¯’¥¹|’ʬB10’Ãæ |
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’¥³’¥ó’¥Ô’¥å’¡¼’¥¿’¥×’¥í’¥°’¥é’¥Þ’¡¼ |’¿ÍZ01’²¼ |
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create table ’·×’»»’µ¡’ÍÑ’¸ì (’ÍÑ’¸ì text, ’ʬ’Îà’¥³’¡¼’¥É varchar, ’È÷’¹Í1A’¤À’¤è char(16));
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create index ’·×’»»’µ¡’ÍÑ’¸ìindex1 on ’·×’»»’µ¡’ÍÑ’¸ì using btree (’ÍÑ’¸ì);
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create index ’·×’»»’µ¡’ÍÑ’¸ìindex2 on ’·×’»»’µ¡’ÍÑ’¸ì using hash (’ʬ’Îà’¥³’¡¼’¥É);
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insert into ’·×’»»’µ¡’ÍÑ’¸ì values('’¥³’¥ó’¥Ô’¥å’¡¼’¥¿’¥Ç’¥£’¥¹’¥×’¥ì’¥¤','’µ¡A01’¾å');
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insert into ’·×’»»’µ¡’ÍÑ’¸ì values('’¥³’¥ó’¥Ô’¥å’¡¼’¥¿’¥°’¥é’¥Õ’¥£’¥Ã’¥¯’¥¹','’ʬB10’Ãæ');
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insert into ’·×’»»’µ¡’ÍÑ’¸ì values('’¥³’¥ó’¥Ô’¥å’¡¼’¥¿’¥×’¥í’¥°’¥é’¥Þ’¡¼','’¿ÍZ01’²¼');
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vacuum ’·×’»»’µ¡’ÍÑ’¸ì;
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select * from ’·×’»»’µ¡’ÍÑ’¸ì;
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’ÍÑ’¸ì | ’ʬ’Îà’¥³’¡¼’¥É | ’È÷’¹Í1a’¤À’¤è
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-----------------------------------------+-----------------+----------------
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’¥³’¥ó’¥Ô’¥å’¡¼’¥¿’¥Ç’¥£’¥¹’¥×’¥ì’¥¤ | ’µ¡A01’¾å |
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’¥³’¥ó’¥Ô’¥å’¡¼’¥¿’¥°’¥é’¥Õ’¥£’¥Ã’¥¯’¥¹ | ’ʬB10’Ãæ |
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’¥³’¥ó’¥Ô’¥å’¡¼’¥¿’¥×’¥í’¥°’¥é’¥Þ’¡¼ | ’¿ÍZ01’²¼ |
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(3 rows)
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QUERY: select * from ’·×’»»’µ¡’ÍÑ’¸ì where ’ʬ’Îà’¥³’¡¼’¥É = '’¿ÍZ01’²¼';
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’ÍÑ’¸ì |’ʬ’Îà’¥³’¡¼’¥É|’È÷’¹Í1a’¤À’¤è
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------------------------------------+---------------+--------------
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’¥³’¥ó’¥Ô’¥å’¡¼’¥¿’¥×’¥í’¥°’¥é’¥Þ’¡¼|’¿ÍZ01’²¼ |
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select * from ’·×’»»’µ¡’ÍÑ’¸ì where ’ʬ’Îà’¥³’¡¼’¥É = '’¿ÍZ01’²¼';
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’ÍÑ’¸ì | ’ʬ’Îà’¥³’¡¼’¥É | ’È÷’¹Í1a’¤À’¤è
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--------------------------------------+-----------------+----------------
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’¥³’¥ó’¥Ô’¥å’¡¼’¥¿’¥×’¥í’¥°’¥é’¥Þ’¡¼ | ’¿ÍZ01’²¼ |
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(1 row)
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QUERY: select * from ’·×’»»’µ¡’ÍÑ’¸ì where ’ʬ’Îà’¥³’¡¼’¥É ~* '’¿Íz01’²¼';
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’ÍÑ’¸ì |’ʬ’Îà’¥³’¡¼’¥É|’È÷’¹Í1a’¤À’¤è
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------------------------------------+---------------+--------------
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’¥³’¥ó’¥Ô’¥å’¡¼’¥¿’¥×’¥í’¥°’¥é’¥Þ’¡¼|’¿ÍZ01’²¼ |
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select * from ’·×’»»’µ¡’ÍÑ’¸ì where ’ʬ’Îà’¥³’¡¼’¥É ~* '’¿Íz01’²¼';
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’ÍÑ’¸ì | ’ʬ’Îà’¥³’¡¼’¥É | ’È÷’¹Í1a’¤À’¤è
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--------------------------------------+-----------------+----------------
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’¥³’¥ó’¥Ô’¥å’¡¼’¥¿’¥×’¥í’¥°’¥é’¥Þ’¡¼ | ’¿ÍZ01’²¼ |
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(1 row)
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QUERY: select * from ’·×’»»’µ¡’ÍÑ’¸ì where ’ʬ’Îà’¥³’¡¼’¥É like '_Z01_';
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’ÍÑ’¸ì |’ʬ’Îà’¥³’¡¼’¥É|’È÷’¹Í1a’¤À’¤è
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------------------------------------+---------------+--------------
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’¥³’¥ó’¥Ô’¥å’¡¼’¥¿’¥×’¥í’¥°’¥é’¥Þ’¡¼|’¿ÍZ01’²¼ |
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select * from ’·×’»»’µ¡’ÍÑ’¸ì where ’ʬ’Îà’¥³’¡¼’¥É like '_Z01_';
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’ÍÑ’¸ì | ’ʬ’Îà’¥³’¡¼’¥É | ’È÷’¹Í1a’¤À’¤è
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--------------------------------------+-----------------+----------------
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’¥³’¥ó’¥Ô’¥å’¡¼’¥¿’¥×’¥í’¥°’¥é’¥Þ’¡¼ | ’¿ÍZ01’²¼ |
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(1 row)
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QUERY: select * from ’·×’»»’µ¡’ÍÑ’¸ì where ’ʬ’Îà’¥³’¡¼’¥É like '_Z%';
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’ÍÑ’¸ì |’ʬ’Îà’¥³’¡¼’¥É|’È÷’¹Í1a’¤À’¤è
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------------------------------------+---------------+--------------
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’¥³’¥ó’¥Ô’¥å’¡¼’¥¿’¥×’¥í’¥°’¥é’¥Þ’¡¼|’¿ÍZ01’²¼ |
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select * from ’·×’»»’µ¡’ÍÑ’¸ì where ’ʬ’Îà’¥³’¡¼’¥É like '_Z%';
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’ÍÑ’¸ì | ’ʬ’Îà’¥³’¡¼’¥É | ’È÷’¹Í1a’¤À’¤è
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--------------------------------------+-----------------+----------------
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’¥³’¥ó’¥Ô’¥å’¡¼’¥¿’¥×’¥í’¥°’¥é’¥Þ’¡¼ | ’¿ÍZ01’²¼ |
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(1 row)
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QUERY: select * from ’·×’»»’µ¡’ÍÑ’¸ì where ’ÍÑ’¸ì ~ '’¥³’¥ó’¥Ô’¥å’¡¼’¥¿[’¥Ç’¥°]';
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’ÍÑ’¸ì |’ʬ’Îà’¥³’¡¼’¥É|’È÷’¹Í1a’¤À’¤è
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---------------------------------------+---------------+--------------
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’¥³’¥ó’¥Ô’¥å’¡¼’¥¿’¥Ç’¥£’¥¹’¥×’¥ì’¥¤ |’µ¡A01’¾å |
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’¥³’¥ó’¥Ô’¥å’¡¼’¥¿’¥°’¥é’¥Õ’¥£’¥Ã’¥¯’¥¹|’ʬB10’Ãæ |
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select * from ’·×’»»’µ¡’ÍÑ’¸ì where ’ÍÑ’¸ì ~ '’¥³’¥ó’¥Ô’¥å’¡¼’¥¿[’¥Ç’¥°]';
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’ÍÑ’¸ì | ’ʬ’Îà’¥³’¡¼’¥É | ’È÷’¹Í1a’¤À’¤è
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-----------------------------------------+-----------------+----------------
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’¥³’¥ó’¥Ô’¥å’¡¼’¥¿’¥Ç’¥£’¥¹’¥×’¥ì’¥¤ | ’µ¡A01’¾å |
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’¥³’¥ó’¥Ô’¥å’¡¼’¥¿’¥°’¥é’¥Õ’¥£’¥Ã’¥¯’¥¹ | ’ʬB10’Ãæ |
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(2 rows)
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QUERY: select * from ’·×’»»’µ¡’ÍÑ’¸ì where ’ÍÑ’¸ì ~* '’¥³’¥ó’¥Ô’¥å’¡¼’¥¿[’¥Ç’¥°]';
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’ÍÑ’¸ì |’ʬ’Îà’¥³’¡¼’¥É|’È÷’¹Í1a’¤À’¤è
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---------------------------------------+---------------+--------------
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’¥³’¥ó’¥Ô’¥å’¡¼’¥¿’¥Ç’¥£’¥¹’¥×’¥ì’¥¤ |’µ¡A01’¾å |
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’¥³’¥ó’¥Ô’¥å’¡¼’¥¿’¥°’¥é’¥Õ’¥£’¥Ã’¥¯’¥¹|’ʬB10’Ãæ |
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select * from ’·×’»»’µ¡’ÍÑ’¸ì where ’ÍÑ’¸ì ~* '’¥³’¥ó’¥Ô’¥å’¡¼’¥¿[’¥Ç’¥°]';
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’ÍÑ’¸ì | ’ʬ’Îà’¥³’¡¼’¥É | ’È÷’¹Í1a’¤À’¤è
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-----------------------------------------+-----------------+----------------
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’¥³’¥ó’¥Ô’¥å’¡¼’¥¿’¥Ç’¥£’¥¹’¥×’¥ì’¥¤ | ’µ¡A01’¾å |
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’¥³’¥ó’¥Ô’¥å’¡¼’¥¿’¥°’¥é’¥Õ’¥£’¥Ã’¥¯’¥¹ | ’ʬB10’Ãæ |
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(2 rows)
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QUERY: select *,character_length(’ÍÑ’¸ì) from ’·×’»»’µ¡’ÍÑ’¸ì;
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’ÍÑ’¸ì |’ʬ’Îà’¥³’¡¼’¥É|’È÷’¹Í1a’¤À’¤è|length
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---------------------------------------+---------------+--------------+------
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’¥³’¥ó’¥Ô’¥å’¡¼’¥¿’¥Ç’¥£’¥¹’¥×’¥ì’¥¤ |’µ¡A01’¾å | | 12
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’¥³’¥ó’¥Ô’¥å’¡¼’¥¿’¥°’¥é’¥Õ’¥£’¥Ã’¥¯’¥¹|’ʬB10’Ãæ | | 13
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’¥³’¥ó’¥Ô’¥å’¡¼’¥¿’¥×’¥í’¥°’¥é’¥Þ’¡¼ |’¿ÍZ01’²¼ | | 12
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select *,character_length(’ÍÑ’¸ì) from ’·×’»»’µ¡’ÍÑ’¸ì;
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’ÍÑ’¸ì | ’ʬ’Îà’¥³’¡¼’¥É | ’È÷’¹Í1a’¤À’¤è | char_length
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-----------------------------------------+-----------------+----------------+-------------
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’¥³’¥ó’¥Ô’¥å’¡¼’¥¿’¥Ç’¥£’¥¹’¥×’¥ì’¥¤ | ’µ¡A01’¾å | | 12
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’¥³’¥ó’¥Ô’¥å’¡¼’¥¿’¥°’¥é’¥Õ’¥£’¥Ã’¥¯’¥¹ | ’ʬB10’Ãæ | | 13
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’¥³’¥ó’¥Ô’¥å’¡¼’¥¿’¥×’¥í’¥°’¥é’¥Þ’¡¼ | ’¿ÍZ01’²¼ | | 12
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(3 rows)
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QUERY: select *,octet_length(’ÍÑ’¸ì) from ’·×’»»’µ¡’ÍÑ’¸ì;
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’ÍÑ’¸ì |’ʬ’Îà’¥³’¡¼’¥É|’È÷’¹Í1a’¤À’¤è|octet_length
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---------------------------------------+---------------+--------------+------------
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’¥³’¥ó’¥Ô’¥å’¡¼’¥¿’¥Ç’¥£’¥¹’¥×’¥ì’¥¤ |’µ¡A01’¾å | | 36
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’¥³’¥ó’¥Ô’¥å’¡¼’¥¿’¥°’¥é’¥Õ’¥£’¥Ã’¥¯’¥¹|’ʬB10’Ãæ | | 39
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’¥³’¥ó’¥Ô’¥å’¡¼’¥¿’¥×’¥í’¥°’¥é’¥Þ’¡¼ |’¿ÍZ01’²¼ | | 36
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select *,octet_length(’ÍÑ’¸ì) from ’·×’»»’µ¡’ÍÑ’¸ì;
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’ÍÑ’¸ì | ’ʬ’Îà’¥³’¡¼’¥É | ’È÷’¹Í1a’¤À’¤è | octet_length
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-----------------------------------------+-----------------+----------------+--------------
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’¥³’¥ó’¥Ô’¥å’¡¼’¥¿’¥Ç’¥£’¥¹’¥×’¥ì’¥¤ | ’µ¡A01’¾å | | 36
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’¥³’¥ó’¥Ô’¥å’¡¼’¥¿’¥°’¥é’¥Õ’¥£’¥Ã’¥¯’¥¹ | ’ʬB10’Ãæ | | 39
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’¥³’¥ó’¥Ô’¥å’¡¼’¥¿’¥×’¥í’¥°’¥é’¥Þ’¡¼ | ’¿ÍZ01’²¼ | | 36
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(3 rows)
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QUERY: select *,position('’¥Ç' in ’ÍÑ’¸ì) from ’·×’»»’µ¡’ÍÑ’¸ì;
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’ÍÑ’¸ì |’ʬ’Îà’¥³’¡¼’¥É|’È÷’¹Í1a’¤À’¤è|strpos
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---------------------------------------+---------------+--------------+------
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’¥³’¥ó’¥Ô’¥å’¡¼’¥¿’¥Ç’¥£’¥¹’¥×’¥ì’¥¤ |’µ¡A01’¾å | | 7
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’¥³’¥ó’¥Ô’¥å’¡¼’¥¿’¥°’¥é’¥Õ’¥£’¥Ã’¥¯’¥¹|’ʬB10’Ãæ | | 0
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’¥³’¥ó’¥Ô’¥å’¡¼’¥¿’¥×’¥í’¥°’¥é’¥Þ’¡¼ |’¿ÍZ01’²¼ | | 0
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select *,position('’¥Ç' in ’ÍÑ’¸ì) from ’·×’»»’µ¡’ÍÑ’¸ì;
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’ÍÑ’¸ì | ’ʬ’Îà’¥³’¡¼’¥É | ’È÷’¹Í1a’¤À’¤è | strpos
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-----------------------------------------+-----------------+----------------+--------
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’¥³’¥ó’¥Ô’¥å’¡¼’¥¿’¥Ç’¥£’¥¹’¥×’¥ì’¥¤ | ’µ¡A01’¾å | | 7
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’¥³’¥ó’¥Ô’¥å’¡¼’¥¿’¥°’¥é’¥Õ’¥£’¥Ã’¥¯’¥¹ | ’ʬB10’Ãæ | | 0
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’¥³’¥ó’¥Ô’¥å’¡¼’¥¿’¥×’¥í’¥°’¥é’¥Þ’¡¼ | ’¿ÍZ01’²¼ | | 0
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(3 rows)
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QUERY: select *,substring(’ÍÑ’¸ì from 10 for 4) from ’·×’»»’µ¡’ÍÑ’¸ì;
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’ÍÑ’¸ì |’ʬ’Îà’¥³’¡¼’¥É|’È÷’¹Í1a’¤À’¤è|substr
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---------------------------------------+---------------+--------------+------------
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’¥³’¥ó’¥Ô’¥å’¡¼’¥¿’¥Ç’¥£’¥¹’¥×’¥ì’¥¤ |’µ¡A01’¾å | |’¥×’¥ì’¥¤
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’¥³’¥ó’¥Ô’¥å’¡¼’¥¿’¥°’¥é’¥Õ’¥£’¥Ã’¥¯’¥¹|’ʬB10’Ãæ | |’¥£’¥Ã’¥¯’¥¹
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’¥³’¥ó’¥Ô’¥å’¡¼’¥¿’¥×’¥í’¥°’¥é’¥Þ’¡¼ |’¿ÍZ01’²¼ | |’¥é’¥Þ’¡¼
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select *,substring(’ÍÑ’¸ì from 10 for 4) from ’·×’»»’µ¡’ÍÑ’¸ì;
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’ÍÑ’¸ì | ’ʬ’Îà’¥³’¡¼’¥É | ’È÷’¹Í1a’¤À’¤è | substr
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-----------------------------------------+-----------------+----------------+--------------
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’¥³’¥ó’¥Ô’¥å’¡¼’¥¿’¥Ç’¥£’¥¹’¥×’¥ì’¥¤ | ’µ¡A01’¾å | | ’¥×’¥ì’¥¤
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’¥³’¥ó’¥Ô’¥å’¡¼’¥¿’¥°’¥é’¥Õ’¥£’¥Ã’¥¯’¥¹ | ’ʬB10’Ãæ | | ’¥£’¥Ã’¥¯’¥¹
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’¥³’¥ó’¥Ô’¥å’¡¼’¥¿’¥×’¥í’¥°’¥é’¥Þ’¡¼ | ’¿ÍZ01’²¼ | | ’¥é’¥Þ’¡¼
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(3 rows)
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QUERY: drop table ‘¼Æ‘Ëã‘»ú‘Êõ‘Óï;
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drop table ‘¼Æ‘Ëã‘»ú‘Êõ‘Óï;
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ERROR: Relation '‘ĽĆ‘Ëă‘»ú‘Ęő‘Óď' does not exist
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||||
QUERY: create table ‘¼Æ‘Ëã‘»ú‘Êõ‘Óï(‘Êõ‘Óï text, ‘·Ö‘Àà‘ºÅ varchar, ‘±¸‘×¢1A char(16));
|
||||
QUERY: create index ‘¼Æ‘Ëã‘»ú‘Êõ‘Óïindex1 on ‘¼Æ‘Ëã‘»ú‘Êõ‘Óï using btree(‘Êõ‘Óï);
|
||||
QUERY: create index ‘¼Æ‘Ëã‘»ú‘Êõ‘Óïindex2 on ‘¼Æ‘Ëã‘»ú‘Êõ‘Óï using btree(‘·Ö‘Àà‘ºÅ);
|
||||
QUERY: insert into ‘¼Æ‘Ëã‘»ú‘Êõ‘Óï values('‘µç‘ÄÔ‘Ïԑʾ‘ÆÁ','‘»úA01‘ÉÏ');
|
||||
QUERY: insert into ‘¼Æ‘Ëã‘»ú‘Êõ‘Óï values('‘µç‘Äԑͼ‘ÐÎ','‘·ÖB01‘ÖÐ');
|
||||
QUERY: insert into ‘¼Æ‘Ëã‘»ú‘Êõ‘Óï values('‘µç‘ÄÔ‘³Ì‘Ðò‘Ô±','‘ÈËZ01‘ÏÂ');
|
||||
QUERY: vacuum ‘¼Æ‘Ëã‘»ú‘Êõ‘Óï;
|
||||
QUERY: select * from ‘¼Æ‘Ëã‘»ú‘Êõ‘Óï;
|
||||
‘Êõ‘Óï |‘·Ö‘Àà‘ºÅ|‘±¸‘×¢1a
|
||||
---------------+---------+--------
|
||||
‘µç‘ÄÔ‘Ïԑʾ‘ÆÁ|‘»úA01‘ÉÏ|
|
||||
‘µç‘Äԑͼ‘ÐÎ |‘·ÖB01‘ÖÐ|
|
||||
‘µç‘ÄÔ‘³Ì‘Ðò‘Ô±|‘ÈËZ01‘ÏÂ|
|
||||
create table ‘¼Æ‘Ëã‘»ú‘Êõ‘Óï(‘Êõ‘Óï text, ‘·Ö‘Àà‘ºÅ varchar, ‘±¸‘×¢1A char(16));
|
||||
create index ‘¼Æ‘Ëã‘»ú‘Êõ‘Óïindex1 on ‘¼Æ‘Ëã‘»ú‘Êõ‘Óï using btree(‘Êõ‘Óï);
|
||||
create index ‘¼Æ‘Ëã‘»ú‘Êõ‘Óïindex2 on ‘¼Æ‘Ëã‘»ú‘Êõ‘Óï using btree(‘·Ö‘Àà‘ºÅ);
|
||||
insert into ‘¼Æ‘Ëã‘»ú‘Êõ‘Óï values('‘µç‘ÄÔ‘Ïԑʾ‘ÆÁ','‘»úA01‘ÉÏ');
|
||||
insert into ‘¼Æ‘Ëã‘»ú‘Êõ‘Óï values('‘µç‘Äԑͼ‘ÐÎ','‘·ÖB01‘ÖÐ');
|
||||
insert into ‘¼Æ‘Ëã‘»ú‘Êõ‘Óï values('‘µç‘ÄÔ‘³Ì‘Ðò‘Ô±','‘ÈËZ01‘ÏÂ');
|
||||
vacuum ‘¼Æ‘Ëã‘»ú‘Êõ‘Óï;
|
||||
select * from ‘¼Æ‘Ëã‘»ú‘Êõ‘Óï;
|
||||
‘Êõ‘Óï | ‘·Ö‘Àà‘ºÅ | ‘±¸‘×¢1a
|
||||
-----------------+-----------+----------
|
||||
‘µç‘ÄÔ‘Ïԑʾ‘ÆÁ | ‘»úA01‘ÉÏ |
|
||||
‘µç‘Äԑͼ‘ÐÎ | ‘·ÖB01‘ÖÐ |
|
||||
‘µç‘ÄÔ‘³Ì‘Ðò‘Ô± | ‘ÈËZ01‘Ï |
|
||||
(3 rows)
|
||||
|
||||
QUERY: select * from ‘¼Æ‘Ëã‘»ú‘Êõ‘Óï where ‘·Ö‘Àà‘ºÅ = '‘ÈËZ01‘ÏÂ';
|
||||
‘Êõ‘Óï |‘·Ö‘Àà‘ºÅ|‘±¸‘×¢1a
|
||||
---------------+---------+--------
|
||||
‘µç‘ÄÔ‘³Ì‘Ðò‘Ô±|‘ÈËZ01‘ÏÂ|
|
||||
select * from ‘¼Æ‘Ëã‘»ú‘Êõ‘Óï where ‘·Ö‘Àà‘ºÅ = '‘ÈËZ01‘ÏÂ';
|
||||
‘Êõ‘Óï | ‘·Ö‘Àà‘ºÅ | ‘±¸‘×¢1a
|
||||
-----------------+-----------+----------
|
||||
‘µç‘ÄÔ‘³Ì‘Ðò‘Ô± | ‘ÈËZ01‘Ï |
|
||||
(1 row)
|
||||
|
||||
QUERY: select * from ‘¼Æ‘Ëã‘»ú‘Êõ‘Óï where ‘·Ö‘Àà‘ºÅ ~* '‘ÈËz01‘ÏÂ';
|
||||
‘Êõ‘Óï |‘·Ö‘Àà‘ºÅ|‘±¸‘×¢1a
|
||||
---------------+---------+--------
|
||||
‘µç‘ÄÔ‘³Ì‘Ðò‘Ô±|‘ÈËZ01‘ÏÂ|
|
||||
select * from ‘¼Æ‘Ëã‘»ú‘Êõ‘Óï where ‘·Ö‘Àà‘ºÅ ~* '‘ÈËz01‘ÏÂ';
|
||||
‘Êõ‘Óï | ‘·Ö‘Àà‘ºÅ | ‘±¸‘×¢1a
|
||||
-----------------+-----------+----------
|
||||
‘µç‘ÄÔ‘³Ì‘Ðò‘Ô± | ‘ÈËZ01‘Ï |
|
||||
(1 row)
|
||||
|
||||
QUERY: select * from ‘¼Æ‘Ëã‘»ú‘Êõ‘Óï where ‘·Ö‘Àà‘ºÅ like '_Z01_';
|
||||
‘Êõ‘Óï |‘·Ö‘Àà‘ºÅ|‘±¸‘×¢1a
|
||||
---------------+---------+--------
|
||||
‘µç‘ÄÔ‘³Ì‘Ðò‘Ô±|‘ÈËZ01‘ÏÂ|
|
||||
select * from ‘¼Æ‘Ëã‘»ú‘Êõ‘Óï where ‘·Ö‘Àà‘ºÅ like '_Z01_';
|
||||
‘Êõ‘Óï | ‘·Ö‘Àà‘ºÅ | ‘±¸‘×¢1a
|
||||
-----------------+-----------+----------
|
||||
‘µç‘ÄÔ‘³Ì‘Ðò‘Ô± | ‘ÈËZ01‘Ï |
|
||||
(1 row)
|
||||
|
||||
QUERY: select * from ‘¼Æ‘Ëã‘»ú‘Êõ‘Óï where ‘·Ö‘Àà‘ºÅ like '_Z%';
|
||||
‘Êõ‘Óï |‘·Ö‘Àà‘ºÅ|‘±¸‘×¢1a
|
||||
---------------+---------+--------
|
||||
‘µç‘ÄÔ‘³Ì‘Ðò‘Ô±|‘ÈËZ01‘ÏÂ|
|
||||
select * from ‘¼Æ‘Ëã‘»ú‘Êõ‘Óï where ‘·Ö‘Àà‘ºÅ like '_Z%';
|
||||
‘Êõ‘Óï | ‘·Ö‘Àà‘ºÅ | ‘±¸‘×¢1a
|
||||
-----------------+-----------+----------
|
||||
‘µç‘ÄÔ‘³Ì‘Ðò‘Ô± | ‘ÈËZ01‘Ï |
|
||||
(1 row)
|
||||
|
||||
QUERY: select * from ‘¼Æ‘Ëã‘»ú‘Êõ‘Óï where ‘Êõ‘Óï ~ '‘µç‘ÄÔ[‘Ïԑͼ]';
|
||||
‘Êõ‘Óï |‘·Ö‘Àà‘ºÅ|‘±¸‘×¢1a
|
||||
---------------+---------+--------
|
||||
‘µç‘ÄÔ‘Ïԑʾ‘ÆÁ|‘»úA01‘ÉÏ|
|
||||
‘µç‘Äԑͼ‘ÐÎ |‘·ÖB01‘ÖÐ|
|
||||
select * from ‘¼Æ‘Ëã‘»ú‘Êõ‘Óï where ‘Êõ‘Óï ~ '‘µç‘ÄÔ[‘Ïԑͼ]';
|
||||
‘Êõ‘Óï | ‘·Ö‘Àà‘ºÅ | ‘±¸‘×¢1a
|
||||
-----------------+-----------+----------
|
||||
‘µç‘ÄÔ‘Ïԑʾ‘ÆÁ | ‘»úA01‘ÉÏ |
|
||||
‘µç‘Äԑͼ‘ÐÎ | ‘·ÖB01‘ÖÐ |
|
||||
(2 rows)
|
||||
|
||||
QUERY: select * from ‘¼Æ‘Ëã‘»ú‘Êõ‘Óï where ‘Êõ‘Óï ~* '‘µç‘ÄÔ[‘Ïԑͼ]';
|
||||
‘Êõ‘Óï |‘·Ö‘Àà‘ºÅ|‘±¸‘×¢1a
|
||||
---------------+---------+--------
|
||||
‘µç‘ÄÔ‘Ïԑʾ‘ÆÁ|‘»úA01‘ÉÏ|
|
||||
‘µç‘Äԑͼ‘ÐÎ |‘·ÖB01‘ÖÐ|
|
||||
select * from ‘¼Æ‘Ëã‘»ú‘Êõ‘Óï where ‘Êõ‘Óï ~* '‘µç‘ÄÔ[‘Ïԑͼ]';
|
||||
‘Êõ‘Óï | ‘·Ö‘Àà‘ºÅ | ‘±¸‘×¢1a
|
||||
-----------------+-----------+----------
|
||||
‘µç‘ÄÔ‘Ïԑʾ‘ÆÁ | ‘»úA01‘ÉÏ |
|
||||
‘µç‘Äԑͼ‘ÐÎ | ‘·ÖB01‘ÖÐ |
|
||||
(2 rows)
|
||||
|
||||
QUERY: select *,character_length(‘Êõ‘Óï) from ‘¼Æ‘Ëã‘»ú‘Êõ‘Óï;
|
||||
‘Êõ‘Óï |‘·Ö‘Àà‘ºÅ|‘±¸‘×¢1a|length
|
||||
---------------+---------+--------+------
|
||||
‘µç‘ÄÔ‘Ïԑʾ‘ÆÁ|‘»úA01‘ÉÏ| | 5
|
||||
‘µç‘Äԑͼ‘ÐÎ |‘·ÖB01‘ÖÐ| | 4
|
||||
‘µç‘ÄÔ‘³Ì‘Ðò‘Ô±|‘ÈËZ01‘ÏÂ| | 5
|
||||
select *,character_length(‘Êõ‘Óï) from ‘¼Æ‘Ëã‘»ú‘Êõ‘Óï;
|
||||
‘Êõ‘Óï | ‘·Ö‘Àà‘ºÅ | ‘±¸‘×¢1a | char_length
|
||||
-----------------+-----------+----------+-------------
|
||||
‘µç‘ÄÔ‘Ïԑʾ‘ÆÁ | ‘»úA01‘ÉÏ | | 5
|
||||
‘µç‘Äԑͼ‘ÐÎ | ‘·ÖB01‘ÖÐ | | 4
|
||||
‘µç‘ÄÔ‘³Ì‘Ðò‘Ô± | ‘ÈËZ01‘Ï | | 5
|
||||
(3 rows)
|
||||
|
||||
QUERY: select *,octet_length(‘Êõ‘Óï) from ‘¼Æ‘Ëã‘»ú‘Êõ‘Óï;
|
||||
‘Êõ‘Óï |‘·Ö‘Àà‘ºÅ|‘±¸‘×¢1a|octet_length
|
||||
---------------+---------+--------+------------
|
||||
‘µç‘ÄÔ‘Ïԑʾ‘ÆÁ|‘»úA01‘ÉÏ| | 15
|
||||
‘µç‘Äԑͼ‘ÐÎ |‘·ÖB01‘ÖÐ| | 12
|
||||
‘µç‘ÄÔ‘³Ì‘Ðò‘Ô±|‘ÈËZ01‘ÏÂ| | 15
|
||||
select *,octet_length(‘Êõ‘Óï) from ‘¼Æ‘Ëã‘»ú‘Êõ‘Óï;
|
||||
‘Êõ‘Óï | ‘·Ö‘Àà‘ºÅ | ‘±¸‘×¢1a | octet_length
|
||||
-----------------+-----------+----------+--------------
|
||||
‘µç‘ÄÔ‘Ïԑʾ‘ÆÁ | ‘»úA01‘ÉÏ | | 15
|
||||
‘µç‘Äԑͼ‘ÐÎ | ‘·ÖB01‘ÖÐ | | 12
|
||||
‘µç‘ÄÔ‘³Ì‘Ðò‘Ô± | ‘ÈËZ01‘Ï | | 15
|
||||
(3 rows)
|
||||
|
||||
QUERY: select *,position('‘ÏÔ' in ‘Êõ‘Óï) from ‘¼Æ‘Ëã‘»ú‘Êõ‘Óï;
|
||||
‘Êõ‘Óï |‘·Ö‘Àà‘ºÅ|‘±¸‘×¢1a|strpos
|
||||
---------------+---------+--------+------
|
||||
‘µç‘ÄÔ‘Ïԑʾ‘ÆÁ|‘»úA01‘ÉÏ| | 3
|
||||
‘µç‘Äԑͼ‘ÐÎ |‘·ÖB01‘ÖÐ| | 0
|
||||
‘µç‘ÄÔ‘³Ì‘Ðò‘Ô±|‘ÈËZ01‘ÏÂ| | 0
|
||||
select *,position('‘ÏÔ' in ‘Êõ‘Óï) from ‘¼Æ‘Ëã‘»ú‘Êõ‘Óï;
|
||||
‘Êõ‘Óï | ‘·Ö‘Àà‘ºÅ | ‘±¸‘×¢1a | strpos
|
||||
-----------------+-----------+----------+--------
|
||||
‘µç‘ÄÔ‘Ïԑʾ‘ÆÁ | ‘»úA01‘ÉÏ | | 3
|
||||
‘µç‘Äԑͼ‘ÐÎ | ‘·ÖB01‘ÖÐ | | 0
|
||||
‘µç‘ÄÔ‘³Ì‘Ðò‘Ô± | ‘ÈËZ01‘Ï | | 0
|
||||
(3 rows)
|
||||
|
||||
QUERY: select *,substring(‘Êõ‘Óï from 3 for 4) from ‘¼Æ‘Ëã‘»ú‘Êõ‘Óï;
|
||||
‘Êõ‘Óï |‘·Ö‘Àà‘ºÅ|‘±¸‘×¢1a|substr
|
||||
---------------+---------+--------+---------
|
||||
‘µç‘ÄÔ‘Ïԑʾ‘ÆÁ|‘»úA01‘ÉÏ| |‘Ïԑʾ‘ÆÁ
|
||||
‘µç‘Äԑͼ‘ÐÎ |‘·ÖB01‘ÖÐ| |‘ͼ‘ÐÎ
|
||||
‘µç‘ÄÔ‘³Ì‘Ðò‘Ô±|‘ÈËZ01‘ÏÂ| |‘³Ì‘Ðò‘Ô±
|
||||
select *,substring(‘Êõ‘Óï from 3 for 4) from ‘¼Æ‘Ëã‘»ú‘Êõ‘Óï;
|
||||
‘Êõ‘Óï | ‘·Ö‘Àà‘ºÅ | ‘±¸‘×¢1a | substr
|
||||
-----------------+-----------+----------+-----------
|
||||
‘µç‘ÄÔ‘Ïԑʾ‘ÆÁ | ‘»úA01‘ÉÏ | | ‘Ïԑʾ‘ÆÁ
|
||||
‘µç‘Äԑͼ‘ÐÎ | ‘·ÖB01‘ÖÐ | | ‘ͼ‘ÐÎ
|
||||
‘µç‘ÄÔ‘³Ì‘Ðò‘Ô± | ‘ÈËZ01‘Ï | | ‘³Ì‘Ðò‘Ô±
|
||||
(3 rows)
|
||||
|
||||
QUERY: drop table “ͪ“ß©“Ѧ“¿ë“¾î;
|
||||
drop table “ͪ“ß©“Ѧ“¿ë“¾î;
|
||||
ERROR: Relation '“ÍŞ“ß©“Ѧ“żë“ľî' does not exist
|
||||
QUERY: create table “ͪ“ß©“Ѧ“¿ë“¾î (“¿ë“¾î text, “Ý“׾“ÄÚ“µå varchar, “ºñ“°í1A“¶ó“±¸ char(16));
|
||||
QUERY: create index “ͪ“ß©“Ѧ“¿ë“¾îindex1 on “ͪ“ß©“Ѧ“¿ë“¾î using btree (“¿ë“¾î);
|
||||
QUERY: create index “ͪ“ß©“Ѧ“¿ë“¾îindex2 on “ͪ“ß©“Ѧ“¿ë“¾î using hash (“Ý“׾“ÄÚ“µå);
|
||||
QUERY: insert into “ͪ“ß©“Ѧ“¿ë“¾î values('“ÄÄ“Ç»“ÅÍ“µð“½º“ÇÓ·¹“ÀÌ', '“ѦA01“ß¾');
|
||||
QUERY: insert into “ͪ“ß©“Ѧ“¿ë“¾î values('“ÄÄ“Ç»“ÅÍ“±×“·¡“ÇÈ“½º', '“ÝÂB10“ñé');
|
||||
QUERY: insert into “ͪ“ß©“Ѧ“¿ë“¾î values('“ÄÄ“Ç»“ÅÍ“ÇÁ“·Î“±×“·¡“¸Ó', '“ìÑZ01“ù»');
|
||||
QUERY: vacuum “ͪ“ß©“Ѧ“¿ë“¾î;
|
||||
QUERY: select * from “ͪ“ß©“Ѧ“¿ë“¾î;
|
||||
“¿ë“¾î |“Ý“׾“ÄÚ“µå|“ºñ“°í1a“¶ó“±¸
|
||||
------------------------+------------+--------------
|
||||
“ÄÄ“Ç»“ÅÍ“µð“½º“ÇÓ·¹“ÀÌ|“ѦA01“ß¾ |
|
||||
“ÄÄ“Ç»“ÅÍ“±×“·¡“ÇÈ“½º |“ÝÂB10“ñé |
|
||||
“ÄÄ“Ç»“ÅÍ“ÇÁ“·Î“±×“·¡“¸Ó|“ìÑZ01“ù» |
|
||||
create table “ͪ“ß©“Ѧ“¿ë“¾î (“¿ë“¾î text, “Ý“׾“ÄÚ“µå varchar, “ºñ“°í1A“¶ó“±¸ char(16));
|
||||
create index “ͪ“ß©“Ѧ“¿ë“¾îindex1 on “ͪ“ß©“Ѧ“¿ë“¾î using btree (“¿ë“¾î);
|
||||
create index “ͪ“ß©“Ѧ“¿ë“¾îindex2 on “ͪ“ß©“Ѧ“¿ë“¾î using hash (“Ý“׾“ÄÚ“µå);
|
||||
insert into “ͪ“ß©“Ѧ“¿ë“¾î values('“ÄÄ“Ç»“ÅÍ“µð“½º“ÇÓ·¹“ÀÌ', '“ѦA01“ß¾');
|
||||
insert into “ͪ“ß©“Ѧ“¿ë“¾î values('“ÄÄ“Ç»“ÅÍ“±×“·¡“ÇÈ“½º', '“ÝÂB10“ñé');
|
||||
insert into “ͪ“ß©“Ѧ“¿ë“¾î values('“ÄÄ“Ç»“ÅÍ“ÇÁ“·Î“±×“·¡“¸Ó', '“ìÑZ01“ù»');
|
||||
vacuum “ͪ“ß©“Ѧ“¿ë“¾î;
|
||||
select * from “ͪ“ß©“Ѧ“¿ë“¾î;
|
||||
“¿ë“¾î | “Ý“׾“ÄÚ“µå | “ºñ“°í1a“¶ó“±¸
|
||||
--------------------------+--------------+----------------
|
||||
“ÄÄ“Ç»“ÅÍ“µð“½º“ÇÓ·¹“ÀÌ | “ѦA01“ß¾ |
|
||||
“ÄÄ“Ç»“ÅÍ“±×“·¡“ÇÈ“½º | “ÝÂB10“ñé |
|
||||
“ÄÄ“Ç»“ÅÍ“ÇÁ“·Î“±×“·¡“¸Ó | “ìÑZ01“ù» |
|
||||
(3 rows)
|
||||
|
||||
QUERY: select * from “ͪ“ß©“Ѧ“¿ë“¾î where “Ý“׾“ÄÚ“µå = '“ìÑZ01“ù»';
|
||||
“¿ë“¾î |“Ý“׾“ÄÚ“µå|“ºñ“°í1a“¶ó“±¸
|
||||
------------------------+------------+--------------
|
||||
“ÄÄ“Ç»“ÅÍ“ÇÁ“·Î“±×“·¡“¸Ó|“ìÑZ01“ù» |
|
||||
select * from “ͪ“ß©“Ѧ“¿ë“¾î where “Ý“׾“ÄÚ“µå = '“ìÑZ01“ù»';
|
||||
“¿ë“¾î | “Ý“׾“ÄÚ“µå | “ºñ“°í1a“¶ó“±¸
|
||||
--------------------------+--------------+----------------
|
||||
“ÄÄ“Ç»“ÅÍ“ÇÁ“·Î“±×“·¡“¸Ó | “ìÑZ01“ù» |
|
||||
(1 row)
|
||||
|
||||
QUERY: select * from “ͪ“ß©“Ѧ“¿ë“¾î where “Ý“׾“ÄÚ“µå ~* '“ìÑz01“ù»';
|
||||
“¿ë“¾î |“Ý“׾“ÄÚ“µå|“ºñ“°í1a“¶ó“±¸
|
||||
------------------------+------------+--------------
|
||||
“ÄÄ“Ç»“ÅÍ“ÇÁ“·Î“±×“·¡“¸Ó|“ìÑZ01“ù» |
|
||||
select * from “ͪ“ß©“Ѧ“¿ë“¾î where “Ý“׾“ÄÚ“µå ~* '“ìÑz01“ù»';
|
||||
“¿ë“¾î | “Ý“׾“ÄÚ“µå | “ºñ“°í1a“¶ó“±¸
|
||||
--------------------------+--------------+----------------
|
||||
“ÄÄ“Ç»“ÅÍ“ÇÁ“·Î“±×“·¡“¸Ó | “ìÑZ01“ù» |
|
||||
(1 row)
|
||||
|
||||
QUERY: select * from “ͪ“ß©“Ѧ“¿ë“¾î where “Ý“׾“ÄÚ“µå like '_Z01_';
|
||||
“¿ë“¾î |“Ý“׾“ÄÚ“µå|“ºñ“°í1a“¶ó“±¸
|
||||
------------------------+------------+--------------
|
||||
“ÄÄ“Ç»“ÅÍ“ÇÁ“·Î“±×“·¡“¸Ó|“ìÑZ01“ù» |
|
||||
select * from “ͪ“ß©“Ѧ“¿ë“¾î where “Ý“׾“ÄÚ“µå like '_Z01_';
|
||||
“¿ë“¾î | “Ý“׾“ÄÚ“µå | “ºñ“°í1a“¶ó“±¸
|
||||
--------------------------+--------------+----------------
|
||||
“ÄÄ“Ç»“ÅÍ“ÇÁ“·Î“±×“·¡“¸Ó | “ìÑZ01“ù» |
|
||||
(1 row)
|
||||
|
||||
QUERY: select * from “ͪ“ß©“Ѧ“¿ë“¾î where “Ý“׾“ÄÚ“µå like '_Z%';
|
||||
“¿ë“¾î |“Ý“׾“ÄÚ“µå|“ºñ“°í1a“¶ó“±¸
|
||||
------------------------+------------+--------------
|
||||
“ÄÄ“Ç»“ÅÍ“ÇÁ“·Î“±×“·¡“¸Ó|“ìÑZ01“ù» |
|
||||
select * from “ͪ“ß©“Ѧ“¿ë“¾î where “Ý“׾“ÄÚ“µå like '_Z%';
|
||||
“¿ë“¾î | “Ý“׾“ÄÚ“µå | “ºñ“°í1a“¶ó“±¸
|
||||
--------------------------+--------------+----------------
|
||||
“ÄÄ“Ç»“ÅÍ“ÇÁ“·Î“±×“·¡“¸Ó | “ìÑZ01“ù» |
|
||||
(1 row)
|
||||
|
||||
QUERY: select * from “ͪ“ß©“Ѧ“¿ë“¾î where “¿ë“¾î ~ '“ÄÄ“Ç»“ÅÍ[“µð“±×]';
|
||||
“¿ë“¾î |“Ý“׾“ÄÚ“µå|“ºñ“°í1a“¶ó“±¸
|
||||
------------------------+------------+--------------
|
||||
“ÄÄ“Ç»“ÅÍ“µð“½º“ÇÓ·¹“ÀÌ|“ѦA01“ß¾ |
|
||||
“ÄÄ“Ç»“ÅÍ“±×“·¡“ÇÈ“½º |“ÝÂB10“ñé |
|
||||
select * from “ͪ“ß©“Ѧ“¿ë“¾î where “¿ë“¾î ~ '“ÄÄ“Ç»“ÅÍ[“µð“±×]';
|
||||
“¿ë“¾î | “Ý“׾“ÄÚ“µå | “ºñ“°í1a“¶ó“±¸
|
||||
--------------------------+--------------+----------------
|
||||
“ÄÄ“Ç»“ÅÍ“µð“½º“ÇÓ·¹“ÀÌ | “ѦA01“ß¾ |
|
||||
“ÄÄ“Ç»“ÅÍ“±×“·¡“ÇÈ“½º | “ÝÂB10“ñé |
|
||||
(2 rows)
|
||||
|
||||
QUERY: select * from “ͪ“ß©“Ѧ“¿ë“¾î where “¿ë“¾î ~* '“ÄÄ“Ç»“ÅÍ[“µð“±×]';
|
||||
“¿ë“¾î |“Ý“׾“ÄÚ“µå|“ºñ“°í1a“¶ó“±¸
|
||||
------------------------+------------+--------------
|
||||
“ÄÄ“Ç»“ÅÍ“µð“½º“ÇÓ·¹“ÀÌ|“ѦA01“ß¾ |
|
||||
“ÄÄ“Ç»“ÅÍ“±×“·¡“ÇÈ“½º |“ÝÂB10“ñé |
|
||||
select * from “ͪ“ß©“Ѧ“¿ë“¾î where “¿ë“¾î ~* '“ÄÄ“Ç»“ÅÍ[“µð“±×]';
|
||||
“¿ë“¾î | “Ý“׾“ÄÚ“µå | “ºñ“°í1a“¶ó“±¸
|
||||
--------------------------+--------------+----------------
|
||||
“ÄÄ“Ç»“ÅÍ“µð“½º“ÇÓ·¹“ÀÌ | “ѦA01“ß¾ |
|
||||
“ÄÄ“Ç»“ÅÍ“±×“·¡“ÇÈ“½º | “ÝÂB10“ñé |
|
||||
(2 rows)
|
||||
|
||||
QUERY: select *,character_length(“¿ë“¾î) from “ͪ“ß©“Ѧ“¿ë“¾î;
|
||||
“¿ë“¾î |“Ý“׾“ÄÚ“µå|“ºñ“°í1a“¶ó“±¸|length
|
||||
------------------------+------------+--------------+------
|
||||
“ÄÄ“Ç»“ÅÍ“µð“½º“ÇÓ·¹“ÀÌ|“ѦA01“ß¾ | | 8
|
||||
“ÄÄ“Ç»“ÅÍ“±×“·¡“ÇÈ“½º |“ÝÂB10“ñé | | 7
|
||||
“ÄÄ“Ç»“ÅÍ“ÇÁ“·Î“±×“·¡“¸Ó|“ìÑZ01“ù» | | 8
|
||||
select *,character_length(“¿ë“¾î) from “ͪ“ß©“Ѧ“¿ë“¾î;
|
||||
“¿ë“¾î | “Ý“׾“ÄÚ“µå | “ºñ“°í1a“¶ó“±¸ | char_length
|
||||
--------------------------+--------------+----------------+-------------
|
||||
“ÄÄ“Ç»“ÅÍ“µð“½º“ÇÓ·¹“ÀÌ | “ѦA01“ß¾ | | 8
|
||||
“ÄÄ“Ç»“ÅÍ“±×“·¡“ÇÈ“½º | “ÝÂB10“ñé | | 7
|
||||
“ÄÄ“Ç»“ÅÍ“ÇÁ“·Î“±×“·¡“¸Ó | “ìÑZ01“ù» | | 8
|
||||
(3 rows)
|
||||
|
||||
QUERY: select *,octet_length(“¿ë“¾î) from “ͪ“ß©“Ѧ“¿ë“¾î;
|
||||
“¿ë“¾î |“Ý“׾“ÄÚ“µå|“ºñ“°í1a“¶ó“±¸|octet_length
|
||||
------------------------+------------+--------------+------------
|
||||
“ÄÄ“Ç»“ÅÍ“µð“½º“ÇÓ·¹“ÀÌ|“ѦA01“ß¾ | | 24
|
||||
“ÄÄ“Ç»“ÅÍ“±×“·¡“ÇÈ“½º |“ÝÂB10“ñé | | 21
|
||||
“ÄÄ“Ç»“ÅÍ“ÇÁ“·Î“±×“·¡“¸Ó|“ìÑZ01“ù» | | 24
|
||||
select *,octet_length(“¿ë“¾î) from “ͪ“ß©“Ѧ“¿ë“¾î;
|
||||
“¿ë“¾î | “Ý“׾“ÄÚ“µå | “ºñ“°í1a“¶ó“±¸ | octet_length
|
||||
--------------------------+--------------+----------------+--------------
|
||||
“ÄÄ“Ç»“ÅÍ“µð“½º“ÇÓ·¹“ÀÌ | “ѦA01“ß¾ | | 24
|
||||
“ÄÄ“Ç»“ÅÍ“±×“·¡“ÇÈ“½º | “ÝÂB10“ñé | | 21
|
||||
“ÄÄ“Ç»“ÅÍ“ÇÁ“·Î“±×“·¡“¸Ó | “ìÑZ01“ù» | | 24
|
||||
(3 rows)
|
||||
|
||||
QUERY: select *,position('“µð' in “¿ë“¾î) from “ͪ“ß©“Ѧ“¿ë“¾î;
|
||||
“¿ë“¾î |“Ý“׾“ÄÚ“µå|“ºñ“°í1a“¶ó“±¸|strpos
|
||||
------------------------+------------+--------------+------
|
||||
“ÄÄ“Ç»“ÅÍ“µð“½º“ÇÓ·¹“ÀÌ|“ѦA01“ß¾ | | 4
|
||||
“ÄÄ“Ç»“ÅÍ“±×“·¡“ÇÈ“½º |“ÝÂB10“ñé | | 0
|
||||
“ÄÄ“Ç»“ÅÍ“ÇÁ“·Î“±×“·¡“¸Ó|“ìÑZ01“ù» | | 0
|
||||
select *,position('“µð' in “¿ë“¾î) from “ͪ“ß©“Ѧ“¿ë“¾î;
|
||||
“¿ë“¾î | “Ý“׾“ÄÚ“µå | “ºñ“°í1a“¶ó“±¸ | strpos
|
||||
--------------------------+--------------+----------------+--------
|
||||
“ÄÄ“Ç»“ÅÍ“µð“½º“ÇÓ·¹“ÀÌ | “ѦA01“ß¾ | | 4
|
||||
“ÄÄ“Ç»“ÅÍ“±×“·¡“ÇÈ“½º | “ÝÂB10“ñé | | 0
|
||||
“ÄÄ“Ç»“ÅÍ“ÇÁ“·Î“±×“·¡“¸Ó | “ìÑZ01“ù» | | 0
|
||||
(3 rows)
|
||||
|
||||
QUERY: select *,substring(“¿ë“¾î from 3 for 4) from “ͪ“ß©“Ѧ“¿ë“¾î;
|
||||
“¿ë“¾î |“Ý“׾“ÄÚ“µå|“ºñ“°í1a“¶ó“±¸|substr
|
||||
------------------------+------------+--------------+------------
|
||||
“ÄÄ“Ç»“ÅÍ“µð“½º“ÇÓ·¹“ÀÌ|“ѦA01“ß¾ | |“ÅÍ“µð“½º“ÇÃ
|
||||
“ÄÄ“Ç»“ÅÍ“±×“·¡“ÇÈ“½º |“ÝÂB10“ñé | |“ÅÍ“±×“·¡“ÇÈ
|
||||
“ÄÄ“Ç»“ÅÍ“ÇÁ“·Î“±×“·¡“¸Ó|“ìÑZ01“ù» | |“ÅÍ“ÇÁ“·Î“±×
|
||||
select *,substring(“¿ë“¾î from 3 for 4) from “ͪ“ß©“Ѧ“¿ë“¾î;
|
||||
“¿ë“¾î | “Ý“׾“ÄÚ“µå | “ºñ“°í1a“¶ó“±¸ | substr
|
||||
--------------------------+--------------+----------------+--------------
|
||||
“ÄÄ“Ç»“ÅÍ“µð“½º“ÇÓ·¹“ÀÌ | “ѦA01“ß¾ | | “ÅÍ“µð“½º“ÇÃ
|
||||
“ÄÄ“Ç»“ÅÍ“±×“·¡“ÇÈ“½º | “ÝÂB10“ñé | | “ÅÍ“±×“·¡“ÇÈ
|
||||
“ÄÄ“Ç»“ÅÍ“ÇÁ“·Î“±×“·¡“¸Ó | “ìÑZ01“ù» | | “ÅÍ“ÇÁ“·Î“±×
|
||||
(3 rows)
|
||||
|
||||
QUERY: drop table test;
|
||||
drop table test;
|
||||
ERROR: Relation 'test' does not exist
|
||||
QUERY: create table test (t text);
|
||||
QUERY: insert into test values('ENGLISH');
|
||||
QUERY: insert into test values('FRAN<41>ÇAIS');
|
||||
QUERY: insert into test values('ESPA<50>ÑOL');
|
||||
QUERY: insert into test values('<27>ÍSLENSKA');
|
||||
QUERY: insert into test values('ENGLISH FRAN<41>ÇAIS ESPA<50>ÑOL <20>ÍSLENSKA');
|
||||
QUERY: vacuum test;
|
||||
QUERY: select * from test;
|
||||
t
|
||||
------------------------------------
|
||||
ENGLISH
|
||||
FRAN<EFBFBD>ÇAIS
|
||||
ESPA<EFBFBD>ÑOL
|
||||
<EFBFBD>ÍSLENSKA
|
||||
ENGLISH FRAN<41>ÇAIS ESPA<50>ÑOL <20>ÍSLENSKA
|
||||
create table test (t text);
|
||||
insert into test values('ENGLISH');
|
||||
insert into test values('FRAN<41>ÇAIS');
|
||||
insert into test values('ESPA<50>ÑOL');
|
||||
insert into test values('<27>ÍSLENSKA');
|
||||
insert into test values('ENGLISH FRAN<41>ÇAIS ESPA<50>ÑOL <20>ÍSLENSKA');
|
||||
vacuum test;
|
||||
select * from test;
|
||||
t
|
||||
--------------------------------------
|
||||
ENGLISH
|
||||
FRAN<EFBFBD>ÇAIS
|
||||
ESPA<EFBFBD>ÑOL
|
||||
<EFBFBD>ÍSLENSKA
|
||||
ENGLISH FRAN<41>ÇAIS ESPA<50>ÑOL <20>ÍSLENSKA
|
||||
(5 rows)
|
||||
|
||||
QUERY: select * from test where t = 'ESPA<50>ÑOL';
|
||||
t
|
||||
--------
|
||||
ESPA<EFBFBD>ÑOL
|
||||
select * from test where t = 'ESPA<50>ÑOL';
|
||||
t
|
||||
----------
|
||||
ESPA<EFBFBD>ÑOL
|
||||
(1 row)
|
||||
|
||||
QUERY: select * from test where t ~* 'espa<70>Ñol';
|
||||
t
|
||||
------------------------------------
|
||||
ESPA<EFBFBD>ÑOL
|
||||
ENGLISH FRAN<41>ÇAIS ESPA<50>ÑOL <20>ÍSLENSKA
|
||||
select * from test where t ~* 'espa<70>Ñol';
|
||||
t
|
||||
--------------------------------------
|
||||
ESPA<EFBFBD>ÑOL
|
||||
ENGLISH FRAN<41>ÇAIS ESPA<50>ÑOL <20>ÍSLENSKA
|
||||
(2 rows)
|
||||
|
||||
QUERY: select *,character_length(t) from test;
|
||||
t |length
|
||||
------------------------------------+------
|
||||
ENGLISH | 7
|
||||
FRAN<EFBFBD>ÇAIS | 8
|
||||
ESPA<EFBFBD>ÑOL | 7
|
||||
<EFBFBD>ÍSLENSKA | 8
|
||||
ENGLISH FRAN<41>ÇAIS ESPA<50>ÑOL <20>ÍSLENSKA| 33
|
||||
select *,character_length(t) from test;
|
||||
t | char_length
|
||||
--------------------------------------+-------------
|
||||
ENGLISH | 7
|
||||
FRAN<EFBFBD>ÇAIS | 8
|
||||
ESPA<EFBFBD>ÑOL | 7
|
||||
<EFBFBD>ÍSLENSKA | 8
|
||||
ENGLISH FRAN<41>ÇAIS ESPA<50>ÑOL <20>ÍSLENSKA | 33
|
||||
(5 rows)
|
||||
|
||||
QUERY: select *,octet_length(t) from test;
|
||||
t |octet_length
|
||||
------------------------------------+------------
|
||||
ENGLISH | 7
|
||||
FRAN<EFBFBD>ÇAIS | 9
|
||||
ESPA<EFBFBD>ÑOL | 8
|
||||
<EFBFBD>ÍSLENSKA | 9
|
||||
ENGLISH FRAN<41>ÇAIS ESPA<50>ÑOL <20>ÍSLENSKA| 36
|
||||
select *,octet_length(t) from test;
|
||||
t | octet_length
|
||||
--------------------------------------+--------------
|
||||
ENGLISH | 7
|
||||
FRAN<EFBFBD>ÇAIS | 9
|
||||
ESPA<EFBFBD>ÑOL | 8
|
||||
<EFBFBD>ÍSLENSKA | 9
|
||||
ENGLISH FRAN<41>ÇAIS ESPA<50>ÑOL <20>ÍSLENSKA | 36
|
||||
(5 rows)
|
||||
|
||||
QUERY: select *,position('L' in t) from test;
|
||||
t |strpos
|
||||
------------------------------------+------
|
||||
ENGLISH | 4
|
||||
FRAN<EFBFBD>ÇAIS | 0
|
||||
ESPA<EFBFBD>ÑOL | 7
|
||||
<EFBFBD>ÍSLENSKA | 3
|
||||
ENGLISH FRAN<41>ÇAIS ESPA<50>ÑOL <20>ÍSLENSKA| 4
|
||||
select *,position('L' in t) from test;
|
||||
t | strpos
|
||||
--------------------------------------+--------
|
||||
ENGLISH | 4
|
||||
FRAN<EFBFBD>ÇAIS | 0
|
||||
ESPA<EFBFBD>ÑOL | 7
|
||||
<EFBFBD>ÍSLENSKA | 3
|
||||
ENGLISH FRAN<41>ÇAIS ESPA<50>ÑOL <20>ÍSLENSKA | 4
|
||||
(5 rows)
|
||||
|
||||
QUERY: select *,substring(t from 3 for 4) from test;
|
||||
t |substr
|
||||
------------------------------------+------
|
||||
ENGLISH |GLIS
|
||||
FRAN<EFBFBD>ÇAIS |AN<41>ÇA
|
||||
ESPA<EFBFBD>ÑOL |PA<50>ÑO
|
||||
<EFBFBD>ÍSLENSKA |LENS
|
||||
ENGLISH FRAN<41>ÇAIS ESPA<50>ÑOL <20>ÍSLENSKA|GLIS
|
||||
select *,substring(t from 3 for 4) from test;
|
||||
t | substr
|
||||
--------------------------------------+--------
|
||||
ENGLISH | GLIS
|
||||
FRAN<EFBFBD>ÇAIS | AN<EFBFBD>ÇA
|
||||
ESPA<EFBFBD>ÑOL | PA<EFBFBD>ÑO
|
||||
<EFBFBD>ÍSLENSKA | LENS
|
||||
ENGLISH FRAN<41>ÇAIS ESPA<50>ÑOL <20>ÍSLENSKA | GLIS
|
||||
(5 rows)
|
||||
|
||||
|
@ -54,11 +54,11 @@ select * from computer_terms where term ~* 'computer [DG]';
|
||||
(2 rows)
|
||||
|
||||
select *,character_length(term) from computer_terms;
|
||||
term | category | comments | length
|
||||
---------------------+----------+------------------+--------
|
||||
computer display | X-A01-Y | a comment 1 | 16
|
||||
computer graphics | T-B01-Y | a comment 2 | 17
|
||||
computer programmer | S-Z01-Y | a comment 3 | 19
|
||||
term | category | comments | char_length
|
||||
---------------------+----------+------------------+-------------
|
||||
computer display | X-A01-Y | a comment 1 | 16
|
||||
computer graphics | T-B01-Y | a comment 2 | 17
|
||||
computer programmer | S-Z01-Y | a comment 3 | 19
|
||||
(3 rows)
|
||||
|
||||
select *,octet_length(term) from computer_terms;
|
||||
|
Loading…
x
Reference in New Issue
Block a user