mirror of https://github.com/postgres/postgres
Update FAQ.
This commit is contained in:
parent
46712990bd
commit
657d0044b0
10
doc/FAQ
10
doc/FAQ
|
@ -1,7 +1,7 @@
|
|||
|
||||
Frequently Asked Questions (FAQ) for PostgreSQL
|
||||
|
||||
Last updated: Fri Oct 12 23:53:35 EDT 2001
|
||||
Last updated: Sat Oct 13 01:26:55 EDT 2001
|
||||
|
||||
Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us)
|
||||
|
||||
|
@ -791,10 +791,10 @@ BYTEA bytea variable-length byte array (null-safe)
|
|||
by TOAST, so the space on disk might also be less than expected.
|
||||
|
||||
CHAR() is best when storing strings that are usually the same length.
|
||||
VARCHAR() is best when storing variable-length strings, but you want
|
||||
to limit how long a string can be. TEXT is for strings of unlimited
|
||||
length, maximum 1 gigabyte. BYTEA is for storing binary data,
|
||||
particularly values that include NULL bytes.
|
||||
VARCHAR() is best when storing variable-length strings but it limits
|
||||
how long a string can be. TEXT is for strings of unlimited length,
|
||||
maximum 1 gigabyte. BYTEA is for storing binary data, particularly
|
||||
values that include NULL bytes.
|
||||
|
||||
4.16.1) How do I create a serial/auto-incrementing field?
|
||||
|
||||
|
|
|
@ -12,7 +12,7 @@
|
|||
alink="#0000FF">
|
||||
<H1>Frequently Asked Questions (FAQ) for PostgreSQL</H1>
|
||||
|
||||
<P>Last updated: Fri Oct 12 23:53:35 EDT 2001</P>
|
||||
<P>Last updated: Sat Oct 13 01:26:55 EDT 2001</P>
|
||||
|
||||
<P>Current maintainer: Bruce Momjian (<A href=
|
||||
"mailto:pgman@candle.pha.pa.us">pgman@candle.pha.pa.us</A>)<BR>
|
||||
|
@ -1003,11 +1003,13 @@ BYTEA bytea variable-length byte array (null-safe)
|
|||
stored out-of-line by <SMALL>TOAST</SMALL>, so the space on disk
|
||||
might also be less than expected.</P>
|
||||
|
||||
<P>CHAR() is best when storing strings that are usually the
|
||||
same length. VARCHAR() is best when storing variable-length strings,
|
||||
but you want to limit how long a string can be. TEXT is for strings
|
||||
of unlimited length, maximum 1 gigabyte. BYTEA is for storing
|
||||
binary data, particularly values that include NULL bytes.</P>
|
||||
<P><SMALL>CHAR()</SMALL> is best when storing strings that are
|
||||
usually the same length. <SMALL>VARCHAR()</SMALL> is best when
|
||||
storing variable-length strings but it limits how long a
|
||||
string can be. <SMALL>TEXT</SMALL> is for strings of unlimited
|
||||
length, maximum 1 gigabyte. <SMALL>BYTEA</SMALL> is for storing
|
||||
binary data, particularly values that include <SMALL>NULL</SMALL>
|
||||
bytes.</P>
|
||||
|
||||
<H4><A name="4.16.1">4.16.1</A>) How do I create a
|
||||
serial/auto-incrementing field?</H4>
|
||||
|
|
Loading…
Reference in New Issue