122 lines
3.3 KiB
Plaintext
122 lines
3.3 KiB
Plaintext
An SQLite (version 1.0) database was used in a large military application
|
|
where the database contained 105 tables and indices. The following is
|
|
a breakdown on the sizes of keys and data within these tables and indices:
|
|
|
|
Entries: 967089
|
|
Size: 45896104
|
|
Avg Size: 48
|
|
Key Size: 11112265
|
|
Avg Key Size: 12
|
|
Max Key Size: 99
|
|
|
|
0..8 263 0%
|
|
9..12 5560 0%
|
|
13..16 71394 7%
|
|
17..24 180717 26%
|
|
25..32 215442 48%
|
|
33..40 151118 64%
|
|
41..48 77479 72%
|
|
49..56 13983 74%
|
|
57..64 14481 75%
|
|
65..80 41342 79%
|
|
81..96 127098 92%
|
|
97..112 38054 96%
|
|
113..128 14197 98%
|
|
129..144 8208 99%
|
|
145..160 3326 99%
|
|
161..176 1242 99%
|
|
177..192 604 99%
|
|
193..208 222 99%
|
|
209..224 213 99%
|
|
225..240 132 99%
|
|
241..256 58 99%
|
|
257..288 515 99%
|
|
289..320 64 99%
|
|
321..352 39 99%
|
|
353..384 44 99%
|
|
385..416 25 99%
|
|
417..448 24 99%
|
|
449..480 26 99%
|
|
481..512 27 99%
|
|
513..1024 470 99%
|
|
1025..2048 396 99%
|
|
2049..4096 187 99%
|
|
4097..8192 78 99%
|
|
8193..16384 35 99%
|
|
16385..32768 17 99%
|
|
32769..65536 6 99%
|
|
65537..65541 3 100%
|
|
|
|
If the indices are omitted, the statistics for the 49 tables
|
|
become the following:
|
|
|
|
Entries: 451103
|
|
Size: 30930282
|
|
Avg Size: 69
|
|
Key Size: 1804412
|
|
Avg Key Size: 4
|
|
Max Key Size: 4
|
|
|
|
0..24 89 0%
|
|
25..32 9417 2%
|
|
33..40 119162 28%
|
|
41..48 68710 43%
|
|
49..56 9539 45%
|
|
57..64 12435 48%
|
|
65..80 38650 57%
|
|
81..96 126877 85%
|
|
97..112 38030 93%
|
|
113..128 14183 96%
|
|
129..144 7668 98%
|
|
145..160 3302 99%
|
|
161..176 1238 99%
|
|
177..192 597 99%
|
|
193..208 217 99%
|
|
209..224 211 99%
|
|
225..240 130 99%
|
|
241..256 57 99%
|
|
257..288 100 99%
|
|
289..320 62 99%
|
|
321..352 34 99%
|
|
353..384 43 99%
|
|
385..416 24 99%
|
|
417..448 24 99%
|
|
449..480 25 99%
|
|
481..512 27 99%
|
|
513..1024 153 99%
|
|
1025..2048 92 99%
|
|
2049..4096 7 100%
|
|
|
|
The 56 indices have these statistics:
|
|
|
|
Entries: 512422
|
|
Size: 14879828
|
|
Avg Size: 30
|
|
Key Size: 9253204
|
|
Avg Key Size: 19
|
|
Max Key Size: 99
|
|
|
|
0..8 246 0%
|
|
9..12 5486 1%
|
|
13..16 70717 14%
|
|
17..24 178246 49%
|
|
25..32 205722 89%
|
|
33..40 31951 96%
|
|
41..48 8768 97%
|
|
49..56 4444 98%
|
|
57..64 2046 99%
|
|
65..80 2691 99%
|
|
81..96 202 99%
|
|
97..112 11 99%
|
|
113..144 527 99%
|
|
145..160 20 99%
|
|
161..288 406 99%
|
|
289..1024 316 99%
|
|
1025..2048 304 99%
|
|
2049..4096 180 99%
|
|
4097..8192 78 99%
|
|
8193..16384 35 99%
|
|
16385..32768 17 99%
|
|
32769..65536 6 99%
|
|
65537..65541 3 100%
|