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%