Hi ! Suppose one database with 4 tables : S1, B1, B2 and B3, where S1 (small 1) has < 100 records, and B1, B2, and B3 (big tables) has > 100,000 records each. Them entire database has +- 400 MegaBytes. These records are inserted in ramdom order : S1, B1, B1, B1, B3, B2, B1, B1 ... etc, so I think the database will become 'fragmented'. The SQL : SELECT * FROM S1 will read all 400 megabytes to find the 100 records ? (and became slow on a older computer) Or the Sqlite is smart enough to seek only the sectors of database and find all records as quik as if where only these table on database ? Is better to use another database to S1 only ? I Want to find these records as fast as possible ... The VACUUM 'desfragment' the database ? (make a copy of all tables in sequence) ? If so, After a VACUUM the speed of SELECT * FROM S1 will be faster than before the vacuum ? (since all records of S1 will be one right after another and sqlite has not to scan all 400 Megabytes)
Obs: using version 3.03 Thanks Rubens Jr.
