Hello, Using Ole's DBBench, localhost, rtInternet the results: ----------------------------------------------- Powerful SQL Product Native ZLib Implementation: ----------------------------------------------- [Create Test Tables] Table1, 10704 records, created in 94,191 sec Table2, 10131 records, created in 89,081 sec Table3, 18 records, created in 0,168 sec Table4, 1448 records, created in 12,878 sec Table5, 23 records, created in 0,208 sec Table6, 573 records, created in 4,743 sec Table7, 0 records, created in 0,034 sec Test tables, 22897 records, created in 201,303 sec [Live Insert Test] 10000 records inserted in 39,164 sec. Average insert speed: 255 records per sec. [SQL Insert Test] 10000 records inserted in 16,111 sec. Average insert speed: 621 records per sec. [SQL Update Test] 20000 records updated in 6,804 sec. Average update speed: 2939 records per sec. [SQL Delete Test] 20000 records deleted in 4,177 sec. Average delete speed: 4788 records per sec. ---------------------------------------------------------- Powerful SQL Product with Roberto's ZLib Improvements (P6) ---------------------------------------------------------- [Create Test Tables] Table1, 10704 records, created in 76,046 sec Table2, 10131 records, created in 69,889 sec Table3, 18 records, created in 0,168 sec Table4, 1448 records, created in 11,654 sec Table5, 23 records, created in 0,211 sec Table6, 573 records, created in 4,478 sec Table7, 0 records, created in 0,056 sec Test tables, 22897 records, created in 162,502 sec [Live Insert Test] 10000 records inserted in 28,032 sec. Average insert speed: 357 records per sec. [SQL Insert Test] 10000 records inserted in 14,908 sec. Average insert speed: 671 records per sec. [SQL Update Test] 20000 records updated in 6,396 sec. Average update speed: 3127 records per sec. [SQL Delete Test] 20000 records deleted in 4,161 sec. Average delete speed: 4807 records per sec. -- Haralabos Michael