SQLTUNE - tuning - statistics - performance
SQL-TUNE is a tuning utility to optimize DB2 request based on indexes. to get best DB2 performance on application, SQLTUNE executes statistics collect to point out request with poor performance to improve & optimize. Access path is displayed by sqltune depending on existing indexes on tables on DB2 for VM & VSE. sqltune allows request modification & simulation to optimize indexes access and verify access path, by INDEX, dbspace scan, table scan... help in programmer analysis by simulation to optimize request