RDBMS | Data Maintenance | Index Maintenance |
SQL Server | Run Daily as per scheduled time. | Run Daily along with Data Maintenance if auto_index=yes |
Oracle | Run Daily as per scheduled time. | Run Daily along with Data Maintenance if auto_index=yes |
MySQL | Run Daily as per scheduled time. | No Index Maintenance |
RDBMS | Data maintenance | Index maintenance | Comments |
---|---|---|---|
SQL Server | Runs Daily as per schedule. |
Recommended to run Index Maintenance during maintenance window once in a month or conditionally when the database performance degrades( on need basis). Datamaintenance job can be triggered directly from probe utility by selecting data_engine probe → Ctrl+P → select run_admin_now from drop down list → send command request. Please make sure auto_reindex=yes, table_maintenance_loglevel=5 and loglevel=5 in data_engine.cfg file before triggering from probe utility to validate the duration it took to complete. | |
Oracle | Runs Daily as per schedule. |
Recommended to run Index Maintenance during maintenance window once in a month or conditionally when the database performance degrades( on need basis). Datamaintenance job directly can be triggered from probe utility by selecting data_engine probe → Ctrl+P → select run_admin_now from drop down list → send command request. Please make sure auto_reindex=yes, table_maintenance_loglevel=5 and loglevel=5 in data_engine.cfg file before triggering from probe utility to validate the duration it took to complete. |
Oracle recommended to perform Index Maintenace during Maintenance Windows to avoid blocking or locks as per Oracle Doc ID 1476083.1: Resolving Issues Where Lock Contention for 'enq: TM-contention' Wait Event (TM Enqueue Contention) Occurs during ANALYZE INDEX VALIDATE STRUCTURE
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MySQL | Runs Daily as per schedule. | No Index maintenance |