SAP Note 892296 - Enhancements in update statistics in BRCONNECT 7.00/7.10

Component : Database Administration with Oracle -

Solution : https://service.sap.com/sap/support/notes/892296 (SAP Service marketplace login required)

Summary :
SAP Note Update: In BRCONNECT 7.00, SAP introduces significant enhancements to optimizer statistics collection, specifically incorporating Oracle 10g DBMS_STATS package capabilities. Key enhancements include the addition of auto-sampling, histograms, index validation, and expanded force options offering finer control over statistical methods and bucket sizes. These improvements facilitate tailored, automated statistical updates, improving database performance. Adhering to recommended use guidelines and understanding configurations are essential for effective implementation. For detailed parameter options, refer to the enriched syntax structure and consider consulting respective Oracle documentation for comprehensive understanding.

Key words :
sql> connect sap<sid>/<pwd>sql> insert, auto-sample size + histograms + validation2, analysis method - dbms_stats auto-sampling----------------------------------------------------------------, bucket sizes - dbms_stats size option-----------------------------------------------------------------, 'd' - default oracle degreeno -, auto-sample size + validation, statistical change threshold values, lower statistical change threshold, - reduce column statistics update, oracle 10g dbms_stats package

Related Notes :

1060305Corrections in BR*Tools Version 7.10
849483Corrections for BR*Tools Version 7.00
618868FAQ: Oracle performance
588668FAQ: Database statistics
424239New BRCONNECT parameter: stats_dbms_stats
408532Using the DBMS_STATS package for collecting statistics