WebJun 3, 2024 · 1 Answer. Sorted by: 1. You might want to look at the GRANULARITY parameter of DBMS_STATS.GATHER_TABLE_STATS. By default, statistics are … http://www.dba-oracle.com/t_dbms_stats_gather_table_stats.htm
Implications of dbms_stats.gather_schema_stats - Ask TOM - Oracle
WebFeb 27, 2008 · Gather statistics on the indexes as well. Index statistics gathering is not parallelized. Using this option is equivalent to running the GATHER_INDEX_STATS Procedure on each of the indexes in the database in addition to gathering table and column statistics. Use the constant DBMS_STATS.AUTO_CASCADE to have Oracle … WebNov 23, 2024 · History of Cascade. Alara Reborn was the first set to introduce the cascade mechanic back in 2009, and boy was it a set. Not only was it the only set to be 100% … sydney world pride
DBMS_STATS and MONITORING - Ask TOM
WebOct 10, 2024 · DBMS_STATS.GATHER_TABLE_STATS is what gathers the statistics that allow Oracle to make this determination. It tells Oracle that there are roughly 1 million rows in the table, that there are 3 distinct values for the issue_status column, and that the data is unevenly distributed. So Oracle knows to use an index for the query to find all the ... WebSep 17, 2010 · The old fashioned " analyze table " and dbms_utility methods for generating CBO statistics are obsolete and somewhat dangerous to SQL performance. This is because the cost-based SQL Optimizer (CBO) relies on the quality of the statistics to choose the best execution plan for all SQL statements. The dbms_stats utility does a far … WebJun 24, 2024 · DBMS_STATS package was introduced in Oracle 8i and used to gather Database,table,Schema,dictionary and fixed object statistic in Oracle database. Statistic … sydney world pride 2023 theme