How to get the statistics of a table in Oracle?
Create a Oracle Database - Statistics - stattab (Statistics Table) BEGIN DBMS_STATS.CREATE_STAT_TABLE(NULL,'tables_prefs'); DBMS_STATS.EXPORT_TABLE_PREFS('SH', 'SALES',stattab => 'STAT'); END; / You compare the table statistics with the following diff_table_stats table function: (ie you get also the column statistics )
Does Oracle Database 10g automatically collect statistics?
In fact, Oracle 10g automatically collects database statistics every night out of the box. Later you will want to investigate some of the Oracle Database 10g statistics gathering options such as histograms, and granularity.
What is real-time statistics in Oracle Database 19c?
Real-Time Statistics in Oracle Database 19c Oracle database 19c introduced real-time statistics to reduce the chances that stale statistics will adversely affect optimizer decisions when generating execution plans. Oracle database 12.1 introduced online statistics gathering for bulk loads.
What is DBMS_STATS in Oracle 8i?
I will explain dbms_stats.gather_table_stats tips in Oracle in this post. DBMS_STATS package was introduced in Oracle 8i and used to gather Database,table,Schema,dictionary and fixed object statistic in Oracle database. Statistic of objects should be up to date in Oracle database for Oracle optimizer.