dba_ind_statistics

How Often Do You Collect Statistics In Teradata?

by

How Often Do You Collect Statistics In Teradata? Teradata recommends always collecting full-table statistics on a regular basis unless you specify USING clause sampling or threshold options. In this case, the Optimizer determines whether a request to recollect statistics for a column or index set should be honored. Why do we use collect stats in

What Is Oracle Stat Collection?

by

What Is Oracle Stat Collection? About Optimizer Statistics Collection. In Oracle Database, optimizer statistics collection is the gathering of optimizer statistics for database objects, including fixed objects. The database can collect optimizer statistics automatically. You can also collect them manually using the DBMS_STATS package. What is the use of statistics in Oracle? 13.4 System Statistics