analyze table compute statistics : Analyze « SQL Plus « Oracle PL / SQL

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Oracle PL / SQL » SQL Plus » Analyze   analyze table compute statistics   SQL> SQL> set serveroutput on SQL> set echo on SQL> SQL> create table t ( x int, y int NOT NULL ); Table created. SQL> create unique index t_idx on t(x,y); Index created. SQL> insert into t values ( 1, 1 ); 1 row created. SQL> insert into t values ( NULL, 1 ); 1 row created. SQL> analyze table t compute statistics; Table analyzed. SQL> set autotrace on SQL> drop table t; Table dropped. SQL> SQL> set autotrace off SQL> --   Related examples in the same category 1.  analyze materialized view 2.  analyze index 3.  Analyze table with primary key and foreign key 4.  Demonstrate IN versus EXISTS performance 5.  analyze table tableName compute statistics for table, for all indexes, for all indexed columns; 6.  ANALYZE TABLE employee COMPUTE STATISTICS 7.  analyze index validate structure 8.  analyze table compute statistics for all indexes 9.  analyze table compute statistics for a table with two indexes 10.  create or replace outline and analyze table compute statistics 11.  Analyze a table with/without index

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