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2026-03-12 21:01:38

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Valeriu PLESNILA
2026-03-12 22:01:38 +01:00
parent 3bd1db26cc
commit 26296b6d6a
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stats_history/stats_hist_01.txt Normal file
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create pluggable database NIHILUS admin user NIHILUS$OWNER identified by secret;
alter pluggable database NIHILUS open;
alter pluggable database NIHILUS save state;
alter session set container=NIHILUS;
create tablespace USERS datafile size 32M autoextend ON next 32M;
alter database default tablespace USERS;
create user adm identified by "secret";
grant sysdba to adm;
create user usr identified by "secret";
grant CONNECT,RESOURCE to usr;
grant alter session to usr;
alter user usr quota unlimited on USERS;
alias adm_NIHILUS='rlwrap sqlplus adm/"secret"@bakura:1521/NIHILUS as sysdba'
alias usr_NIHILUS='rlwrap sqlplus usr/"secret"@bakura:1521/NIHILUS'
create table USR.T1 as select * from dba_extents;
create index USR.IDX_T1_BLOCKS on USR.T1(blocks);
exec dbms_stats.gather_table_stats('USR','T1', method_opt=>'for all columns size AUTO');
insert into USR.T1 select * from USR.T1;
commit;
exec dbms_stats.gather_table_stats('USR','T1', method_opt=>'for all columns size AUTO');
insert into USR.T1 select * from USR.T1;
insert into USR.T1 select * from USR.T1;
insert into USR.T1 select * from USR.T1;
commit;
exec dbms_stats.gather_table_stats('USR','T1', method_opt=>'for all columns size AUTO');
insert into USR.T1 select * from USR.T1;
insert into USR.T1 select * from USR.T1;
insert into USR.T1 select * from USR.T1;
insert into USR.T1 select * from USR.T1;
insert into USR.T1 select * from USR.T1;
commit;
exec dbms_stats.gather_table_stats('USR','T1', method_opt=>'for all columns size AUTO');
-- @stats_history.sql USR <owner> <object_name> <partition_name> <object_type>
-- stats history for table and index
@stats_history.sql USR T1 % %
@stats_history.sql USR IDX_T1_BLOCKS % INDEX
-- display gather stats operations and details
@stats_opls.sql sysdate-1/24 sysdate BASIC TEXT
@stats_opdet.sql 1083 TYPICAL
-- see also Metalink note: How to View Table Statistics History (Doc ID 761554.1)