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See the oldest statistics history available SQL> SELECT DBMS_STATS.GET_STATS_HISTORY_AVAILABILITY FROM DUAL; GET_STATS_HISTORY_AVAILABILITY ————————————————————————— 25-OCT-11 10.00.55.093000000 PM -07:00 See the stats… READ MORE
Shows in this scenrio there are backup of stats that exists for SCOTT.TEST table SQL> select * FROM DBA_TAB_STATS_HISTORY where… READ MORE
To view output from 10053 using the following link one can download software which allows one to review the output… READ MORE
Ran into following issue were accidentally the datafile was removed before dropping the tablespace. If not fixed this can cause… READ MORE
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# Displays information of all volume group, in the following example vb_TESTDB_data1 is one of the oracle filesystem /home/oracle $… READ MORE
On AIX – nmon on AIX can be used to monitoring a machine (CPU, Memory, Network traffic, I/O, top processes,… READ MORE
The following article by Cary Milsap talks about “Why a 99%+ Database Buffer Cache Hit Ratio is Not Ok” by… READ MORE
RMAN command to create level 0 backup which is needed before running of incremental backup RMAN> BACKUP INCREMENTAL LEVEL 0… READ MORE
Below are the steps on how to add a new online redo-group. It could be of the same size as… READ MORE
We had an issue the other day when one of the Sharepoint database logs became extremely large as the server… READ MORE
If for some reason the online redo log were lost or when cloning the copy of shutdown database you don’t… READ MORE
-- Step 1) set up environment variables needed (ORACLE_HOME, ORACLE_SID and add ORACLE_HOME\bin to PATH) set ORACLE_HOME=e:\oracle\11g\product\11.2.0.1 set PATH=%ORACLE_HOME%\bin;%PATH% set… READ MORE
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To create a baseline of performance of the system, one create a baseline and used for later comparisons. If a… READ MORE
-- drop snapshot, it will not generate an error if the snap id is out of range SQL> EXEC dbms_workload_repository.drop_snapshot_range(low_snap_id=>1,… READ MORE
“Control what I can control”
~ Alex Lima
Alex Lima 