Rename Oracle database username
No, this is not available till now in Oracle and has been noted down as a enhancement request. Still here is a workaround way of doing that: Do a user-level export of user A create new user B import...
View ArticleOracle Hidden Parameters
Oracle initialization or INIT.ORA parameters with an underscore in front are hidden or unsupported parameters. One can get a list of all hidden parameters by executing this query: SELECT * FROM...
View ArticleOracle server uptime
The following query works well with Oracle 9i. i’ve no clue whether this works with others too or not. SELECT TO_CHAR (startup_time, 'DD-MON-YYYY HH24:MI:SS') "DB Startup Time" FROM SYS.v_$instance;...
View ArticleFinding locked objects in Oracle
If you’re wondering why particular query or procedure is talking a long such a long time to run; then make sure you check out whether the object you’re accessing is locked or not. There are quite a...
View ArticleFinding free/used temporary table space in Oracle
If you’re a freak who work around with Oracle as backend, you would face the sitution where the oracle temporary space would be exhausted. The usage temporary tablespace can’t be found out exactly...
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