As an Oracle DBA this is the most important interview question and at any time you may face an issue where you need to find out the size...
Schema and Non-Schema Objects in Oracle Database
Oracle database contains schema objects like views, tables, triggers etc., and several other types of objects which are also stored in the...
How To Find DBID in NOMOUNT State
Oracle Database identifier in short DBID is an internal, unique identifier for an Oracle database. Database administrator must note down the...
How To Check Alert Log File in Oracle 11g
Each database has an alert log file, which contains a chronological(sequential order in which they occurred) log of database messages and errors....
How to Make a File Write Protected in Linux
In Linux there is an additional file attribute which prevent files and folders from being deleted accidentally. Flag which make a file write/delete...
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