What is the cache hit ratio, what impact does it have on
performance of an Oracle database and what is involved in
tuning it?
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what is the difference between off-line back up and on-line back up in ibm db2 udb?
how do see how much space is used and free in a tablespace
How do you find out from the RMAN catalog if a particular archive log has been backed-up?
can u plz tell me what r the mandatory skills for getting job as a sql dba......plz send me all details thank you my id :k.mohann.mohan@gmail.com
What are the different types of indexes available in sql server? : sql server DBA
What are the different types of database compression introduced in sql server 2008? : sql server DBA
what is a user-defined lock?
How can you rebuild an index?
How will u copy the objects of one schema to another schema in datapump & export/import?
Which dictionary view(s) would you first look at to understand or get a high-level idea of a given Advanced Replication environment?
Explain the difference between $ORACLE_HOME and $ORACLE_BASE.
WHEN DOWN TIME WHAT CAN U DO?