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 SQL query from v$session can you run to show how many sessions are logged in as a particular user account?
How would you go about increasing the buffer cache hit ratio?
wat is global index and local indes
how can you enable flashback feature?
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currently iam working in mnc as a oracleappsdba,please send the EXPERIENCE RESUME those who r worked as a oracle apps dba
Database is hung. Old and new user connections alike hang on impact. What do you do? Your SYS SQLPLUS session IS able to connect.
How does Oracle guarantee data integrity of data changes?
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You have just compiled a PL/SQL package but got errors, how would you view the errors?