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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Explain an ORA-01555
How can you tell how much space is left on a given file system and how much space each of the file system's subdirectories take-up?
You have just compiled a PL/SQL package but got errors, how would you view the errors?
What is dbcc? : sql server DBA
how to restore files with rman?
What is RAID and what are different types of RAID configurations?
by issuing "alter tablespace begin backup;" what happens to tablespace?
What background process refreshes materialized views?
2 Answers Accenture, FLSmidth,
one datafile is lost in standy side how can you recover that??
what is the last version,the release date of that version and fix pack of ibm db2 udb?
what is the difference between catalog & nocatalog?
how do we explain a project in cognos in an interview? please help me. Also how do we perform testing in cognos after creating reports?
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