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IT Interview Question Answer Discussion >> URGENT ... iFlex Interview question for Oracle...
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URGENT ... iFlex Interview question for Oracle
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AJProfessionals
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Posted: Thursday 07, August 2008 06:33:07 AM
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Hi...All
Please post Oracle interview question and answer
for iFlex, its URGENT. 
--AJ
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| Coder | Posted: Sunday 17, August 2008 06:14:18 AM | | Explain the difference between a hot backup and a cold backup a
nd the benefits associated with each.
You have just had to restore from backup and do not have any co
ntrol files. How would you go about bringing up this database?
How do you switch from an init.ora file to a spfile?
Explain the difference between a data block, an extent and a se
gment.
Give two examples of how you might determine the structure of t
he table DEPT.
Where would you look for errors from the database engine?
Give the reasoning behind using an index.
Give the two types of tables involved in producing a star schem
a and the type of data they hold.
What type of index should you use on a fact table?
Give two examples of referential integrity constraints.
A table is classified as a parent table and you want to drop an
d re-create it. How would you do this without affecting the chi
ldren tables?
Explain the difference between ARCHIVELOG mode and NOARCHIVELOG
mode and the benefits and disadvantages to each.
What command would you use to create a backup control file?
Give the stages of instance startup to a usable state where nor
mal users may access it.
What column differentiates the V$ views to the GV$ views and ho
w?
How would you go about generating an EXPLAIN plan?
Explain an ORA-01555
Explain the difference between $ORACLE_HOME and $ORACLE_BASE.
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ALL THE BEST 
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| Riya Walia | Posted: Saturday 24, October 2009 05:14:57 PM | | Nice collection, Please post some more Oracle
Interview Qusetion for TCS, WIPRO.
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