Explain various types of locks in a transaction? Which is better and why?
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What is relational database with example?
Differentiate between unique key and foreign key?
What is a sequence? Explain it with one example?
define primary key index, bitmap index, hash index,virtual indwx
What is lagging in DBMS ?
can any one tell me how i can start database testing mean what should be initial point and how i can write a query for listing page of any item thanks in advance
What is a Database?
I have single column in a file. Input 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15 my output is file 1 have 1,2,3,10,11,12 file 2 have 4,5,6,13,14,15 and file 3 have 7,8,9 how is it possible in datastage
What is ole db in ssis?
Explain database partitioning.
Explain entity type?
Under which circumstance should you create an index on a table?
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