How do I count duplicates in sql?

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define primary key & secondary key?

2 Answers  

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How many commands are there in sql?

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What is a full join?

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How do I run sql profiler?

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Can we write ddl statements in functions?

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What are the steps you take to tune(performance tuning) the code in plsql?

4 Answers   Cap Gemini, Infosys, TCS,

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Is left join inner or outer?

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What is difference between pl and sql?

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I am creating an index on Emp table Empno column,if u using this indexed column in ur SELECT stmt. where clause,then how do u know that yr index will be working or nor? Thanks Advance...

3 Answers  

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how i do the database testing of online money transactions between two parties (client and organization). suppose our company makes a website for our client and give a extra feature of online money transaction with there clients then how i test this feature in database testing

1 Answers  

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Define commit, rollback and savepoint?

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