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  1. Categories >> Software >> Databases >> SQL PLSQL
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What does pl sql developer do?

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More SQL PLSQL Interview Questions

What are the advantages of VIEW?

5 Answers  

What is Data Concarency and Consistency?

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Explain unique key in sql.

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what is oracle database ? : Sql dba

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Does view contain data?

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What are different types of queries in sql?

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What is triggering circuit?

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Hi, Can anybody please explain me the flow of the below query. I am not able to understand how this query works. This query is for finding the Nth highest salary.. SELECT DISTINCT (a.sal) FROM EMP A WHERE &N = (SELECT COUNT (DISTINCT (b.sal)) FROM EMP B WHERE a.sal<=b.sal); If N = 2 then second highest salary will be the o/p. If N = 3 then third highest salary will be the o/p. and so on.. Thanks, Nitin

5 Answers   Deloitte, Ness Technologies,

What will be the output of this Query? select to_char(trunc(add_months(sysdate-3),mm),mm/dd/yyyy) from dual

6 Answers   Cap Gemini, TCS,

How can you fetch common records from two tables?

0 Answers  

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