write a query to get desired out from sql tables

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1.00/5 (3 votes)

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SQL-Server-2008R2

http://stackoverflow.com/questions/25033601/write-a-query-to-get-desired-sql-table-output[^] click on the link to get the tables and desired output. This question is asked by a company at technical exam. I could not given answer. Please tell me how can i get the solution.

Posted 30-Jul-14 0:29am

ankur15

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Thanks7872 30-Jul-14 6:38am

And we are not here to solve puzzles.

ankur15 30-Jul-14 6:54am

I know we are not here to solve puzzles but here to resolve problems and this is also one problem and technical also.

Thanks7872 30-Jul-14 6:57am

We help those who have some issue with the code they have implemented themself. Your question is more like home work. We are not here to help you prepare for interview.

Maciej Los 31-Jul-14 6:45am

There you have got your answer (using CTE)!

2 solutions

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Gauri Chodanker · Answer 1 · 2014-07-30T05:07:00

Solution 2

SQL

SELECT
M.EMPID
,CASE WHEN M.ID = 1 THEN TA.NAME
      WHEN M.ID = 2 THEN TB.NAME
      WHEN M.ID = 3 THEN TC.NAME
      WHEN M.ID = 4 THEN TD.NAME
FROM
MASTER M
LEFT JOIN TABLEA  TA ON TA.EMPID = M.EMPID
LEFT JOIN TABLEB  TA ON TB.EMPID = M.EMPID
LEFT JOIN TABLEB  TC ON TC.EMPID = M.EMPID
LEFT JOIN TABLEB  TD ON TD.EMPID = M.EMPID

Posted 30-Jul-14 5:07am

Gauri Chodanker

Comments

Maciej Los 31-Jul-14 6:38am

Looks good, +5!

OriginalGriff · Answer 2 · 2014-07-30T01:03:00

We are not here to "do your homework" - and if you can't even be bothered to post the actual question here for us, why should we be bothered to help you either?

If you can't answer, then that tells the company a lot about you. If we answer, that tells the company a lot about us: but it's you that gets the job, not us, and it's us that can do the work, not you.

Try it yourself: it's not exactly complicated!