Trainee Engineer Interview Questions

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query for 2nd highest salary of emp in SQL. asked about group by and having and give ex. what is DDL,DML,DCL..and some more basic ques. WAP to swap 2 no without using third variable and even not by +,- operator. Permutation of string program. then asked puzzle.one of the puzzle was lakhan problem.1 ,2 ka 4 aur 4,2 ka 1.make a function which satisfy this.i didn't able to solve.
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Software Engineer Trainee

Interviewed at Subex

3.6
Aug 22, 2016

query for 2nd highest salary of emp in SQL. asked about group by and having and give ex. what is DDL,DML,DCL..and some more basic ques. WAP to swap 2 no without using third variable and even not by +,- operator. Permutation of string program. then asked puzzle.one of the puzzle was lakhan problem.1 ,2 ka 4 aur 4,2 ka 1.make a function which satisfy this.i didn't able to solve.

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