how to calculate the difference between two dates? : Sql dba

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What is over () in sql?

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Is sql a microsoft product?

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What is the requirement of self-join?

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use of IN/ANY/ALL

5 Answers   Ramco,

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What do you understand by pl/sql packages?

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How show all rows in sql?

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What is ttitle and btitle?

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4. Select sum(A.salary) +sum(B.salary) as TOT_SAL from ( select LEVEL emp_id,level*100 salary,case when mod (level,2)=0then 2 else null end dept_id from dual connect by level<6 )A right outer join (select level emp_id ,level*200 salary ,case when mod (level,3)=0 then 2 else null end dept_id from dual connect by level<6)B On A.dept_id=B.dept_id And A.emp_id=B.emp-id;

1 Answers   Fintellix,

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how would you get the current date in mysql? : Sql dba

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Authentication mechanisms in Sql Server ?

1 Answers   BirlaSoft,

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What is pls integer?

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