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IBM SQL PLSQL Interview Questions
Questions Answers Views Company eMail

What is Referential Integrity?

3 10103

what is the difference between union and union all

14 38392

What are nested triggers ?

6 26846

how to check the 3rd max salary from an employee table?

22 24947

how to retrive only second row from table?

31 38572

what is a cursor

9 11258

which will fire first ? Trigger or Constraint

24 38395

How to improve the performance of a pl/sq stored procedures or functions or triggers and packages ?

11 20397

how to find the second highest salary from emp table?

210 282173

wht is the difference between sqlaserver2000 and 2005

1 4529

what is the difference between the query and corelated query

8 14587

How many database objects (trigger, packages, sequence etc) uses a particular field in a given table. For ex: I want to know how many database object uses the ATTRIBUTE1 in the PO_VENDORS table. What query will give me the result showing the database object name(package, trigger etc), field_name used (in this case ATTRIBUTE1) and table_name (in this case PO_VENDORS).

2 6751

suppose I have two table one Emp and other is dpt. Emp table has a field ,dept id,name ,sal and dpt table has a field dept id,dept name. Now I want to find out the emplyee list whose sal is between 2000-3000 from dept x.

7 9626

What does “select count(*) from tab” result?

15 19898

What does “select count(1) from tab” result?

9 15915

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IBM SQL PLSQL Interview Questions

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