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IBM SQL PLSQL Interview Questions
Questions Answers Views Company eMail

What is Referential Integrity?

3 9079

what is the difference between union and union all

14 35955

What are nested triggers ?

6 24562

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

22 21762

how to retrive only second row from table?

31 34376





what is a cursor

9 9774

which will fire first ? Trigger or Constraint

24 34070

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

11 18025

how to find the second highest salary from emp table?

209 257931

wht is the difference between sqlaserver2000 and 2005

1 4085

what is the difference between the query and corelated query

8 12747

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 6053

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 8354

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

15 16545

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

9 14238

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IBM SQL PLSQL Interview Questions





Un-Answered Questions

How is the buffer used in amazon web services?

1


Did bill gates invent excel?

1


I have applied for the post of Section Engineer. plz anyone send me the previous question paper. i did my engineering in Information Technology.

941


Can we maintain user session in web services?

26


Why is the suction pipe of vapor compression and refrigeration system insulated?

36






What is hibernate caching? Explain hibernate first level cache?

1


Why Governor Limits are introduced in Salesforce.com?

3


What are the transport schemas supported by wcf?

20


Write an sql query to find the names of employees start with ‘a’?

31


What is the difference between equals() and?

36


how to prepare the technical test

973


What is a real time job in data services?

1


What does a simple spring application contain?

5


What is the difference between Structured COBOL Programming and Object Oriented COBOL programming?

55


Is MDI supported in WPF?

5