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Oracle SQL PLSQL Interview Questions

Questions Answers Views Company eMail

What is correlated sub-query?

7 40901

how instead of triger is helpful for mutating tables errors handlling ?

2 9990

What are the advantages of the packages

6 10927

what are the advantages of primary key over unique+notnull

7 20891

how to retrieve the top 3 salaries of the table using rownum

31 36947

what is the difference between union and union all

14 43789

What is the difference between join and union.

27 175697

declare l1 number := null; l2 number :=null; begin if l1=l2 then message('equal'); else if l1<>l2 then message('not equal'); else message('else'); end if; end if; end; What will be the output ?

7 13028

declare lowerl number:= 1; upperl number:= 3; num varchar2(10); begin for i into lowerl..upperl loop num:=num||to_char(lowerl); if i=3 then upperl:=5; end loop; message(num); What will be the output ?

3 8271

Given two tables Student(SID, Name, Course) and Level(SID, level) write the SQL statement to get the name and SID of the student who are taking course = 3 and at freshman level.

9 14323

What cursor type do you use to retrieve multiple recordsets?

17 67181

Two Methods of retrieving SQL?

7 54959

How do you optimize SQL queries ?

6 34320

How well can multiple sessions access the same data simultaneously ?

1 2970

Delete duplicate records in the emp table.

6 13694

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Oracle SQL PLSQL Interview Questions

Oracle SQL PLSQL Interview Questions (40)

Un-Answered Questions

Which android file api to create a file?

729

What is a Bluetooth dongle?

1910

What is sql dialect?

740

What is raid? How does it help storage of databases?

798

I am a civil engineer . I am also selected for sbi clerk interview which is to be held on 4th May2010 is there anybody resembling the same? what question can be asked and what should be the probable answers?

2132

Describe the theory of autonomous form of deep learning in a few words.

What’s new in Angular 5?

596

How will flex 3 be packaged?

How To Change Effect's Start Option?

211

How to use ajax in any form submission?

509

What is pg_catalog?

551

What are the threading types?

712

Explain silverlight architecture?

What is css inline style?

362

Define certification cost?

673