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Oracle SQL PLSQL Interview Questions

Questions Answers Views Company eMail

What is correlated sub-query?

7 42521

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

2 10638

What are the advantages of the packages

6 12152

what are the advantages of primary key over unique+notnull

7 22297

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

31 41800

what is the difference between union and union all

14 46542

What is the difference between join and union.

27 180554

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 14408

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 8934

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 15926

What cursor type do you use to retrieve multiple recordsets?

17 70778

Two Methods of retrieving SQL?

7 56657

How do you optimize SQL queries ?

6 35886

How well can multiple sessions access the same data simultaneously ?

1 3512

Delete duplicate records in the emp table.

6 14810

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Oracle SQL PLSQL Interview Questions

Oracle SQL PLSQL Interview Questions (40)

Un-Answered Questions

Can manipulators fall in love?

1016

Does windows 7 have cortana?

830

Which is faster abstract class or interface in c#?

990

Which config file has all the supported channels/protocol?

990

What is the shortcut key for cut in excel?

691

A quality radiograph is obtained using a 4 inch pid and an exposure time of 3 impulses. The pid was removed and replaced with a 16 inch pid. What should the new exposure time be to maintain image density?

what is saturation kit?which use above 15 kw motors panel side.

4201

Which property is used to change the background color?

563

Wats d criteria to make a shampoo in liquid or jelly form???

2023

Explain vegetal pole?

How do I make a powerpoint presentation attractive?

370

What is parent value in blue prism?

426

Where is compress pictures in powerpoint 2010?

356

Hello...has anyone interviewed with Information Management Services(IMS)located in Silver Spring MD??If yes,what can you share about the programming test and the analytical test?

1980

Explain about hydrophobic interactions in antigen-antibody interaction?

414