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  • Oracle aptitute test questions (18)
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Oracle SQL PLSQL Interview Questions
Questions Answers Views Company eMail

What is correlated sub-query?

7 33824

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

2 6919

What are the advantages of the packages

6 6530

what are the advantages of primary key over unique+notnull

7 14397

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

31 21651

what is the difference between union and union all

14 32285

What is the difference between join and union.

27 153743

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 8270

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 5212

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 8116

What cursor type do you use to retrieve multiple recordsets?

17 49259

Two Methods of retrieving SQL?

7 44827

How do you optimize SQL queries ?

6 24613

How well can multiple sessions access the same data simultaneously ?

922

Delete duplicate records in the emp table.

6 9394

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Un-Answered Questions

11KV AND 22KV NETWORK KW CAPACITY IN RING AND RADIAL?

656


how to store the vacuum in tank? its possible? what are the units for measure the vacuum ?

574


What is the Systematic Responsibility Site Engineer? Who are the above and under co-oridinating ? What is office & Site co-ordination of Site Engineer?

665


how we implement share object repository in QTP 9.0 without using quality Centre , Explaine in brief

599


sir,would you please send me the Hindustan petroleum corporation limited papers(HPCL).my e-mail ID is ujjwal_sharma1983@yahoo.com

896


Is it required to lay GI wires along with GI/MS conduits from one point to another point though separate earthing cable is conncted from DB to Socket?

574


How to enhance the growth rate of E.coli in M9 media?

1095


Why should you consider yourself fit to be hired by JSPL? (max 200 words)jindal steel & power ltd

5315


Can I use distributon class/transmission class Lightning arresots for protecting the building? If not why please explain?

512


how can LED bulb indication work correctly without CT OR PT for 3 phase indication if one is cut then it will show the correct indication?

446


I recorded a Web App with a Oracle backend using QTP 9.5 and for some reason the scripts don't play back> What am I missing at this point. I recorded the same Apps under Sybase and they work great. This is Oracle 10g. Why won't my scripts play back.

666


please send me oracle pl/sql exp resume. and also faqs...

1121


What is the difference between Maintenance Order and Production Order. the point is i want to know the affection of Movement type 261 thru maintenance order and Production order. if i change any settings for Maintenance order it will affect to production order process also for 261 movement type ?

876


How to Retrieve the line number that a memo's cursor is on?

730


what are the standard methods for HPLC?

1228




Oracle SQL PLSQL Interview Questions
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