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Oracle SQL PLSQL Interview Questions
Questions Answers Views Company eMail

What is correlated sub-query?

7 36702

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

2 8149

What are the advantages of the packages

6 8022

what are the advantages of primary key over unique+notnull

7 17190

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

31 25863





what is the difference between union and union all

14 36754

What is the difference between join and union.

27 163769

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 9882

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 6357

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 10219

What cursor type do you use to retrieve multiple recordsets?

17 56295

Two Methods of retrieving SQL?

7 49226

How do you optimize SQL queries ?

6 28028

How well can multiple sessions access the same data simultaneously ?

1 1804

Delete duplicate records in the emp table.

6 10821

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Oracle SQL PLSQL Interview Questions


Un-Answered Questions

insted of bentonite we can use any alternate material in piling ?

1183


How to make qtp understand the difference amongst the same type of objects .suppose there are 5 check boxes in a page and I have to choose the 2nd one, how to do that through script?

111


Discuss the otto cycle with diagram.

128


Which is better cakephp or laravel?

3


On which platform j2ee is based?

93






How errors in talend are handled?

1


What are mapplets? How is it different from a Reusable Transformation?

152


What is the relationship between a queue and its underlying array?

137


what is the sludge current

978


What is defined isalpha() in python?

96


What is the element in third series the element with maximum oxidation state?

127


HOW CAN I OPEN A CC A/C ? WHAT ARE THE MINIMUM REQUERMENT TO OPEN A CC A/C ? WHAT ARE THE FACILITY OF A CC A/C IN THE BUSINESS FIELD ? WHAT ARE THE BANK CHARGES AND INTEREST IN CC A/C ?

1665


What is nsmutablearray?

68


What is backing bean?

132


How do I compare files in notepad ++?

60