SQL PLSQL Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

SQL PLSQL Interview Questions

Questions Answers Views Company eMail

1. what is the exact use of hint in sql. 2. How we can avoid index scan in sql even though index is there in the table.

Polaris,

1 6882

SQL Tuning, Oracle Server 10g: Why is the following hint invalid? SELECT /*+ first_rows parallel(table_name,paral_number)*/

Accenture,

1 10122

How to create a view on a table which does not exists

Oracle, TCS,

4 21051

I have a package in which a table was used in a procedure and compiled later i have dropped the table used in the package what would be the status of package specification and body

TCS,

1 6464

why we go for package? what are the advantages of using instead of seperate procuderes or functions

IBM, TCS,

3 10310

there is A table and B table in A table there 5 rows and in b table there are 2 rows i am firing query select * from a,b what will be the output?

Cognizant,

7 14174

What is nvl function?

Cap Gemini,

4 13070

what is 'force view'?

Cap Gemini, SPIC,

3 18387

Can we interchange parameters in procedure while calling

TCS,

1 7540

What is different between union and minus?

Accenture, TCS,

7 23733

how to create a database in oracle?please gve anser with example

1 4590

how to delete duplicate rows from a join tables(I have three tables on that join) how do you know which join is need to be used? The select statement I have is: SELECT gc_skill_type.skill_type, gc_area_tec.area, gc_technology.technology, gc_technology.id_technology, gc_area_tec.id_area_tec FROM gc_skill_type, gc_area_tec, gc_technology WHERE gc_area_tec.id_skill_type (+) = gc_skill_type.id_skill_type AND gc_technology.id_area_tec (+) = gc_area_tec.id_area_tec order by gc_skill_type.skill_type asc, gc_area_tec.area asc, gc_technology.technology asc

IAS,

1 4014

how to findout the 100th maximum salary

Amdocs,

28 30097

How to call the function and Procedure in trigger?

IBM,

3 11571

Like shown below i have 3 columns(Name,No,Address). The values in name column i want to modity. Requirement : Keep only once space between two words (Fname,Lname) in the Name column. For this what is the query? Please answer me. Advance Thanks. Name No Address Reference manoj kumar kumar raja vinzay kumar rajendra prasad gowri nath -- -- --

5 7973

Post New SQL PLSQL Questions

Un-Answered Questions { SQL PLSQL }

What is an exception in pl/sql?

1087

What are the advantages of sql?

1055

What is a mutating table and a constraining table?

1114

Write a query to display the current date in sql?

1020

Are there any features that are decommissioned in 11g that are not present in 11g?

2148

What are triggers in sql?

1020

List the various privileges that a user can grant to another user?

1041

Can a foreign key be a duplicate?

910

Is it possible to update views?

959

Why we use join in sql?

966

What does truncate mean in sql?

1021

How to disable a trigger name update_salary?

1266

Define a temp table?

1016

Define select, insert, create, delete, update, drop keywords

1048

What is the difference between sql and isql*plus?

1094

For More Un-Answered { SQL PLSQL } Questions Click Here