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

SQL PLSQL Interview Questions

Questions Answers Views Company eMail

i want run a sql query query? which phases are run in a back ground? pls tell me the answer

1 5267

HOW TO TUNE ORACLE SQL QUERIES GIVE ME STEP BY SREP

TCS,

1 8775

How can multiply values of a column? OR How can multiply value of a row of a column using a single query in SQL?

Pitney Bowes,

1 6115

What is the criteria while applying index to any column on any table.

Infogain,

1 3384

What is the diffrence between IN and EXISTS.which one is faster.

Infogain,

3 8947

if a string is there like s1,s2,s3,s4.How to find count of commas in this.

4 9064

How to find last day of the month in sql query

4 8371

Fetch an entire row from the employees table for a specific employee ID:

2 5257

I am creating an index on Emp table Empno column,if u using this indexed column in ur SELECT stmt. where clause,then how do u know that yr index will be working or nor? Thanks Advance...

3 6620

I m giving Source, Destination and Age. Write a procedure or function, it will give to u this source to destination tickets are available or not, if available then check this person is senior citizen or not,if this person is senior citizen then give some discount. PLZ give this answer...... Thanks advance.....

3 6202

column A column b | output 10 7 | 10 5 8 | 8 7 -9 | 7 3 5 | 5 0 6 | 6 Write a sql query to print such output.

4 7347

while loading data into database how can u skip header and footer records in sql*loader

Oracle,

1 6870

how to load data with out header and footer records in a database using sql*loader? pls tell me the answer urgently

Oracle, Wipro,

1 6972

How write primary and foreign key relationship between two tables without using constraints? u can use any of procedure/function/trigger and any sql?

Parexel,

1 7153

I have a tablle like this: cust acc ----------- a 1 b 2 b 3 c 4 c 5 c 6 I Want below o/p: cust acc --------------- a 1 b 2|3 c 4|5|6 Please any one can you have any ideas share me. I have urgent requirement.

MTS,

7 10449

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Un-Answered Questions { SQL PLSQL }

How do I clear the screen in sql plus?

1041

What is the current version of sql?

1023

What is a constraint? Tell me about its various levels.

1160

What is the difference between sql and mysql?

1117

How is pl sql different from sql?

1087

What are instead of triggers?

1044

What is a unique constraint?

1070

what is sql server agent? : Sql dba

1102

Explain isolation levels. : Transact sql

1068

can sql servers linked to other servers like oracle? : Sql dba

1006

Does sql full backup truncate logs?

1014

What is sql table?

967

Define sql delete statement.

1012

what are dynamic queries in t-sql? : Transact sql

1019

What is schema in sql?

948

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