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 5256

HOW TO TUNE ORACLE SQL QUERIES GIVE ME STEP BY SREP

TCS,

1 8764

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 6111

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

Infogain,

1 3375

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

Infogain,

3 8922

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

4 9042

How to find last day of the month in sql query

4 8351

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

2 5246

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 6605

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 6187

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 7315

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

Oracle,

1 6855

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 6960

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 7149

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 10428

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Un-Answered Questions { SQL PLSQL }

Is hadoop a nosql?

994

Is sql pronounced sequel or sql?

1259

What are the ddl commands?

1005

What is the advantage of nosql?

1059

Is a foreign key always unique?

935

what is try_catch block in procedure

1733

How can triggers be used for the table auditing?

1065

How many sql databases can you have on one server?

1075

How do I make sql search faster?

990

What does inner join mean?

1153

What is oracle and pl sql?

1115

how to create a new table in mysql? : Sql dba

983

Can we rename a column in the output of sql query?

991

When are we going to use truncate and delete?

980

What are the different operators available in sql?

997

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