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

SQL PLSQL Interview Questions

Questions Answers Views Company eMail

How can I delete duplicate rows?

1014

How do rank () and dense_rank () differ?

1044

Are stored procedures faster than queries?

944

What schema means?

888

Is delete faster than truncate?

1002

Can we use rowid as primary key?

988

How do you remove duplicate records from a table?

939

How do you truncate?

906

How many primary keys can a table have?

1006

Does truncate remove indexes?

1033

How can we find duplicate records in a table?

946

Can we insert data in view?

962

How do I remove all records from a table?

1072

Why truncate is faster than delete?

1109

Are subqueries faster than joins?

1020

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Un-Answered Questions { SQL PLSQL }

Explain cursor types?

1022

How can you tell the difference between an index and a view?

937

How to prepare for oracle pl sql certification?

1064

What is the sql case statement?

1002

Does a user_objects view have an entry for a trigger?

1011

What are analytic functions in sql?

1025

How do I count rows in sql query?

988

Do triggers have restrictions on the usage of large datatypes, such as long and long raw?

1164

How run sql*plus commands that are stored in a local file?

1061

Which is the correct statement about truncate and delete?

1111

Where the sql database files are stored?

1014

How do I view stored procedures?

973

How would you reference column values before and after you have inserted and deleted triggers?

1065

Explain what is a subquery ?

1187

Explain how to use transactions efficiently : transact sql

979

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