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

SQL PLSQL Interview Questions

Questions Answers Views Company eMail

Does normalization improve performance?

1100

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

975

Do we need to create index on primary key?

963

How many columns should be in an index?

1013

How is indexing done in search engines?

1021

How many subqueries can be nested in a statement?

1036

How many clustered indexes can you have?

1037

How do you explain an index?

1327

How many types of normalization are there?

1011

How do you write an index?

1006

Is clustered index a primary key?

985

How do I delete a trigger?

1013

How do you delete a table?

1122

How do I remove duplicates in two columns?

1146

How do I find duplicates in two columns?

1260

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Un-Answered Questions { SQL PLSQL }

What is the difference between a primary key and a clustered index?

1033

Which query operators in sql is used for pattern matching?

1005

What is pl sql record in oracle?

1087

how can I make a script that can be bi-language (supports english, german)? : Sql dba

1063

What is scalar function?

1092

Why having clause is used in sql?

1018

How do I send sql query results to excel?

1108

When is a declare statement required?

1193

How do you update a table in sql?

1036

What is difference between table and view?

1132

Can a procedure in a package be overloaded?

1097

What is range partitioning?

1013

what are the differences between procedure-oriented languages and object-oriented languages? : Sql dba

1099

How do I copy a table in sql?

1034

What is dbo in sql?

1016

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