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?

1038

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

937

Do we need to create index on primary key?

929

How many columns should be in an index?

963

How is indexing done in search engines?

982

How many subqueries can be nested in a statement?

984

How many clustered indexes can you have?

975

How do you explain an index?

1282

How many types of normalization are there?

963

How do you write an index?

965

Is clustered index a primary key?

949

How do I delete a trigger?

965

How do you delete a table?

1074

How do I remove duplicates in two columns?

1065

How do I find duplicates in two columns?

1169

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Un-Answered Questions { SQL PLSQL }

what is blob? : Sql dba

1148

What trigger means?

977

What is the difference between the sql*loader and import utilities? : aql loader

1043

How is indexing done in search engines?

982

What is procedure and function?

981

how to get a list of indexes of an existing table? : Sql dba

958

Why is sql better than hql?

992

How do I run a script in sql developer?

947

what is recursive stored procedure? : Sql dba

986

what is sql server agent? : Sql dba

1103

What is sqlite format?

1197

What is the difference between explicit and implicit cursors in oracle?

1069

Can we create a trigger on view?

895

Do we need to rebuild index after truncate?

1035

How can I speed up sql query?

962

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