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

SQL PLSQL Interview Questions

Questions Answers Views Company eMail

Why is a trigger used?

941

Why query optimization is needed?

926

Why use truncate instead of delete?

1015

Can we call stored procedure in function?

957

Why is theta join required?

1145

What is procedure explain with example?

961

Is full outer join same as cross join?

969

What is difference between nchar and nvarchar?

1026

Can we use commit inside a trigger?

1090

What is procedure explain with program?

1017

How does cross join work?

955

Which table is left in left join?

1012

How does stored procedure reduce network traffic?

1008

What is difference between table and view?

1056

What are types of joins?

965

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Un-Answered Questions { SQL PLSQL }

Is it possible to Restore a Dropped Table using Rollback Command in Oracle SQL Plus ?

1227

What are the benefits of pl sql?

1121

How do you create a unique index?

1046

How do you take the union of two tables in sql?

985

What is a common use of group by in sql?

1051

Is sqlexception checked or unchecked?

968

Which function is used to return remainder in a division operator in sql?

1139

What is primary key in db?

1007

What are % type and % rowtype?

1028

Which kind of parameters cannot have a default value in pl sql?

1149

What is normalisation in sql?

1053

What is full form of rtm?

1008

What is a sql select statement?

1040

What is memory optimized table?

1043

Can you sum a count in sql?

1011

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