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

SQL PLSQL Interview Questions

Questions Answers Views Company eMail

What is string join?

970

What is difference between inner join and cross join?

961

Which is faster joins or subqueries?

986

Is left join inner or outer by default?

1014

Is left join same as inner join?

1114

Can we join two tables without common column?

999

Can we use joins in subquery?

1156

Which join is like inner join?

1018

What is the difference between an inner join and an outer join?

1015

Which join is like an inner join?

1021

Can we use join in subquery?

1083

What does joining a thread mean?

1015

What is difference between joins and union?

1117

Does inner join return duplicate rows?

970

Is join same as left join?

1029

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Un-Answered Questions { SQL PLSQL }

Explain the difference between triggers and constraints?

967

What is the sql*loader? : aql loader

1046

When you have to use a default "rollback to" savepoint of plvlog?

1183

Is primary key is clustered index?

996

Does sqlite need a server?

1042

What is procedure in pl sql?

1035

Why do we need cursors in pl sql?

1071

Does truncate free space?

1003

How many rows can sqlite handle?

1106

How to add new employee details in an employee_details table with the following details

1085

What does truncate mean in sql?

1017

What can you do with pl sql?

1088

What is sqlexception in java?

979

What are operators available in sql?

1037

Why is sql important?

1098

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