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 does a trigger work?

1070

Can we insert delete data in view?

950

How does a covering index work?

960

Can we have two clustered index on a table?

1025

How many types of primary keys are there?

1036

Can we insert data into view?

900

How do you define a foreign key?

1003

Can we join tables without foreign key?

962

Is inner join same as self join?

1116

Does group by remove duplicates?

1041

Is inner join faster than left join?

1190

Is primary key always clustered index?

1023

Is primary key clustered index?

949

Can we rollback truncate?

998

Can delete statement be rollbacked?

984

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Un-Answered Questions { SQL PLSQL }

Does view store data in sql?

963

Is nosql relational?

943

what does it mean to have quoted_identifier on? What are the implications of having it off? : Sql dba

1004

what is a trigger in mysql? Define different types of trigger. : Sql dba

1069

how to get help information from the server? : Sql dba

940

how many sql ddl commands are supported by 'mysql'? : Sql dba

1022

What is coalesce sql?

997

What is a subquery in sql?

1040

what is unique key constraint? : Sql dba

1035

What are the packages in pl sql?

1009

What are inner outer left and right joins in sql?

1016

Explain the steps needed to create the scheduled job?

1038

How to create an array in pl/sql?

1066

How do you update a sql procedure?

1029

What packages(if any) has oracle provided for use by developers?

5811

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