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?

1066

Can we insert delete data in view?

950

How does a covering index work?

959

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?

1002

Can we join tables without foreign key?

962

Is inner join same as self join?

1114

Does group by remove duplicates?

1039

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 }

Is it possible for a table to have more than one foreign key?

1030

Can we call a function containing dml statements in a select query?

974

What are the three pl sql block types?

1009

What is natural join in sql?

989

what is sql? : Sql dba

1028

How to run sql statements with oracle sql developer?

1064

Is a foreign key always unique?

942

Can we use delete in merge statement?

1039

What is not null in sql?

1055

What is mutating sql table?

1109

What is set serveroutput on?

1136

what is an execution plan? When would you use it? How would you view the execution plan? : Sql dba

978

what is isam? : Sql dba

1004

What is data control language (dcl)?

1137

How many functions are there in sql?

1017

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