SQL PLSQL Interview Questions
Questions Answers Views Company eMail

What is foreign key and example?

508

Can you have a foreign key without a primary key?

507

Can you have more than one key in a database?

505

Does asenumerable execute the query?

591

How do you write a subquery?

517

What is asqueryable?

527

What is a parameter query?

619

What is compiled query?

515

What is query syntax?

517

What is the difference between subquery and correlated query?

528

Which one is faster ienumerable or iqueryable?

480

Why do we use subquery?

483

Why we use stored procedure instead of query?

528

What is sql and its types?

625

What is sql key?

512


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Un-Answered Questions { SQL PLSQL }

What is parameter substitution in sql?

521


Why we use sql profiler?

558


What is normalisation in sql?

544


which types of join is used in sql widely? : Sql dba

535


What does the hierarchical profiler does?

563






What are some emotional triggers?

566


what are numeric data types? : Sql dba

569


what is the difference between union and union all? : Sql dba

542


What are sql indexes?

541


How does cross join work in sql?

529


what is the difference between cluster and non cluster index? : Sql dba

548


Why is %isopen always false for an implicit cursor?

566


What is the use of double ampersand (&&) in sql queries? Give an example

609


Does user triggers have entry for trigger with compilation errors?

588


how to escape special characters in sql statements? : Sql dba

505