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Databases Interview Questions
Questions Answers Views Company eMail

How does join work in sql?

 751

What is a primary key sql?

 788

What is trigger in pl sql with examples?

 753

What is row_number () in sql?

 751

What is count * in sql?

 754

What are sql commands?

 712

What is varchar data type in sql?

 736

How do you sort in sql?

 789

What is foreign key in sql with example?

 691

Is sql pronounced sequel or sql?

 985

How many joins in sql?

 751

What is the difference between sum and count in sql?

 741

What is the advantage of index in sql?

 705

What is schema in sql?

 700

Why do we create views in sql?

 808

Un-Answered Questions { Databases }

What is the difference between char and varchar?

795

What is the most common sql injection tool?

756

How do you change columns in postgresql?

603

what are the new features in SSRS?

117

what is normalization? : Sql dba

760

How can you find out how many rows returned in a cursor?

779

Explain Relational Algebra in RDBMS

813

What is an Oracle Data Dictionary?

842

Why I am getting "the microsoft .net framework 2.0 in not installed" message?

730

Where is mysql installed on linux?

678

What is the difference between truncate and delete in mysql?

797

What do you understand by intension and extension?

669

Is primary key is clustered index?

735

What is the effect of setting the value "all_rows" for optimizer_goal parameter of the alter session command? What are the factors that affect optimizer in choosing an optimization approach?

748

How to find which stored procedure is currently running in sql server?

691

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