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

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Databases Interview Questions

Questions Answers Views Company eMail

What is a trigger in sql?

1207

What is error ora-12154: tns:could not resolve the connect identifier specified?

1081

What is sql used for?

1129

Define tables and fields in a database

1135

What is a unique key and primary key and foreign key?

969

Explain what is a subquery ?

1190

Explain what is a view?

1066

What are string functions in sql?

1249

Explain what is sql?

1119

Explain what is table in a database?

1061

What is a null value?

1150

What are the different dcl commands in sql?

1176

What is relationship? How many types of relationship are there?

1185

Explain what is dbms?

1071

What are the constraints available in sql?

1049

Un-Answered Questions { Databases }

How does postgres store data?

811

6. Display the client name and order date for all orders using the traditional method.

2308

What is work_mem in postgresql?

867

What is a database table?

976

What is Data Storage - Definition Language?

886

Detail about query optimizer?

1110

What is clr ddl trigger?

974

tell me what is blocking and how would you troubleshoot it? : Sql server database administration

905

How to create student table through query with a numeric column of ID and Name of Chaeacter and D-O-B with date type in database What will be the query for this purpose?

1008

How to edit table in sql server 2017?

930

What is a select query statement in oracle?

970

Give syntax for SQL and ORACLE joins.

1095

What is Fully Functional dependency?

960

You have taken a manual backup of a datafile using os. How rman will know about it?

552

What is a cursor and what are the steps need to be taken?

1202

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