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

Oracle (3259)
SQL Server (4518)
MS Access (429)
MySQL (1402)

Postgre (483)
Sybase (267)
DB Architecture (141)
DB Administration (291)

DB Development (113)
SQL PLSQL (3330)
MongoDB (502)
IBM Informix (50)

Neo4j (82)
InfluxDB (0)
Apache CouchDB (44)
Firebird (5)

Database Management (1411)
Databases AllOther (288)

Databases Interview Questions

Questions Answers Views Company eMail

Explain the importance of partitioning.

998

Define ddl interpreter.

1145

Compare non-clustered and clustered index

897

What are the various kinds of interactions catered by dbms?

2143

Define database.

1011

What restrictions can you apply when you are creating views?

918

Define "correlated subqueries".

957

What do database languages do?

958

Enlist the cursor types.

1059

What do you mean by query evaluation engine?

988

How does index hunting help in improving query performance?

952

Define fragmentation.

898

Enlist the various transaction phases.

1057

Define normalization.

967

Define union all operator and union.

940

Un-Answered Questions { Databases }

What to do if dba lost the system password?

1190

What is a heap?

1049

How to get the definition of a stored procedure back?

988

Have you attend the client meetings?

633

What is the importance of database in an organization?

875

List the merits of index covering.

900

What is the use of count (*) in sql?

1070

Where are stored procedures in sql server?

1084

Explain a join between tables?

1051

What are the five functions of a database?

618

Can a cursor be updated? If yes, how you can protect which columns are updated?

1138

Explain in brief how sql server enhances scalability of the database system?

994

Difference between transaction type and transaction sources. : oracle accounts receivable

1041

How many indexes can be created on a table?

1173

How to use windows user to connect to the server?

1006

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