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

Oracle (3253)
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

How to connect the oracle server as sysdba?

1132

What is a cursor in oracle?

1232

How to calculate date and time differences in oracle?

1099

What is a select query statement in oracle?

1028

What is a initialization parameter file in oracle?

1087

How to unlock the sample user account in oracle?

1079

How to rollback the current transaction in oracle?

1105

What are the differences between date and timestamp in oracle?

1097

How to pass parameters to procedures in oracle?

1083

What is system global area (sga) in oracle?

1035

How to delete an existing row from a table in oracle?

1130

How to write numeric literals in oracle?

1238

How to write a query with a full outer join in oracle?

1 1550

What operating systems are supported by oracle database 10g xe?

1090

How data locks are respected in oracle?

1113

Un-Answered Questions { Databases }

What are the 3 levels of data abstraction?

889

What are types of dbms?

1074

Which database stores information about replication?

1127

what is difference between inner join & nested query or subqueries

3113

Is sql server implemented as a service or an application? : Sql server database administration

997

Can postgres use multiple indexes?

906

What privilege is needed for a user to delete rows from tables in another schema?

1137

What are the common mysql functions?

1003

What is sql*loader and what is it used for? : aql loader

1251

What is merge in oracle?

1097

What are mongodb shards?

Suppose i have a table that contains 5 columns like col1,col2...colm5.I want to import only two column through BCP utility.How to do same through BCP in sybase.

2462

How to convert binary strings into integers in ms sql server?

1082

Is microsoft access in the cloud?

917

What are the types of database model?

1138

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