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

What is the usage of save points in oracle database?

980

What is the relationship among database, tablespace and data file?

1011

What is the difference between hot backup and cold backup in oracle?

1036

What is a system tablespace and when it is created?

989

What are the different types of database objects?

1081

What is logical backup in oracle?

1048

What are the extensions used by oracle reports?

1057

What is the meaning of recursive hints in oracle?

1070

What is bulk copy or bcp in oracle?

1141

What is the usage of control file in oracle?

1112

What is the usage of synonyms?

1167

What types of joins are used in writing subqueries?

1000

What is the difference between post-database commit and post-form commit?

1226

What is blob data type in oracle?

1151

What is the usage of analyze command in oracle?

1112

Un-Answered Questions { Databases }

What is the use of mysql_fetch_array () function in php?

957

List out some of the requirements to setup a sql server failover cluster.? : sql server DBA

1308

What is the federation in sql azure?

Explain alternate key?

1100

How many clustered indexes can be created on a table? I create a separate index on each column of a table. what are the advantages and disadvantages of this approach?

1129

How can I create a database in mysql?

881

How many categories of data types?

1016

What is replication factor in mongodb?

can we implement package in package?

614

What are the types of dml?

1001

What are different functions in sql?

965

What do you understand by coalesce in sql server?

1092

What is pessimistic concurrency control? : Transact sql

1105

What is connection pooling in postgresql?

929

Can you selectively load only those records that you need? : aql loader

1066

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