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 check whether PostgreSQL server is up and running?

1 3308

What are the languages which PostgreSQL supports?

1 2251

Explain about the command enable debug?

1 2216

Explain about functions in PostgreSQL?

1 2342

Explain about indices of PostgreSQL?

1 2368

Explain about Triggers?

Infosys,

1 2524

What are the different data types supported by PostgreSQL?

1 2648

Explain about database administration tools?

1 2225

Explain about pgadmin?

1 3262

How do you create a data base with postgreSQL?

1 2428

What are the various enhancements to the straight relational data model by PostgreSQL?

1 2432

Explain about tokens?

1 2334

Explain about string constants?

1 2206

Explain about concurreny with the help of MVCC?

1 2458

How to created a database?

1 2345

Un-Answered Questions { Databases }

How do you use join?

995

What does –i option do in sybase tools?

1138

What is the usage of sign function?

1177

what are the types of subquery? : Sql dba

1161

How do I exit mysql?

977

Explain what are triggers and rules?

968

What is normalization? What are different type of normalization?

997

what is the difference between openrowset and openquery?

1162

Is ms sql is free?

1083

How to see free space of each tablespace?

1083

Can primary key be changed?

955

what are the different tables present in mysql? : Sql dba

1046

What is the usage of merge statement?

1205

How to change user password in oracle?

1099

Which database is best to store images?

1090

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