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 3311

What are the languages which PostgreSQL supports?

1 2255

Explain about the command enable debug?

1 2223

Explain about functions in PostgreSQL?

1 2344

Explain about indices of PostgreSQL?

1 2371

Explain about Triggers?

Infosys,

1 2524

What are the different data types supported by PostgreSQL?

1 2650

Explain about database administration tools?

1 2225

Explain about pgadmin?

1 3262

How do you create a data base with postgreSQL?

1 2430

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

1 2432

Explain about tokens?

1 2336

Explain about string constants?

1 2206

Explain about concurreny with the help of MVCC?

1 2461

How to created a database?

1 2345

Un-Answered Questions { Databases }

What is the difference between primary key and candidate key?

1086

Is sql similar to access?

885

What are the different types of database users?

622

What is server-level principal?

122

What are triggers and its types?

1122

Explain what is table in a database?

1110

What is function and procedure?

1080

What are date and time intervals?

1033

What is a natural join?

1143

How can you see the connection used by mongos?

How to count groups returned with the group by clause in ms sql server?

1148

Can we join tables without foreign key?

1010

Explain tablesample?

1043

How to put more than 1000 values into an oracle in clause?

1090

Explain 3 basic parts of a trigger.

1376

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