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

How to check whether PostgreSQL server is up and running?

1 3123

What are the languages which PostgreSQL supports?

1 2093

Explain about the command enable debug?

1 2053

Explain about functions in PostgreSQL?

1 2174

Explain about indices of PostgreSQL?

1 2196

Explain about Triggers?

Infosys,

1 2357

What are the different data types supported by PostgreSQL?

1 2492

Explain about database administration tools?

1 2072

Explain about pgadmin?

1 3112

How do you create a data base with postgreSQL?

1 2260

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

1 2263

Explain about tokens?

1 2211

Explain about string constants?

1 2072

Explain about concurreny with the help of MVCC?

1 2302

How to created a database?

1 2210

Un-Answered Questions { Databases }

What is heap table in mysql?

931

What is the difference between python and sql?

951

How many indexes does mongodb create by default for a new collection?

Which flexfields you have customized?

What is memory table?

865

How many files can a database contain in sql server?how many types of data files exists in sql server? How many of those files can exist for a single database?

1099

Differentiate between unidentified receipt, unapplied receipts and on account receipts? : oracle accounts receivable

1740

create index myindex on mytable(mycolumn) what type of index will get created after executing the above statement? : Sql server database administration

919

What is embedded sql in db2?

972

How to check if a column is nullable before setting to nullable?

1072

List out the components of logical database structure of oracle database.

997

What is the use of default key?

1118

What do you mean by transparent dbms?

1361

What happen when we delete the table using trigger?

865

Explain the storage engines in mysql?

965

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