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

What are the different mysql database engines?

1245

What are aggregate functions in mysql?

1 1446

Explain unique key in sql.

1067

How to use distinct and count in sql query? Explain

1088

What is the difference between having and a where in sql?

1159

Explain the components of sql?

1113

Explain normalization and what are the advantages of it?

1005

Explain clause in sql?

1079

What are the advantages of sql? Explain

1163

Explain foreign key in sql?

1090

What is a primary key? Explain

1032

Explain the difference between drop and truncate commands in sql?

1120

Write a query to find the names of users that begin with "um" in sql?

1051

Explain scalar functions in sql?

1112

What is sql and explain its components?

1122

Un-Answered Questions { Databases }

Is mongodb distributed database?

How to read data in a table with "select" statements?

1032

Is ms access part of ms office?

1036

What are the different types of (all page) locks in sybase?

870

What is oracle instant client?

1079

What command would you use to create an index?

1116

What is the current version of mysql?

1026

How to enable tcp/ip protocol on a sql server?

1228

How are mysql timestamps seen to a user?

1103

What are the properties of the transaction?

1058

What is the purpose of normalization?

1095

What is instead of dml trigger?

1069

Can we group by two columns in sql?

1055

State some uses of redo log files?

1071

How can you list all the columns in a database?

979

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