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 is slow query log in mysql?

1164

How we can see all indexes defined for a table in mysql?

1005

In mysql, what is joins? Explain

1034

Who developed mysql?

1081

What is view in mysql?

1033

How do I find my mysql username and password?

1011

Explain the difference between procedure and function in mysql?

1043

How to delete the repeated records from a table?

1048

What is the default port for mysql and how it can change?

1124

What is triggers and how it can be used in mysql?

1025

what is the difference between between and in operators in mysql?

1080

What is the difference between timestamp and datetime in mysql?

1111

What are procedures in mysql? Explain

1031

Explain the different types of constraints?

1011

What are the difference between and myisam and innodb?

1095

Un-Answered Questions { Databases }

Explain a differential backup?

1069

How do I create a table in postgresql pgadmin?

937

Explain the ways to controlling cursor behavior?

971

How can you use check constraints for self referential integrity?

1022

What is ora-1555 snapshot too old error? Explain in detail?

739

Explain the features of sybase.

971

how to show all tables with 'mysql'? : Sql dba

1161

In what version of sql server were synonyms released?

1003

Can sub report data source be different from that of the parent report?

149

How many control files should you have? Where should they be located?

622

what is checksum in sql server.........???

1753

How to concatenate two binary strings together?

1185

What are 3 ways to get a count of the number of records in a table?

1129

Is mysql owned by oracle?

1079

List out different types of normalizations in sql server and explain each of them?

983

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