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

Can you leave a union at any time?

1065

Does union all remove duplicates?

1073

What does it mean to be in union?

937

Why union all is faster than union?

916

Can group by and orderby be used together?

1019

Can group by be used without aggregate functions?

926

Does group by or order by come first?

964

Does group by sort data?

907

What is difference between group by and having?

947

What is user and end user?

907

What is type of end users?

815

What does you mean by s4 super key?

999

What is table normalization?

942

What is data sublanguage?

1038

What are the different types of data tables?

902

Un-Answered Questions { Databases }

What command do we use to rename a db, a table and a column?

928

How is sql used in oracle?

1013

how to select first 5 records from a table? : Sql dba

983

What can sql server reporting services do?

1114

What are slow queries?

909

Do you know what is openxml in sql server?

1074

how to load data files into tables with 'mysqlimport'? : Sql dba

1100

what are database files and filegroups? : Sql server database administration

952

What are indexers?

1091

Explain the ways to controlling cursor behavior?

923

Does apple have a database program like access?

851

What is after dml trigger?

1023

Can sql servers linked to other servers?

1052

What is oracle in java?

978

Why do we use subquery?

1018

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