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

What does select * from mean in sql?

3092

Can you sum a count in sql?

963

What is a sql select statement?

1004

What is insert command in sql?

1075

How do I count duplicates in sql?

1048

What are the sql commands?

1115

What is partition by in sql?

1014

How do I tune a sql query?

944

How can get second highest salary in sql?

923

How do I count rows in sql?

959

What is difference between sql and excel?

1026

What does stand for in sql?

930

What is difference between sql and mysql?

1073

What is difference between mysql and postgresql?

1068

What is difference sql and mysql?

949

Un-Answered Questions { Databases }

What are the different types of nosql databases? Give some example.

What are the basic techniques of indexing?

1025

What is multiple columns?

1015

Explain about functional dependency and its relation with table design?

966

How to connect to oracle using service name instead of sid?

970

What is dirty read and phantom read?

833

How to export your own schema?

978

What are the advantages of mysql?

945

What is the difference between char and varchar in mysql?

1023

Is mongodb a json?

What do you mean by a dependent functionality in a build?

1072

What is __ v in mongoose?

What is wal in postgresql?

812

There are n numbers of flatfile of exactly same format are placed in a folder.Can we load these flatfile's data one by one to a single relational table by a single session??

1989

How to take user input in pl sql?

1119

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