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

Can we use where clause in union?

1128

Can we use having clause without group by?

1032

How do I create a stored procedure in dbml?

1084

What is db stored procedure?

945

Can we do dml on views?

1018

Can you index views?

939

Does view occupy space?

992

What is difference between materialized view and view?

954

How do you create a clustered index?

1133

How do you drop an index?

975

How does clustered and non clustered index work?

981

What are the types of indexing?

1121

What is an index in a database?

1030

What is the need for indexing?

992

What are the lambda triggers?

960

Un-Answered Questions { Databases }

System variable and temporary variables

2302

What is full outer join in sql server joins?

1143

Define overloaded procedure?

1134

Is mysql case-sensitive?

953

how to decrement dates by 1 in mysql? : Sql dba

1077

What is Relational Algebra?

943

Can you assign multiple query result rows to a variable?

1040

how many sql dml commands are supported by 'mysql'? : Sql dba

1171

What are the limitations of rdbms?

1013

What is tuple with example?

1007

What privilege is needed for a user to insert rows to tables in another schema?

1064

What is an artificial (derived) primary key? When should an artificial (or derived) primary key be used?

654

how we use window authentication connection with sql server.?

1215

Why union all is faster than union?

981

What is the security principal at the server level that represents your session?

1065

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