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 is difference between inner join and join?

1063

Can two tables share a primary key?

1039

What are cursors stored procedures and triggers?

1041

Is natural join and equi join same?

990

What is join query?

906

What it means to be triggered?

1026

Can we use pragma autonomous_transaction in trigger?

981

What is table level trigger?

1035

Can we call future method from queueable?

1073

What does nvl stand for?

956

Is null vs coalesce?

897

What is the difference between join and inner join?

1035

What is triggers and stored procedures?

958

What is a mutating table error and how can you get around it?

1075

Can we call stored procedure in trigger?

960

Un-Answered Questions { Databases }

How to build data dictionary view an new database?

1020

Explain what are page splits? : SQL Server Architecture

1079

What is transport network substrate (tns) in oracle?

1066

What do you understand by database triggers?

944

How to list all objects in a given schema?

1072

How to enter numeric values as hex numbers?

989

What is difference between sql and excel?

1117

How do I find the port number for sql server?

986

Explain master-detail relationship with some examples.

1021

Explain the wait events in statspack report 'enqueue'?

589

Which command is used for user defined error messages?

1075

I need a function for a train ticket reservation please answer it thanks in advance

1042

What is spid in sql server profiler?

1125

How do I create a foreign key in postgresql?

781

What is microsoft access point?

797

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