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

Which is faster joins or subqueries?

995

Is left join inner or outer by default?

1027

Is left join same as inner join?

1144

Can we join two tables without common column?

1020

Can we use joins in subquery?

1170

Which join is like inner join?

1044

What is the difference between an inner join and an outer join?

1033

Which join is like an inner join?

1034

Can we use join in subquery?

1103

What does joining a thread mean?

1024

What is difference between joins and union?

1136

Does inner join return duplicate rows?

995

Is join same as left join?

1046

What is a natural join?

1082

What is full join?

961

Un-Answered Questions { Databases }

What is skip() method?

What is an Oracle database Partial Backup?

1168

what is a tablespace? : Sql dba

1062

What is the report builder?

141

What are triggers and its uses?

1057

What are some predefined exceptions in pl/sql?

1174

What is redis good for?

963

What is a cursor and what are the steps need to be taken?

1209

Explain fully functional dependency?

973

What the different components of Replication and what is their use?

1076

How do I connect to a postgresql database?

997

What do you mean by checkpoints in dbms?

885

What are the applications of ms access?

972

What is ddl command?

991

Does mongodb require a schema?

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