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

What are the different types of dbms?

1068

Explain the working of primary key?

1158

What are sql functions? Describe the different types of sql functions?

1221

Describe different types of general function used in sql?

1098

What are sql functions? Describe in brief different types of sql functions?

1195

What is the difference between sql and isql*plus?

1167

Explain exception handling in pl/sql?

1084

What is the use of double ampersand (&&) in sql queries? Give an example

1193

what is the use of double ampersand (&&) in sql queries?

1235

What is sql and also describe types of sql statements?

1116

Describe types of sql statements?

1109

Explain about integrity constraint?

1184

What is literal?

1067

What are the uses of a database trigger?

1045

Name the various constraints used in oracle?

1082

Un-Answered Questions { Databases }

Is mongodb normalized?

What is use of @@ spid in sql server?

1281

Can a foreign key be null?

1145

How do I clean up sql server transaction log?

1131

What is a table in mongodb?

How do you implement session management in SQL Server mode?

1162

WHAT IS CARDINALITIES OF JOIN?

2435

What are the advantages of sql? Explain

1158

what are aggregate and scalar functions? : Sql dba

1113

what happens if null values are involved in expressions? : Sql dba

1093

how to do transactions/locking in mongodb?

What are the types of dbms?

1030

what’s the difference between Covering Indexes and Clustered Indexes ? how to use clustered index small ?

2027

What are predefined functions in sql?

1110

Is postgresql is nosql?

935

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