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 differences between drop, truncate and delete commands?

1112

How can you get the alternate records from the table in the sql?

1006

What is a functional dependency in the dbms?

954

What is bcnf in the dbms?

998

What is e-r model in the dbms?

1119

What is correlated subquery in dbms?

1047

Explain entity, entity type, and entity set in dbms?

888

What is the use of drop command?

1378

What are different types of joins in the sql?

1055

What is a clause in terms of sql?

1313

How many sql statements are used?

1076

Enlist the advantages of sql.

1055

How many sql statements are used? Define them.

1082

What do you understand by database triggers?

986

Differentiate between ‘cluster’ and ‘non-cluster’ index.

1014

Un-Answered Questions { Databases }

To which devices can a backup be created and where should these devices be located? : sql server management studio

1106

I HAVE A PI ON COL A THE NEXT DAY I WANT CHANGE THE PI ON COL B? PLS SEND ME THE ANS

2906

What are views in sql?

1037

what is the difference between a web-garden and a web-farm? : Sql dba

1149

How many types of relationship are there?

1087

Define the relationship between ‘view’ and ‘data independence’.

1120

How to list or view all databases from the mysql server.

981

Difference between ETL and E_LT?

636

Is the primary key an index?

1081

How do you select unique values in sql?

1051

What are the types of dbms?

1030

Can we delete column in sql?

1176

Is oracle sql free?

1039

Can you please explain the difference between function and stored procedure?

1051

How do I alter a table in postgresql?

930

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