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 advantages fo Stored Procedures?

1 3317

What are the uses of Database Trigger ?

1790

What is Database Trigger ?

1 3122

Can the default values be assigned to actual parameters?

1 2780

Can a primary key contain more than one columns?

2 3861

What is an UTL_FILE.What are different procedures and functions associated with it?

1 3496

Differentiate between TRUNCATE and DELETE?

2 3136

What is difference between a formal and an actual parameter?

1 2759

What should be the return type for a cursor variable.Can we use a scalar data type as return type?

1 2735

What are different Oracle database objects?

1 2751

What is difference between SUBSTR and INSTR?

1 3139

Display the number value in Words?

1 3176

What is difference between SQL and SQL*PLUS?

1 3037

What are various joins used while writing SUBQUERIES?

2 4115

What a SELECT FOR UPDATE cursor represent.?

1 2982

Un-Answered Questions { Databases }

How do I connect to postgresql on windows?

970

Can delete statement be rollbacked?

1034

What is the contrast between sql and mysql?

1160

How to configure the cache size for wiredtiger in mongodb?

what is the difference between Neo4j graph database and MySQL?

What is a proxy object?

1109

What is sql injection and why is it a problem? : sql server security

1192

Can you edit long shell operations with an external text editor?

How to set up sql*plus output format in oracle?

1084

List some file extensions of microsoft access.

993

Write a SQL query to make a column as unique?

1078

How does mysql store dates?

994

How many types of indexes are there in mysql?

958

List the different types of normalization?

994

Where is the multi connections are used in ORACLE DATA INTEGATOR?

674

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