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 rules exist regarding format, content, flame wars, etc

IBM,

119

who conceived and designed the informix database management system?

IBM,

who developed informix?

IBM,

why a foreground write in informix decrease performance?state the reason for the same?

IBM,

107

why do foreground writes decrease performance ?

IBM,

why is update statistics important to a database?

IBM,

What does REVERT do in SQL Server 2005?

HCL,

1013

how to add a new column to an existing table?

MCN Solutions,

1077

How many types of km's? And you what are the type's km are used in your project?

Infosys,

609

What is File steps?

Infosys,

673

Can migrate the one ORACLE DATA INTEGATOR studio to another ORACLE DATA INTEGATOR studio?

TCS,

689

How many types of dimensions in oracle?

TCS,

608

What are the Types of Scd's?

TCS,

630

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

TCS,

674

Which data loaded are in target db?

TCS,

616

Un-Answered Questions { Databases }

What is clause?

1231

Why do we need database normalization?

1070

What do you know about Master Data & Transaction Info Package?

1060

How does php communicate with mysql?

957

What is database and its types?

1056

How will you distinguish a global variable with a local variable in pl/sql?

1208

How do you backup a database in mysql?

1129

What is system stored procedures?

1089

Stored Procedure returns data from multiple tables. How to access it in your ASP.Net code?

1121

How to use windows user to connect to the server?

1048

What is primary key and unique key?

1171

What does mongodb mean?

What is the purpose of a model?

1065

Can a table be created inside a trigger?

1014

What is Segment Advisor in Oracle?

1149

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