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 the different Data Manipulation Language statements are?

2 4569

If an UNIQUE KEY constraint on DATE column is created, will it accept duplicate values?

2 4933

What are the different events in Triggers ?

1 15924

What built in subprogram is used to manipulate images in image items ?

1 5077

Can we pass RECORD GROUP between FORMS ?

1 5627

What will the SHOW_ALERT function returns ?

College School Exams Tests, DSS,

3 24036

What SYSTEM VARIABLE is used to refer DATABASE TIME ?

1 10781

what is the use of SYSTEM.EFFECTIVE.DATE varaible ?

1 3589

How can you CALL Reports from Forms4.0 ?

1 5382

When do you get a .PLL extension ?

TVS,

2 13081

What is built_in Subprogram ?

BBAU Babasaheb Bhimrao Ambedkar University, HCL, TCS,

3082

what is GET_BLOCK property ?

5990

Can A CONTROL BLOCK can sometimes refer to a Basetable ?

1 3744

What do you mean by Checkbox ?

2504

what the List of Values (LOV) supports ?

2 5550

Un-Answered Questions { Databases }

why dont we assign not null constraint as table level constraint.

2797

What is a constant or literal in ms sql server?

1100

What does select count (*) mean in sql?

1075

How to make a copy values from one column to another in mysql?

1076

What, if a table has one column defined as TIMESTAMP?

1079

Compare mongodb and couchdb at high level?

Explain the difference between replace() and translate() functions in oracle?

1086

What is de-normalization and what are some of the examples of it?

1019

How to create a database from my program?

1144

What is view in mysql?

1022

What is cdc in sql server?

1046

who developed informix?

Will you be able to store pictures in the database?explain.

1040

Explain entity type?

1033

How to detect applications and users that hold transactions open too long?

938

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