Databases Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Oracle (3259)
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

How to perfor If the table running time is taking 2hours and table is having 10 rows in it?

1 3782

If we shrink the Databse and Files, how much size is decreased?

TCS,

1 3770

What will you do If the low Performance occurs?

2 4235

Explain Capacity planning to create a database? and how to monitor it?

4211

hello..... i am an comp science engineering graduate planning to do ORACLE certification in PLSQL 9i. just wanted to know whats the possibility getting job is their openings???? is it worth doin that course n certification

1 2736

In PHPmysql language how can we update our previous information.when update form open then we get our previous information in textbox,checkbox,selct,radio button.How can we show the information in checkbox,select menu,radio button which is available in database?

2141

what is the Surrogate key?and wt is the diff between Primary key and Surrogate Key?

2 8301

how we can use a database with php.

HCL, IT Solution,

2 4235

How retrieve field names from the table in SQL through JAVA code?

1921

what is the maximum size of a row in sql server 2000 and 2005

2 4917

what is bit data type? and what are the information that can be stored inside a bit column?

2 4445

what are default? Is there a column to which a default cant be bound?

1 3362

what purpose does OPENXML clause have in sql server stored procedure?

1 5612

what is the signification difference of this bit data type between sql 6.5 and later version sql server?

1 3747

can we create relastionship bet 2 tables in ms-access

2 6167

Un-Answered Questions { Databases }

How to create a view on an existing table in ms sql server?

1137

Explain the term ‘relations’?

895

What are the general features of sql server management studio? : sql server management studio

1089

Is mongodb open source?

Does vacuum full reindex?

834

what are the oracle forms services components include?

1039

What is the difference between char and varchar?

1199

Why do you want to join software field as you have done your BE in Electronics?

2156

What is structural independence and why is it important?

1042

What is a covered query in mongodb?

Which datatype is used for email in mysql?

971

What is model database in sql server?

1062

How do I modify a table in postgresql?

896

Is left join faster than join?

1061

What is triggers and how it can be used in mysql?

981

For More Un-Answered { Databases } Questions Click Here