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

One table how may column and Primary key

3 5348

How to update salary of employees department wise?

6 15187

what are the methods using performance tunning in sql and pl/sql

2 6625

i have a table like this. i want to output like this c1 c2 c1 c2 1 10 1 10 2 20 2 30 3 30 3 60 4 40 4 100 5 5 5 105 c1 and c2 are columns in a table .i want output like this c2 values are 10,10+20,10+20+30,10+20+30+40.10+20+30+40+5. write a sql query.pls help this i want urgent.

IBM, Loginworks, OFSS,

2 10654

How do you display "13th of November, 17 days left for month end" without hardcoding the date.

3 7357

How do you use collections in procedure to return the resultset?

2238

Which is the best institute in Hyderabad to learn OBIEE and DataStage?Please tell me faculty name also

2264

Psudo colums

HP,

1 4559

how will you see when the database was started using sql prompt?

IBM,

2 6598

how to call forms in parametar forms

2 6091

how to create parameterised form in oracle 10g? and create another form from the value of the form? AND how to assign value to a parameter? sincerly your mamun

2 4877

How to get second highest salary from a table

3 7167

How can i retrieve the pseudoColumn values of a table in sybase? In oracle, we can get the same as 'ROWID'. Likewise in sybase which one is pseudo column?

1 6827

In TeraData We have 5 SQL queries, without using BTEQ how can we execute those queries?

CTS,

1 4825

If we execute an query in MLOAD it's ran successfully, my questions is after successfully ran MLOAD. In error tables we can see anything there! is it possible than what are they?

CTS,

3 6148

Un-Answered Questions { Databases }

Can mysql store files?

925

What is PL/SQL Records?

1189

What is an Oracle Instance?

1121

How to create temporary table in postgresql?

828

What is sql server used for?

1048

Why do we need connection pooling?

801

How to define default values for formal parameters?

1044

What is page in sql server?

947

Define phantom deadlock.

1016

How to pipe multiline string to isqi?

What is a performance monitor?

976

What are the acid properties?

1005

How to run sql statements through the web interface?

1040

what types of replication are supported in sql server? : Sql server database administration

1044

Which sql server table is used to hold the stored procedure scripts?

1061

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