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Databases Interview Questions
Questions Answers Views Company eMail

One table how may column and Primary key

 3 4118

How to update salary of employees department wise?

 6 13232

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

 2 5563

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 9672

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

 3 6152

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

 1786

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

 1839

Psudo colums

HP,

1 3667

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

IBM,

2 5362

how to call forms in parametar forms

 2 5014

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 4026

How to get second highest salary from a table

 3 5980

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 6144

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

CTS,

1 3787

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 4859

Un-Answered Questions { Databases }

How to lock records in a table?

522

Is sql a dbms?

530

What is an Oracle Instance?

685

What are scheduled tasks in sql server?

545

What is the timestamp datatype in sybase?

466




What do you understand by the term 'normalization'?

284

How do you modify a column in sql?

532

What is on delete set null?

563

What do you mean by merge in oracle and how can you merge two tables?

522

What is the use of lockboxes? Steps for lock box : oracle accounts receivable

723

How can you import tables from a sql file into a database by using the mysql client?

540

How can we find out which auto increment was assigned on Last insert?

624

Can mysql handle billions of records?

483

How do I start mongodb?

1

Does postgres automatically index primary key?

421

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