Databases Interview Questions
Questions Answers Views Company eMail

Can somebody helps me to arrange these into ascending order depending on their sizes: 1)OLTP 2)ODS 3)DWH 4)DATA MART

Wipro,

2 5395

What is the maximum number of triggers,can apply to a single table?

2 8323

What packages(if any) has oracle provided for use by developers?

1 5338

What's dateware house and what's clustor with practicle example

1898

what's query optimization and without use of IN AND Exist can we get another way data from query

1892

What is tablespace in oracle? how can we create? how is it manage? . . . Thnx 2 All in Advnc....:)

3 4467

Simple example for difference between select and cursor in sql

1 4077

can we drop dual table

Metric Stream,

7 14872

25.67,-1 Trunc = 20 Round= 30 HOW????

Karrox,

2 7166

I want to make a query where I want to eliminate the duplicate rows from the table. For example : Input : Table : NAME Column1 Column2 India USA USA India UK India India UK The desired output that I want to eliminate the duplicates Output India USA UK India Thanks

Sun Life,

2 4681

i have a customer table. trans_id trans_date trans_amt debit_credit_indicator 001 01-JAN-13 1099 cr 001 12-JAN-13 500 db 002 24-FEB-13 400 db 002 23-MAR-13 345 cr 001 18-APR-13 800 cr 002 15-MAR-13 600 db 001 12-FEB-13 200 cr i want like this output. trans_id trans_amt debit_credit_indicator i want get highest credit amount and lowest credit amount and highest debit amount and lowest debit amount for each trans_id.

Oracle,

2 5629

trans_id trans_date trans_amt debit_credit_indicator 001 01-JAN-13 1099 cr 001 12-JAN-13 500 db 002 24-FEB-13 400 db 002 23-MAR-13 345 cr 001 18-APR-13 800 cr 002 15-MAR-13 600 db 001 12-FEB-13 200 cr i want like this output trans_id trans_date trans_amt debit_credit_indicator 001 JAN 1599 cr no.of trans 2 i want trans_id and trans_date like 'JAN' or 'FEB' etc, trans_amt i want all credit amount - debit amount per each trans_id. and debit_credit_indicator and no.of transactions in a month.

Oracle,

1 4951

I Have A Table Like This. Cityno Cityname Mails 1 Bangalore 8km 2 Hsr Layout 20km 3 Mejistic 30km 4 Jayadeva 55km 5 Itpl 80km 6 Hebbal 115km I Have Data Like This I Want O/p Like This Distance No.ofcity 0-50km 3 51-100km 2 101-150km 4 And So On

DELL, HCL, Oracle,

6 12209

i have a customer table. trans_id trans_date trans_amt debit_credit_indicator 001 01-JAN-13 1099 cr 001 12-JAN-13 500 db 002 24-FEB-13 400 db 002 23-MAR-13 345 cr 001 18-APR-13 800 cr 002 15-MAR-13 600 db 001 12-FEB-13 200 cr i want like this output. trans_id trans_amt debit_credit_indicator i want get highest credit amount and lowest credit amount and highest debit amount and lowest debit amount for each trans_id. pls give me answer. i want urgent

3 5423

i have a table like this. cityno cityname mails 1 BANGALORE 8KM 2 HSR LAYOUT 20KM 3 MEJISTIC 30KM 4 JAYADEVA 55KM 5 ITPL 80KM 6 HEBBAL 115KM I HAVE DATA LIKE THIS I WANT O/P LIKE THIS DISTANCE NO.OFCITY 0-50KM 3 51-100KM 2 101-150KM 4 AND SO ON pls give me answer. i want urgent

6 7633


Un-Answered Questions { Databases }

Which function is used to create an index?

5


What are the different types of dbms?

737


What is row_number () in sql?

739


Mention how oracle flex asm works?

1


What is explicit cursors?

746


Which is better mysql or ms access?

617


What are the fixed server level roles? : sql server security

775


What is dynamic schema in mongodb?

5


How to call a javascript function from pl sql?

779


What is vector point function?

781


How do I become a data manager?

346


Explain what are the uses of rollback segment?

769


How many triggers can be applied on a table?

681


What is a constant or literal in ms sql server?

800


How will you write a query to get a 5th rank student from a table student_report?

1646