Databases Interview Questions
Questions Answers Views Company eMail

Explain about ur projets on teradata???

Wipro,

696

what is checksum in sql server.........???

TCS,

451

what is try_catch block in procedure

497




how to retrieve data from different tables ,place this data in different excel worksheets.

Gap Inc,

1 665

in a table is b in column k (manikanta,sivananda,muralidhar) i want result like (mnikanta,sivnanda,murlidhar) please slove it

366

What is AUTH_ID and AUTH_USER in pl/sql ?

INDUS,

691

how can you select rexcord(rows) from table A which is not present in Table B . Id being the FK in Table B referencing to ID Table A

United Healthcare,

433

----> There is a table T with two columns C1 and C2. The data is as below: C1 C2 1 4 2 5 3 6

ICICI,

3 1043

how to write customizations in po

Ernst Young,

449

Easy way to convert tableau "IF - ELSEIF" statements to Netezza "CASE" statements.

CTS,

1 569

Write a sql to print only character form the below string. @So&*CIE%$TE@GEN!@RAL

Societe Generale,

1 1319

how to handle exceptions in post production

279

what is mySQL. Is there any specific qualification required to do this course ? What is the scope in India after doing mySQL

376

What is Lock table in SQL?

Wipro,

334

How to get maxsal , minsal, ename department wise in single query

309







Un-Answered Questions { Databases }

Hi , any one can help me on the same,this is regarding the Informatica Function doc,i want to know how developer is will develop the mapping. pl forwar the any function doc .just for my references. svlc75@yahoo.co.in

979


Write a query to genarate target column.Please answer me. Advance Thanks. Src Tgt Q10 Quarter to 2010 Q90 Quarter to 1990 Q80 Quarter to 1980 Q74 Quarter to 1974

5906


If user is owning any SQL Objects, can we drop that user

906


1. How many nodes you are using project? 2. What is configuration file? 3. What is modules partition? How it is work in project? 4. What is Environment Variable? How it is use? 5. What is sequence? 6. How do you execute parallel jobs in projects? 7. If you run a job in job sequencer individually without any comments? 8. How many jobs did in your project? 9. How to schedule the job in Data stage 7.5 X2? 10. If you have 10 jobs in PX2, shall you run all jobs at a time? 11. I have 5 jobs (1-5), I connect with each other, but I want to run from 3-5 only how? 12. What is same partition? 13. If you have 40GB hard disk in I have 30GB data how I configure the nodes for partition? 14. Did you write any code for Data stage project? 15. Did you write any code for parallel job execution in your project? 16. Will you schedule all jobs at a time? 1. What are environment variable, job parameters? 2. What is the relationship between the tables in oracle? 3. How can u create the sequence? 4. What are the client components? 5. Tell me about the Data stage administrator? 6. Tell me about the Data stage Manager? 7. What is joining? 8. What is difference between grep command and fgrep command? 9. What is run time column propagation? 10. How to open the file? 11. How do you cleanse the data in your project? 1. Using which stage raw binary converted into dataset? 2. Which stage is used to read the data into external application? 3. Can we convert dataset into raw binary 4. XML path? 5. When we use the hash partition in aggregator stage? 6. How many reject links in transformer stage? 7. Data stage debugger available in which jobs? 8. Tell me two parts of data set? 9. What is the function used for null handling in modify stage? 10. Default execution mode for exception handler? 11. Maximum exception handler allowed in sequence?

2352


what is insert all statement in sql

4108






If i can use sys.check_constraints to display my constraints from my database using sql server 2005, how can i display then if i am using sql server 2000????

2918


can we use transformer in datastage without any input link?

789


how to convert .db (extention) database file into .dmp (extention ) for oracle database ?

1248


what is the difference between LENGTH AND SIZE?

1574


Is there any link between pr form(purchse requisition)and po form(purchase order)

1135


what are the advantages of running a database in archive log mode?

1138


what are parameter, we can check after creating a database in terms of QC and for each tables what should be the parameters for QC and QA?

1590


What is built_in Subprogram ?

1570


How can set the multipal database ?

1781


sparse lookup and where its options we find in OCI and db2?

1085