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

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Databases Interview Questions

Questions Answers Views Company eMail

what the meaning of sql

8 14913

Hello All, Could any well write a query for the following scenario. Account(table name) No Name Amount 1 ABCD 2000.00 2 DEFG -2000.00 3 GHIJ 3000.50 4 JKLM 4000.00 5 MNOP 6000.00 O/p Should be in this format No Name Credit Debit 1 ABCD 2000.00 0 2 DEFG 0 -2000.00 3 GHIJ 3000.50 4 JKLM 0 -4000.00 5 MNOP 6000.00 o could any one give appropriate query for this Thnks in Advance

Target,

5 7761

Target,

6 8879

suppose there are two textfields t1,t2 in form and we have some value in textfield t1.now the question is that how can we copy the value of the t1 to textfield t2?

Oasis,

2 5590

Hello All, Could any one provide me FAQs/interview questions on oracle PL/SQL

1 3887

what is maximum size of temp db?

iSoft,

4 12043

What is a temp table? how to denote temp table?

Oracle,

4 12234

sequence of firing triggers for text-item is: 1)key_next_item, 2)when_validate_item, 3)post_text_item Now i change sequence of firing triggers like when_validate_item,key_next_item... Is it possible to change sequence? How?

ESS,

1 6402

what is Constraint? How many types of constraints in SQL ?

HCL, IBM, NIIT, Wipro,

38 91501

what r tyhe major differences between oracle 9i & 10g?

6 14786

How we can able to import our own template (users designed MS-Word templates) which has many tabular columns; need to pass some values generate by Oracle-reports9i? Actually need to import more than 400 MS-Word templates into Oracle Reports-9i to minimize layout design in Reports.

1 2309

How to write a script for upate the data in prod , i have 50000 row are there

TCS,

2 5587

Is primary key = unique key,not null? If yes,please explain IF No,please explain

Genpact,

8 18518

how to connect oracle in unix prompt?

Polaris,

4 12891

hi, the following are the outputs of sp_spaceused and sp_tempdbspace sp_spaceused ------------ database size unallocated size tempdb 77752.95 MB 28026.99 MB sp_tempdbspace ------------- database size spaceused tempdb 77752.945312 1.007812 the unused space in sp_spaceused is nearly 28 Gb and in sp_tempdbspace is nearly 76 Gb cany any one explain about this output and why its giving different results.

1 3022

Un-Answered Questions { Databases }

Plz send me Oracle Pl/Sql [1z0-147] dumps to this mail? sivakumarr1987@gmail.com

1896

List out the different types of locks available in sql server?

1045

Can we rollback truncate?

1072

1. Tell me about your self? 2. Latest Project Introduction? 3. Difference between server jobs and parallel jobs? 4. Seq-Seq Explain its behavior and execution mode and which parallelism technique is used? 5. What is padding characters? 6. Seq-Seq, Seq-Copy-Seq which one is the best and efficient? 7. How many reject links do we have to a transformer? 8. How many reject links to join stage? 9. Difference between join and lookup? 10. How to design PX routine? 11. How can we call job in another job? 12. Difference between batch and sequencer? 13. Which Database is used? 14. What is change capture? Give briefing of that? 15. What is change Code? Explain? 16. How you call UNIX in Ds? 17. How do you call JCL in UNIX? 18. How do you pass the job status of one job to another job? Have designed any job sequencer? 19. How do you find a file in existed directory? 20. How can you call parallel jobs in transformer? 21. Execution of jobs in command line? 22. Tuning of sql queries? 23. What is orchestrating metadata? 24. What are junk dimension? 25. What are the third party tools you are used? 26. What are the system variables you have used? IBM 1. What is virtual dataset? 2. How do you handle reject link to a peek stage? 3. What is transaction table? 4. Which one is the efficient from the following? a. ODBC enterprise b. Oracle enterprise 5. How can you extract data from excel sheet? Do you know how to parameterize, this option? 6. Six pages of complex query I have, how do you simplify this query? 7. Difference between dataset and lookup file set?

1982

explain different types of backups avaialabe in sql server? Given a particular scenario, how would you go about choosing a backup plan? : Sql server database administration

1128

What are the types of database explain each of them briefly?

1053

Is there any performance difference between if exists (select null from table) and if exists (select 1 from table)?

1021

What versions of clipper does netlib support?

1086

What are the risks of storing a hibernate-managed object in a cache? How do you overcome the problems?

1190

How can I check that whether automatic statistic update is enabled or not?

1108

1. What is Container? 2. Tell me about your project? 3. Which container you are used in your project? 4. What is Surrogate key? 5. How you are implemented it? 6. Difference between Server job and Parallel job? 7. What is your Target Database? 8. What is Source System? 9. Difference between Join and Lookup? 10. Are you maintaining historical data? What is the logic used to maintained to historical data? 11. Do you have documents for mapping?

1844

You have a stored procedure, which execute a lengthy batch job. This stored procedure is called from a trigger you do not want to slow the data entry process you do not want trigger to wait for this batch job to finish before it completes itself what you can do to speed up the process?

1207

how to escape special characters in sql statements? : Sql dba

1110

What is the difference between for xml raw and for xml auto?

1112

What is temporary table in sql server? Why we use temp table?

1012

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