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Databases Interview Questions
Questions Answers Views Company eMail

write a procedure to find top second no from a list of numbers

ABC,

1 4647

Difference between aggregate function and analytical function?

Metric Stream,

3 31674

Difference between NVL, NVL2 and NULLIF

CTS, Metric Stream,

1 36999

how to declare unique key in creating a table..?

2 6526

What is diff between bulk collect and forall

Metric Stream,

3 28065

Main diff between varray and nested tablea

Polaris, TCS,

3 10237

Whate is use of MOD function in pl/sql.

Oracle,

3 7769

IF EMP HAS 2 ROWS,DEPT HAS 4 ROWS.WHATS THE RESULT OF SELECT * FROM EMP,DEPT;

1 5604

How to execute multiple sql statements in a single annonymous block irrespective of the sql statement result?

2 5117

In a table i have columns A,B,C and i have a composite index on columns A,B if so will the following query uses index or not? SELECT sal,name FROM WHERE A= AND B= AND C=;

Mastek,

2 5672

what is the difference between trigger and constraint?

HSBC,

3 9223

wHat Is THE difference between MOVEL and MOVEL(P)……….. CAN ANYONE EXPLAIN ME..

1 3241

HOW WE PASS PARM PARAMETERS TO CL VARIABLES FROM RPGLE?

1 2754

WHAT IS NEED BY METION DATFMT AND TIMFMT IN H-SEPICITION IN RPGLE?

1 3066

HOW PASS PARAMETERS FOLLOWING ORDER RPG-CL-RPG?

1 2549


Un-Answered Questions { Databases }

What is an indexed view?

1038


What is the current version of postgresql?

1191


What is the difference between upgrade and migration in sql server?

1196


what is dbms? : Sql dba

1073


Can one drop a column from a table?

1101


How can we solve concurrency problems?

1133


Why use identity in sql server?

1213


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?

1997


define sql insert statement ? : Sql dba

1111


How to convert numeric expression data types using the cast() function?

1160


What is sql or structured query language?

1239


What is clustered index

1101


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?

1856


what is spatial nonclustered index

1070


what is bcp? When does it used? : Sql dba

1066