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

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Database Management (1411)
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Databases Interview Questions

Questions Answers Views Company eMail

How to create lov dynamically at runtime & attach to text field?

1 1263

Difference between hot backup vs. Cold backup?

1 1079

How can we force the database to use the user specified rollback segment?

1 1225

What is a trace file and how is it created in oracle?

1 1185

What do you mean by redo log file mirroring?

1 1108

Explain the use of compress option in exp command.

1 1106

Explain the use of parfile option in exp command.

1 1182

Explain the use of log option in exp command.

1 1232

Use of an integrity constraint is better to validate data. Explain

1 1130

Explain the importance of .pll extension in oracle?

1 1100

Explain the use of indexes option in exp command.

1 1253

When do you get a .pll extension in oracle?

1 1234

Can we protect our pl/sql source code?

1 1112

What is analyze command used for?

1 1158

What is merge statement used for?

1 1105

Un-Answered Questions { Databases }

List the ways in which dynamic sql can be executed?

1085

What are the two main functions of queries in databases?

1530

how to start mysql server? : Sql dba

1266

If any stored procedure is encrypted, then can we see its definition in activity monitor?

1068

How to define array in mongoose schema?

Why and when do stored procedure recompile?

1056

How can you append an identity column to a temporary table?

1069

How do I find the sql server version?

1101

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?

1986

What is clustered index

1085

what is the difference between openrowset and openquery?

1191

How to select all columns of all rows from a table in oracle?

1126

What is an indexed view?

1021

Can we rollback truncate?

1074

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

1112

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