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

Oracle (3253)
SQL Server (4518)
MS Access (429)
MySQL (1402)

Postgre (483)
Sybase (267)
DB Architecture (141)
DB Administration (291)

DB Development (113)
SQL PLSQL (3330)
MongoDB (502)
IBM Informix (50)

Neo4j (82)
InfluxDB (0)
Apache CouchDB (44)
Firebird (5)

Database Management (1411)
Databases AllOther (288)

Databases Interview Questions

Questions Answers Views Company eMail

What are the drivers in MySQL?

2 1596

How you will Show unique records.

1 1091

What is MySQL?

1 1071

What are the objects can be created using CREATE statement?

1 1058

how to Return total number of rows.

1 1085

What is InnoDB?

1 1177

What are the advantages of MySQL when compared with Oracle?

1 1014

What is the different between NOW() and CURRENT_DATE()?

1 1644

How to represent ENUMs and SETs internally?

1 1193

How to get current MySQL version?

1 1167

What is the usage of ENUMs in MySQL?

1 1214

how we will Show selected records sorted in an ascending (asc) or descending (desc).

1 1059

How can we run batch mode in mysql?

1 1158

Differentiate CHAR_LENGTH and LENGTH?

1 1068

What do you mean by % and _ in the LIKE statement?

1 1059

Un-Answered Questions { Databases }

Why we use the openxml clause?

1065

what ASIS BUSINESS PROCESS IN ORACLE FINANCE

2346

What is current version of mysql?

1067

Suppose database is running slow, what will you do?

2590

Can we make the the chages By Using the Sql if u know any function or process please inform me Actuall result: BRK1 Break 1 Part 1 00:01:00:00 60 BRK1 Break 1 Part 2 00:01:00:00 60 BRK2 Break 2 Part 1 00:01:00:00 60 BRK2 Break 2 Part 2 00:01:00:00 60 BRK2 Break 2 Part 3 00:01:00:00 60 BRK3 Break 3 Part 1 00:01:00:00 60 BRK3 Break 3 Part 2 00:01:00:00 60 Desired O/P: BRK1 Break 1 Part 1 00:01:00:00 60 Part 2 00:01:00:00 60 BRK2 Break 2 Part 1 00:01:00:00 60 Part 2 00:01:00:00 60 Part 3 00:01:00:00 60

2291

Which statement is used in a select query for partial matching?

1239

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

1049

What kind of problems occurs if we do not implement proper locking strategy?

1493

How to Change a users password from unix shell.

1212

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

1110

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?

1905

how to start mysql server? : Sql dba

1258

Explain “row_number()” in sql server with an example?

1069

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

1108

What are the kinds of subquery?

1097

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