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Databases Interview Questions
Questions Answers Views Company eMail

What are the different types of cursor?

HCL,

1 1159

How would you retrieve Unique rows from table without using UNIQUE and DISTINCT keyword?

Genpact,

2 3269

What is BLOCK statements in SQL?

HCL,

1 1321

Explain the difference between delete,drop and truncate in SQL Server?

HCL,

1 1172

Stored Procedure returns data from multiple tables. How to access it in your ASP.Net code?

HCL,

1 1129

What the difference between UNION and UNIONALL?

HCL,

1 1097

What is BCNF? How is it better than 2NF & 3NF?

Essar,

1 1075

Why I have to use stored procedures?

Cognizant,

1 1098

What is PROJECTION Operation?

Infosys,

1 1086

Where are SQL server users names and passwords are stored in sql server?

HCL,

1 1343

What is the importance of three tier architecture?

QuestPond,

1 1153

What is the difference between functions and scalar functions?

EXL,

1 1304

How to call a function from a stored procedure in SQL Server ?

HCL,

1 1091

What is 'Join' and explain its various types.

Genpact,

1 1221

What do you do in data exploration

EXL,

1 1060


Un-Answered Questions { Databases }

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

1097


What is current version of mysql?

1057


what ASIS BUSINESS PROCESS IN ORACLE FINANCE

2335


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

2285


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

1001


How to convert character strings into numeric values?

1170


What is the primary use of the model database?

1141


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?

1899


Can delete statement be rollbacked?

1038


If you're given a raw data table, how would perform etl (extract, transform, load) with sql to obtain the data in a desired format?

1034


what is the difference between openrowset and openquery?

1174


What is the current mysql version?

1082


How to provide default values to function parameters?

1235


What are the two main functions of queries in databases?

1513


What is a view in sql?

1033