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Databases Interview Questions
Questions Answers Views Company eMail

What are the different ddl commands in sql?

1 1279

What are the different tcl commands in sql?

1 1261

What are the different dml commands in sql?

1 1289

What are sql constraints?

1 1242

What are aggregate functions in sql?

1 1244

What is the difference between rename and alias?

1 1424

List out the acid properties and explain?

1 1043

What are the different types of sql commands?

1 1211

What are the popular database management systems in the it industry?

1 1059

Explain what is a database?

1 1157

Explain what is an index?

1 1129

What is the difference between unique and primary key constraints?

1 1141

What is the use of nvl function?

1 1262

How many types of privileges are available in sql?

1 1434

What is the difference between clustered and non-clustered indexes?

1 1159


Un-Answered Questions { Databases }

How to put more than 1000 values into an oracle in clause?

1110


How to enter binary string literals in ms sql server?

1235


What is current version of mysql?

1071


How to remove duplicate rows from table except one?

1081


in user parameter property we have list of values.can we write select query for binding? for example:: select empno from emp where deptno=:deptnum :deptnum is first parameter it displays distinct dept nos. if i do like this it is giving error:: bind variables are not allowed in the select statement

2209


8. Sort, Lookup What kind of technique (partition) is used? 9. How can you handle exceptions in job sequencer? 10. How do you apply custom conditions an exceptions (How do you trigger exceptions in job sequence?) 11. I have a job with 3 possibilities? Finish with ok…..Abort…….Warning} How do you handle these in Job sequencer 12. How do you connect both OK and Warning can we? 13. How to find which process is running currently? 14. How do you find the disk usage in UNIX? 15. How do you combine 2 sequential files having same metadata of same file names? 16. How do you implement SCD in Ds? 17. Explain the situation where you have applied? 18. How do you apply new changes to? 19. Difference between change capture and Change apply? 20. Explain Compare Stage? 21. What is Surrogate key? 22. How to solve the problem of null values?

1901


Does view occupy space?

1005


What is an indexed view?

1018


Is there some bulk load or other way to import a lot of data fast?

931


Can you tell me about your experience with the administration of COTS system..? Also, how do you set up seed data..?

2702


do you know how to configure db2 side of the application? : Sql server database administration

1117


Hi am new to PLSQL & facing problems in writing code like in SP, Functions, so any one having some SP coding with in depth explanation please share with me my Email ID suvarnaatsuvarna@rediffmail.com Or taking tanning on this please do contact me

2088


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?

1041


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

1021


This question asked during interview, 2) At the end of each month, a new table is created for each bank that contains monthly metrics consolidated at the account level. The table naming convention is bankX_YYYYMM where X represents the numeric designation of the bank and YYYYMM indicates the 4 digit year and 2 digit month. The tables contain the following fields: name data type description account text account number registered boolean indicates whether the account is registered num_trans integer number of transactions made during the time period spend numeric(9,2) total spend during the time period a) Write a SQL query that will display the total number of transactions and total spend for "Bank1" during the 4th quarter of 2009. b) Write a SQL query that will display the total number of transactions and total spend at "Bank1" and "Bank2", broken out by registered vs. non-registered accounts, during January 2010 not sure what is correct answer and how to solve?

2557