Databases Interview Questions
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Excellent job opening with one of our client in Hyderabad About Client : It is an American e-commerce company based in Seattle, Washington, a leading online retailer of products that inform, educate, entertain and inspire.

1 2395

Hi Team, This is kartik, I recently completed my B-tech. Importance of posting this question is for to know the best books on SQL(MYSQL/Oracle)? I like SQL concept's so much, at the same time i decided to choose SQL for my career purpose. So please suggest me the best books that are very helpful for a fresher to improve concepts like (SQL/PLSQL)Basics, programming concepts, architectures etc. Please consider my request as an important one. I am very thankful to you for providing this opportunity. If possible can you please send the names of books for my personal id also: karthikgdv1206@yahoo.com. Thanks, Kartik T

1733

SELECT ROUND(TRUNC(MOD(1600,10),-1),2) FROM dual;

10 73948

How can I create a table from another table without copying any values from the old table?

8 10683

What is the disadvantages of index?

TCS,

3 7319

in table there r so many rows write a query which two rows r updated last two day befor?

Exilant,

3 8902

Hi All, I want to display all duplicate records in the table. My query has to fetch all the records which are duplicate(First Name or Last Name). Also I want the ability to also pull names where there might be a middle initial placed in the end of the first name field, (i.e., "Maria Z. " vs. "Maria") as well. Please guide me to find this. Table: ID FirstName LastName 1 Zach H Hoffman 2 Zach Hoffman 3 Troy Hoffman 4 Shawn Livermore 5 Prem S 6 Jony Hoffman H 7 Zach Modan I need the query to filter......... ID FirstName LastName 1 Zach H Hoffman 2 Zach Hoffman 3 Troy Hoffman 6 Jony Hoffman H 7 Zach Modan I hope this example will give you clear idea..... Thanks in Advance Prem

2 3636

How to remove duplicate rows from a table?.

3 6759

There is a table, In one column it has implemented a index, but the index is disturbed by the regular dml statements.. but still we need to keep the index. how it is possible?

Cognizant,

1 5705

Suppose I have to create a view on a table, that is not yet been created by DBA. I khow the table structure. Is it possible to create the view before DBA creates this table? If yes then how? Is it possible to create synonym in this way?

IBM, Metric Stream,

4 11110

select names starts with a,b,c

Scope International,

8 10717

1)how to Take Backup in sql server 2005 from Flash Drive

1 2527

I have one table,in that table (1)i have java1.1 version books are 2 and java1.5 version books are 4. (2).Net2.0 books are 3, .Net3.5 books are 2 (3)ABC1.6 books are 4, ABC2.0 books are 3. Now i want output is like Book Count Java 6 .Net 5 ABC 7 For this i need sql query, please help me if anyone how to get this result. Thanks, Seenu

Adea,

4 5387

How to convert a table data in XML format in sql server?

2108

how to do partition in sqlserver

TCS,

1962


Un-Answered Questions { Databases }

What is Relationship type?

525


Explain the various types of normalization.

637


What is the purpose of sql profiler in sql server?

507


Which table is left in join?

511


What is instead of trigger sql server?

491






Explain the commands in sql server?

538


What do you understand by recursive stored procedure?

508


What does select count (*) mean in sql?

534


How to handle bulk data?

885


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

452


Why is sql better than hql?

498


Is sybase a database? Explain.

471


What is the difference between sql server 2000 object owner and sql server 2005 schema? : sql server database administration

577


What is set operator oracle?

516


Can %notfound return null after a fetch?

579