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Databases Interview Questions
Questions Answers Views Company eMail

How to create DSN..Explain?

Accenture, BeBo Technologies, Infosys,

2 35928

What is the difference between SQL, DDL, and DML?

BeBo Technologies, Wipro,

7 74480

What are inner join and outer join?

3 25753

What are joins..how many types of joins are there?

Amdocs, CSC, TCS,

29 98698

what are Triggers?

TCS,

7 28832

what are stored procedures?

TCS, Wells Fargo,

7 27304

what are indexes..how many types of index's are there and what are they?

Green Info Solutions, TCS,

7 31955

what are views?

TCS,

8 35403

what is web server?

Satyam,

3 25930

What are functions

3 23097

What are the different table present in MYsql?

3 25926

What is the difference between mysql_fetch_array and mysql_fetch_object?

CTS,

4 26729

what is the difference between oracle 81,91,11i

i2, Oracle,

2 31191

How client makes connection with server in client/server architecture?

CA,

1 17916

Is Oracle 7.3 is a single user or multi user..Is it possible to use this as a backend for web applications?

2 6913


Un-Answered Questions { Databases }

Does view occupy space?

1018


Can one drop a column from a table?

1086


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?

2564


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

2090


What is the primary use of the model database?

1147


explain different types of backups avaialabe in sql server? Given a particular scenario, how would you go about choosing a backup plan? : Sql server database administration

1132


Have you created fact table and dimension tables?

710


Who proposed the relational model?

1029


Please send me Informatica 8.1 certification dumps, my mail id mona85gupta@gmail.com

1955


List the ways in which dynamic sql can be executed?

1085


what is bcp? When does it used? : Sql dba

1055


You have a stored procedure, which execute a lengthy batch job. This stored procedure is called from a trigger you do not want to slow the data entry process you do not want trigger to wait for this batch job to finish before it completes itself what you can do to speed up the process?

1212


Where can you add custom error messages to sql server?

1207


Is primary key clustered index?

1018


How to remove duplicate rows from table except one?

1087