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database switch

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Topic

pnpsql
Posting Yak Master

246 Posts

Posted - 2013-02-01 : 06:29:01

hi team,

i have used 5 database in my application.

now there are two sets of databases say first is of dec month and second is of nov month

i have only one system and i want switch over both databses sets without dettaching other, because the switchich is freuent

challenge everything

visakh16
Very Important crosS Applying yaK Herder

52326 Posts

Posted - 2013-02-01 : 06:37:45

your explanation doesnt make any sense. switch database where? what determines which db to be used? do you've a parameter?

------------------------------------------------------------------------------------------------------
SQL Server MVP
http://visakhm.blogspot.com/

pnpsql
Posting Yak Master

246 Posts

Posted - 2013-02-01 : 08:26:42

sorry for incomplte details,

i mean to say that

i have two folders on my system dec_database_bkp and jan_database_bkp

each folders contains 5-5 databases with same name only transaction data are diffrent.

i want to connect ssms first with dec_database_bkp and in between i want to conect ssms with jan_database_bkp
without deattaching databases. i am nalysing and fixing some data issue sor i want this.

challenge everything

James K
Master Smack Fu Yak Hacker

3873 Posts

Posted - 2013-02-01 : 09:01:47

You can attach both databases to the same server (with different names) and then query against both databases using the 3-part naming convention. For example, you would write queries such as:

SELECT
	customerid,
	lastname
FROM
	dec_database_bkp.dbo.Customers
UNION 
SELECT
	customerid,
	lastname
FROM
	jan_database_bkp.dbo.Customers

You can do similar things for joining tables, views etc. as well.

pnpsql
Posting Yak Master

246 Posts

Posted - 2013-02-01 : 10:24:43

hi vishak, any better clue.

challenge everything

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