change the default database

Question

change the default database

Steve Jones - SSC Editor

SSC Guru

Points: 736212
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September 4, 2013 at 11:11 am

#298530

Show how to change this, in T-sql and ssms, for a login. Say a sysadmin to get them out of master.

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Sean Lange SSC Guru Points: 286590 More actions · Answer 1

This isn't exactly worth an article. It is nothing more than a single command (t-sql) and a single screen shot to use the UI.

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Cross Tabs and Pivots, Part 1 – Converting Rows to Columns - http://www.sqlservercentral.com/articles/T-SQL/63681/
Cross Tabs and Pivots, Part 2 - Dynamic Cross Tabs - http://www.sqlservercentral.com/articles/Crosstab/65048/
Understanding and Using APPLY (Part 1) - http://www.sqlservercentral.com/articles/APPLY/69953/
Understanding and Using APPLY (Part 2) - http://www.sqlservercentral.com/articles/APPLY/69954/

markjholmes Old Hand Points: 309 More actions · Answer 2

This seems simple enough to be a good starting point for me to contribute to the SSC community.

I can take this one, Steve, if you'd like.

Sean: I think even basic articles have value; we have so many people worldwide seeking the most basic of basic knowledge.

Sean Lange SSC Guru Points: 286590 More actions · Answer 3

markjholmes (9/4/2013)
This seems simple enough to be a good starting point for me to contribute to the SSC community.
I can take this one, Steve, if you'd like.
Sean: I think even basic articles have value; we have so many people worldwide seeking the most basic of basic knowledge.

I absolutely agree that basic knowledge is important to share. The topic and the information is extremely valuable (especially when you need to know the answer right now because production is having issues). I was merely asking if this topic is large enough for even a spackle, let alone an article.

_______________________________________________________________

Need help? Help us help you.

Read the article at http://www.sqlservercentral.com/articles/Best+Practices/61537/ for best practices on asking questions.

Need to split a string? Try Jeff Modens splitter http://www.sqlservercentral.com/articles/Tally+Table/72993/.

Cross Tabs and Pivots, Part 1 – Converting Rows to Columns - http://www.sqlservercentral.com/articles/T-SQL/63681/
Cross Tabs and Pivots, Part 2 - Dynamic Cross Tabs - http://www.sqlservercentral.com/articles/Crosstab/65048/
Understanding and Using APPLY (Part 1) - http://www.sqlservercentral.com/articles/APPLY/69953/
Understanding and Using APPLY (Part 2) - http://www.sqlservercentral.com/articles/APPLY/69954/

Steve Jones - SSC Editor SSC Guru Points: 736212 More actions · Answer 4

It absolutely is. How many people do you think don't know where to check this? Don't recognize the error? It's not long, but it is worth a few paragraphs, the code, and some images.

I would probably do it in 30 minutes tops, but wanted to offer it out there.

There are lots of people that don't understand what this means or how to fix it.

Jeff Moden SSC Guru Points: 1004340 More actions · Answer 5

In that case, I think Mark should write it and Sean, being a new member of the 10K club, should review it and help guide Mark to his first "Spackle" article.

What say yea Gentlemen? 🙂

--Jeff Moden

RBAR is pronounced "ree-bar" and is a "Modenism" for Row-By-Agonizing-Row.
First step towards the paradigm shift of writing Set Based code:
________Stop thinking about what you want to do to a ROW... think, instead, of what you want to do to a COLUMN.

Change is inevitable... Change for the better is not.

Helpful Links:
How to post code problems
How to Post Performance Problems
Create a Tally Function (fnTally)

Sean Lange SSC Guru Points: 286590 More actions · Answer 6

Jeff Moden (9/5/2013)
In that case, I think Mark should write it and Sean, being a new member of the 10K club, should review it and help guide Mark to his first "Spackle" article.
What say yea Gentlemen? 🙂

Sure I'm good with that. Good idea Jeff.

_______________________________________________________________

Need help? Help us help you.

Read the article at http://www.sqlservercentral.com/articles/Best+Practices/61537/ for best practices on asking questions.

Need to split a string? Try Jeff Modens splitter http://www.sqlservercentral.com/articles/Tally+Table/72993/.

Cross Tabs and Pivots, Part 1 – Converting Rows to Columns - http://www.sqlservercentral.com/articles/T-SQL/63681/
Cross Tabs and Pivots, Part 2 - Dynamic Cross Tabs - http://www.sqlservercentral.com/articles/Crosstab/65048/
Understanding and Using APPLY (Part 1) - http://www.sqlservercentral.com/articles/APPLY/69953/
Understanding and Using APPLY (Part 2) - http://www.sqlservercentral.com/articles/APPLY/69954/

Jeff Moden SSC Guru Points: 1004340 More actions · Answer 7

Mark, meet Sean. Sean, meet mark. 🙂

Mark... you're on. 🙂

--Jeff Moden

RBAR is pronounced "ree-bar" and is a "Modenism" for Row-By-Agonizing-Row.
First step towards the paradigm shift of writing Set Based code:
________Stop thinking about what you want to do to a ROW... think, instead, of what you want to do to a COLUMN.

Change is inevitable... Change for the better is not.

Helpful Links:
How to post code problems
How to Post Performance Problems
Create a Tally Function (fnTally)

Michael Valentine Jones SSC Guru Points: 64818 More actions · Answer 8

It might be more valuable if you explained the implications of changing the default database, and especially the disadvantages of having a default database that is not master for an admin login.

Other wise, the article could be one line:

exec sp_defaultdb N'MyDomain\MyLogin', N'MyDatabase'

Sean Lange SSC Guru Points: 286590 More actions · Answer 9

Michael Valentine Jones (9/6/2013)
It might be more valuable if you explained the implications of changing the default database, and especially the disadvantages of having a default database that is not master for an admin login.
Other wise, the article could be one line:
exec sp_defaultdb N'MyDomain\MyLogin', N'MyDatabase'

Thanks for validating that this really does deserve an article. That proc is deprecated in favor of ALTER LOGIN. 😀

_______________________________________________________________

Need help? Help us help you.

Read the article at http://www.sqlservercentral.com/articles/Best+Practices/61537/ for best practices on asking questions.

Need to split a string? Try Jeff Modens splitter http://www.sqlservercentral.com/articles/Tally+Table/72993/.

Cross Tabs and Pivots, Part 1 – Converting Rows to Columns - http://www.sqlservercentral.com/articles/T-SQL/63681/
Cross Tabs and Pivots, Part 2 - Dynamic Cross Tabs - http://www.sqlservercentral.com/articles/Crosstab/65048/
Understanding and Using APPLY (Part 1) - http://www.sqlservercentral.com/articles/APPLY/69953/
Understanding and Using APPLY (Part 2) - http://www.sqlservercentral.com/articles/APPLY/69954/

Michael Valentine Jones SSC Guru Points: 64818 More actions · Answer 10

Sean Lange (9/6/2013)
Michael Valentine Jones (9/6/2013)
It might be more valuable if you explained the implications of changing the default database, and especially the disadvantages of having a default database that is not master for an admin login.
Other wise, the article could be one line:
exec sp_defaultdb N'MyDomain\MyLogin', N'MyDatabase'
Thanks for validating that this really does deserve an article. That proc is deprecated in favor of ALTER LOGIN. 😀

You could just change the article to:

-- Works with any version

exec sp_defaultdb N'MyDomain\MyLogin', N'MyDatabase'

-- Works with SQL 2005 and later

ALTER LOGIN [MyDomain\MyLogin] with DEFAULT_DATABASE = [MyDatabase] ;

Sean Lange SSC Guru Points: 286590 More actions · Answer 11

Michael Valentine Jones (9/6/2013)
Sean Lange (9/6/2013)
Michael Valentine Jones (9/6/2013)
It might be more valuable if you explained the implications of changing the default database, and especially the disadvantages of having a default database that is not master for an admin login.
Other wise, the article could be one line:
exec sp_defaultdb N'MyDomain\MyLogin', N'MyDatabase'
Thanks for validating that this really does deserve an article. That proc is deprecated in favor of ALTER LOGIN. 😀
You could just change the article to:
-- Works with any version
exec sp_defaultdb N'MyDomain\MyLogin', N'MyDatabase'
-- Works with SQL 2005 and later
ALTER LOGIN [MyDomain\MyLogin] with DEFAULT_DATABASE = [MyDatabase] ;

Which was exactly why I asked in my first post if it was enough of a subject. I think a few paragraphs explaining what happens to a login when the default db has been dropped etc could prove to be pretty useful. Just have to think a bit past the exact syntax and explain the why you would need it.

_______________________________________________________________

Need help? Help us help you.

Read the article at http://www.sqlservercentral.com/articles/Best+Practices/61537/ for best practices on asking questions.

Need to split a string? Try Jeff Modens splitter http://www.sqlservercentral.com/articles/Tally+Table/72993/.

Cross Tabs and Pivots, Part 1 – Converting Rows to Columns - http://www.sqlservercentral.com/articles/T-SQL/63681/
Cross Tabs and Pivots, Part 2 - Dynamic Cross Tabs - http://www.sqlservercentral.com/articles/Crosstab/65048/
Understanding and Using APPLY (Part 1) - http://www.sqlservercentral.com/articles/APPLY/69953/
Understanding and Using APPLY (Part 2) - http://www.sqlservercentral.com/articles/APPLY/69954/

markjholmes Old Hand Points: 309 More actions · Answer 12

Yup, it looks like this is a topic of interest.

I'll get a decent quality yet small article written up tonight most likely.