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MySQL Syntax Problem

Posted on 2014-07-22
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Last Modified: 2014-07-25
Hi,

I need to replace all instances of domain1.com in my database with domain2.com

I tried this:

SELECT REPLACE('domain1.com', 'domain2.com'); and no luck.

Any ideas?
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Question by:Computer Guy
11 Comments
 
LVL 42

Expert Comment

by:pcelba
ID: 40211488
You have to specify 3 parameters:

SELECT REPLACE('***domain1.com***', 'domain1.com', 'domain2.com');

The original text is table column obviously:
 SELECT REPLACE(SomeTextColumn, 'domain1.com', 'domain2.com') AS OutputName
   FROM SomeTable

The function syntax is:
REPLACE(str, from_str, to_str)

More info: http://www.w3resource.com/mysql/string-functions/mysql-replace-function.php

MySQL also provides REPLACE command: http://www.mysqltutorial.org/mysql-replace.aspx
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LVL 21

Expert Comment

by:Randy Poole
ID: 40211519
I think you would want to replace so issue an update
Update YourTable Set yourcolumn=REPLACE(yourcolumn,'domain1.com','domain2.com')

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Author Comment

by:Computer Guy
ID: 40211524
Trying this: SELECT REPLACE('domain1.com', 'domain1', 'domain2');

How can I do that for all of the tables in the DB on one clip?
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Expert Comment

by:Randy Poole
ID: 40211537
This would be a per column per table
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Author Comment

by:Computer Guy
ID: 40211546
So there isn't a way to do it all at once?
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Expert Comment

by:Randy Poole
ID: 40211574
I suppose you could write a procedure to do it that queries all the tables, then loops through those, and  that routine queries all the string fields which builds and executes a sql statement.  But that would probably take a bit of time.  How many tables/fields does this need to be done to?
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Author Comment

by:Computer Guy
ID: 40211584
This is for moving Wordpress from domain1 to domain2
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LVL 48

Expert Comment

by:PortletPaul
ID: 40211603
Topic removed: Misc Databases
Topic added: Wordpress
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Expert Comment

by:Randy Poole
ID: 40211617
Paul, may want to add topic MySQL
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Accepted Solution

by:
Randy Poole earned 500 total points
ID: 40211622
Have you looked at this?  This will give you step by step instructions on how to do it, since WP already has scripts for this type of maintenance.

http://codex.wordpress.org/Moving_WordPress#Moving_WordPress_to_a_New_Server
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