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Thread: switching databases on the fly
11-01-2008, 06:37 PM #1
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- Dec 2006
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switching databases on the fly
I am using database 1 to insert user content. One of the table indexes for database 1 that holds the user content is the userid.
I then need to get the username and other user information which is stored in a different table in database 2. The user account table in database 2 also uses the userid as its index.
How can I access user information from table "users" in database 2 to if I am using the userid from table "user_content" in database 1?
SELECT username FROM database2_users WHERE userid = database1_user_content_userid
I realize the above is totally wrong.. but it summarize what I am trying to do.
Also, I assume I have to open a connection to both databases, right?
11-01-2008, 06:43 PM #2
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- Dec 2004
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You will have to populate the somenumber part.PHP Code:
SELECT username FROM database2.tableindatabase2name WHERE database2.tableindatabase2.userid = somenumber
Why are you using two databases anyways rather than just two tables?
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