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query using two databases.

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query using two databases. MySQL Help forum discussing administration, SQL syntax, and other MySQL-related topics. MySQL is an open-source relational database management system (RDBMS).

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  #1  
Old April 19th, 2000, 08:43 AM
VidJa VidJa is offline
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I would like to connect to two different mysql databases on two different machines and run a query using tables from these two different DB's.
Is that possible directly or should I store a query on DB1 first as a temp table in DB2 and then run a query against a table in DB2 and the temp. table?
I use PHP4 and Apache 1.3.12.

I hope someone can help me on the way.

VidJa
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Old April 19th, 2000, 11:24 AM
rod k rod k is offline
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You can join tables in different databases on the same machine but not on different machines. You'll need two seperate queries.
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Old April 19th, 2000, 05:02 PM
VidJa VidJa is offline
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and how can I do that, I'm pretty new to PHP, MySQL and SQL in particular.
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Old April 20th, 2000, 10:11 AM
rod k rod k is offline
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Well, that really depends on what you are trying to do. What information in the first database affects what you are trying to do in the second and how, etc.
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