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SQL datase help

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SQL datase help Oracle Development forum discussing administration, Oracle queries, and other Oracle-related topics. Oracle is known as one of the most robust multi-platform relational databases available.

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  #1  
Old April 26th, 2004, 09:46 PM
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SQL datase help
how do you link two databases together with SQL in sqlplus?
Last edited by david6666666 : April 26th, 2004 at 10:01 PM.
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Old April 27th, 2004, 06:32 AM
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answer: with a join

also, if you are using "sqlplus" then you are also probably using Oracle, no?

this is the MySQL forum

i'm a forum admin, would you like me to move your question to the Oracle forum?
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Old April 27th, 2004, 07:18 PM
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ok
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Old April 28th, 2004, 08:04 PM
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any help please
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Old April 30th, 2004, 02:35 AM
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Please define what you mean with "link" and "database".

Oracle does not have a concept of "databases" as e.g. MS SQL Server.

If you are talking about different schemas (=users) then simply prefix the table names with the user names (e.g. select * from user_a.table_1, user_b.table_2).

If you are talking about two different Oracle servers (or instances) then look up "CREATE DATABASE LINK" in the Oracle manual

e.g.:

For Oracle8:
http://download-uk.oracle.com/docs/...m6b.htm#2061507
http://download-uk.oracle.com/docs/.../a76939/toc.htm
http://download-uk.oracle.com/docs/.../a76960/toc.htm

For Oracle9:
http://download-west.oracle.com/doc...56a.htm#2061507
http://download-west.oracle.com/doc.../a96590/toc.htm
http://download-west.oracle.com/doc...in.htm#ADMIN029

You will need a (free) account with OTN to read those documents
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