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What Makes Two Mysql Databases In Two Different Servers Connect?


what makes two mysql databases in two different servers connect? Is it enough with mysql sintax? Do i need another application? Which?




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MySQL Databases And 2 Servers
We are planning to reprogramm our search machine and website. Since we
have call agents who query the same database as the customers do, we
had the idea of splitting the database to 2 servers.
The call agents can update customer data with our intern webinterface,
which not only concerns tables that are for the call agents, but also
concerns tables of the search machine, holding company data such as
address, search words, etc. Since the customer himself can administer his
own data, as well as the call agent (or media agent), I was thinking
of doing following:

* I have 2 servers. Server 1 is responsible for the search machine and
just serves customers searching for a company or for products. The
MySQL database is there just for querying.
* Server 2 serves call agents, as well customers who want to change
their data, reading and writing.
* Since the search machine should of course show updated data the call
agent or the customer have eventually changed, the data from server 2
must be synchronized with the MySQL databese of server 1. (e.g. at
midnight)

Questions:
-------------
0. Is the above described the right way?
1. What do I have to consider when planning the database structure?
2. How do I synchronize? Can I copy specific tables from one server to
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me, how?

Any expert knowledge or experience with MySQL replication or MySQL
clusters? I think replication is just thought for mirroring, or am I
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<?php
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I Caonot Get Php To Connect Any Mysql Databases ??
Not to sure if its a php setup problem or if its mysql.

<?php
unset($dbfailed);

if(mysql_connect("localhost","root"))
{
mysql_select_db("family")or $dbfailed=mysql_error();
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data in myTable33

(id) continent country point member
(1) Asia Asia 10 Tom
(2) North America North America 5 Tom
(3) 1 China 0 Mary
(4) Europe Europe 15 Jane
(5) 4 Germany 5 Tom
(6) 2 Canada 10 Jane
(7) 4 France 0 Jane
(8) 2 America 5 Tom
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(11) Africa Africa 5 Jane
I have data like the above in myTable3

Quote:

The sum of Asia group is 25, ie. Asia(10) + China(0) + Korea(15).
The sum of North America group is 20, ie. North America(5) + Canada(10) + America(5).
The sum of Eeurope group is 25, ie. Europe(15) + Germany(5) + France(0) + Spain(5).

Quote:

The highst point maker in Asia group is Mary, ie. China(0) + Korea(15).

The highst point maker in North America group is Tom, ie. North America(5) + America(5).
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Now I like to tell what I want.

If any member's name is given, I like to retrieve the highest point continent group ID which the given member's records belongs to.

The following would-be code doesn't work correctly, but I hope it will show what I want.

code

select ID
from myTable33
where
point=Highest Point continent Group
#variables.theNameOfMember# has




target result when the variable is Tom

(2) North America


target result when the variable is Mary

(1) Asia

target result when the variables is Jane

(4) Africa

// Jane has the highest point in Africa group and Europe
Africa(id=11) comes latest than Europe(id=4)

target result when the variables is Bill

none
Can I get my target result with your help in mySQL 4.0?

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>
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>
>
>
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>
> #1064 - You have an error in your SQL syntax. Check the manual that
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>
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>
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>
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