Changing Global MySql Variables

Discussion in 'PHP and MySQL' started by microweb, Sep 19, 2011.

  1. microweb

    microweb Perch

    I am relatively new to php and MySQL and on a site I was told I need to set the value of group_concat_max_len=9999999.

    Can someone please help me out and let me know where I need to do this? Is it something done in mySQL or in my php code. Can I do it immediately after connecting to the database and does it stay until the connection is closed or do I need to set it before the call that needs to have the value changed?

    Thanks for any help.

    Carol

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