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joining table with itself using mysql

原文 2017-06-02 08:14:12 8 1 mysql

When I write this line on mysql on phpmyadmin using mariadb server getting unexpected error near a.cpid = b.cid

select a.cid, a.cname as 'cname', b.cname as 'pname'
from categories as a left OUTER JOIN as b ON a.cpid = b.cid

MySQL said:
#1064 - You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'as b ON a.cpid = b.cid LIMIT 0, 25' at line 1

1 answers

You lack a table name (the second categories in below):

select a.cid, a.cname as 'cname', b.cname as 'pname' 
from categories as a 
left OUTER JOIN categories as b ON a.cpid = b.cid

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