Hello Pesebe-san, how about this?
SELECT t1.name AS cat, GROUP_CONCAT(t2.name) AS subcat FROM table AS t1 LEFT JOIN table AS t2 ON t1.id = t2.parentid WHERE t1.parentid = 0 GROUP BY cat; +-------+-------------------+ | cat | subcat | +-------+-------------------+ | cat A | subcat A,subcat A | | cat B | subcat B | +-------+-------------------+ 2 rows in set (0.00 sec) regards, ts. tanaka// 2012/5/28 HaidarPesebe <haidarpes...@gmail.com>: > Thanks for the information; > > I tried to call the database with something like this; > > select id,name from TABLE WHERE parentid='0' > > and a second call to the same table as this; > > select id,name from TABLE WHERE parentid='$id' (this $id is the result of > calling the first call TABLE) > > and successfully. > or are there other examples that simple? > > Thanks > > __________ Information from ESET NOD32 Antivirus, version of virus signature > database 7173 (20120527) __________ > > > The message was checked by ESET NOD32 Antivirus. > > http://www.eset.com > > > > > -- > MySQL General Mailing List > For list archives: http://lists.mysql.com/mysql > To unsubscribe: Â Â http://lists.mysql.com/mysql > -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/mysql
