MySQL - UPDATE query based on SELECT Query
Пример 1
UPDATE Table_A SET Table_A.token = CONCAT_WS(':', Table_B.category_id, Table_B.form_id, Table_B.mark_id, Table_B.model_id)FROM tbl_category_mark_model_form Table_A INNERJOIN tbl_category_mark_model_form Table_B ON Table_A.id = Table_B.id ;
Пример 2
UPDATE tbl_category_mark_model_form AS tbl_1 INNERJOIN(SELECT*FROM tbl_category_mark_model_form )AS tbl_2 ON tbl_1.id = tbl_2.id SET tbl_1.token = CONCAT_WS(':', tbl_2.category_id, tbl_2.form_id, tbl_2.mark_id, tbl_2.model_id) ;
Пример 2
UPDATE tbl_category_mark_model_form tbl_1 LEFTJOIN tbl_category_mark_model_form tbl_2 ON tbl_1.id = tbl_2.id SET tbl_2.token = CONCAT_WS(':', tbl_1.category_id, tbl_1.form_id, tbl_1.mark_id, tbl_1.model_id) ;
Пример 3
UPDATE tbl_category_mark_model_form tbl1 INNERJOIN tbl_category_mark_model_form tbl2 ON tbl1.id = tbl2.id SET tbl2.token = CONCAT_WS(':', tbl1.category_id, tbl1.form_id, tbl1.mark_id, tbl1.model_id) ;