select all if id in another table
SELECT * FROM terms WHERE id IN
(SELECT term_id FROM terms_relation WHERE taxonomy = "categ")select all if id in another table
SELECT * FROM terms WHERE id IN
(SELECT term_id FROM terms_relation WHERE taxonomy = "categ")insert to first table if field A equals field B from a second table using sql
UPDATE Table_1 SET Field_X = (SELECT Field_Y FROM Table_2 WHERE Table_1.Field_A=Table_2.Field_B LIMIT 1)Copyright © 2021 Codeinu
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