Erro no banco de dados: SQL inválido: SELECT * from tb_categ, tb_categ_xref WHERE tb_categ_xref.categ_filho_id = AND tb_categ.id = tb_categ_xref.categ_pai_id
Erro do MySQL: 1064 (You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'AND tb_categ.id = tb_categ_xref.categ_pai_id' at line 1)