lo coloqué asi:
Código PHP:
Ver original$rs = mysql_query("(SELECT e.nombre_etiq FROM etiquetas_plan e) UNION
(SELECT p.nombre_etiq FROM etiquetas_pos p)");
y me dice:
Se ha producido el error 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 'Resource id #9' at line 1