Invalid query: select a.*, pkey as cat_title from tbl_information9 a
where a.isvalid = '1'
 and b.cate_id = '11' 
and (a.date1 is NULL or a.date1 <= '2024-04-29 14:25:42')
and (a.date2 is NULL or a.date2 >= '2024-04-29 14:25:42')
order by date1 desc
 limit 0,10<hr>ERROR: Unknown column 'b.cate_id' in 'where clause'