តើសិក្សាទស្សនៈវិជ្ជារបៀបណា?

LINKS	ATTatchment ID	SQL insert to postmeta	write
'http://www.elibraryofcambodia.org/wp-content/uploads/2014/03/Teur-Seuksa-Tos-Sanak-Vikchae-Ro-Beab-Na-book-cover-for-website.jpg'	2291	INSERT INTO el_postmeta (post_id,meta_key,meta_value) VALUE (2290,'_thumbnail_id',2291); -- 671		write