SQL:"select * from wort where semester = 3竕、ktion=10ホスmber=4 and lektion = and photo!=0"の実行に失敗しました。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 '王ktion=10ホスmber=4 and lektion = and photo!=0' at line 1