曾 曾经 Unregistered / Unconfirmed GUEST, unregistred user! 2002-11-22 #1 请教各位： 我要删除表中的记录，条件是其中的一个字段为NULL，sql如何写！
M micro73 Unregistered / Unconfirmed GUEST, unregistred user! 2002-11-22 #2 delete from tablename where fieldname=null
雪 雪中漫步 Unregistered / Unconfirmed GUEST, unregistred user! 2002-11-22 #4 delete from tablename where filedname is null
X xiaoywh Unregistered / Unconfirmed GUEST, unregistred user! 2002-11-22 #5 delete from tablename where fieldname is null
陈 陈晨 Unregistered / Unconfirmed GUEST, unregistred user! 2002-11-22 #6 DELETE FROM aaa WHERE (a IS NULL) OR (b IS NULL)
