【简答题】数据库的删—— 主要指删除数据库,删除表,删除记录。 用drop 关键词,可以彻底删除; 用delete 关键词,只删除数据,主要是对表操作。 如删除notice表中的数据,而不删除整个表,用delete from notice; 如指定删除某一项数据,在后面加上条件,如 delete from notice where id='101';
【单选题】In speaking, the choice of words is of the utmost importance. But too often careless use of words______a meeting of the minds of the speaker and listener.