单选题
发布日期:2020-04-10
检查约束
非NULL约束
外键约束
惟一约束
时出,读音shí chū,汉语词语,意思为得其时而出;时常出现。
禁用,汉语词语,读音是jīn yòng,意思是禁止使用。
《错误》是汪峰作词作曲并演唱的歌曲,收录在鲍家街43号乐队的第二张专辑《风暴来临》中。
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