50 passwd varchar http://www.paper51.com
50 paper51.com email paper51.com varchar copyright paper51.com 50 内容来自www.paper51.com
√ paper51.com phone copyright paper51.com varchar 内容来自论文无忧网 www.paper51.com 50 内容来自www.paper51.com √ copyright paper51.com role paper51.com int 内容来自论文无忧网 www.paper51.com 4 内容来自www.paper51.com
number 内容来自www.paper51.com
int 内容来自论文无忧网 www.paper51.com 4 paper51.com 表3 数据库student_work_info表 paper51.com
列名 内容来自论文无忧网 www.paper51.com 数据类型 http://www.paper51.com 长度 内容来自论文无忧网 www.paper51.com 允许空 paper51.com
id paper51.com
int 内容来自论文无忧网 www.paper51.com 4 paper51.com studentid paper51.com
int copyright paper51.com 4 内容来自www.paper51.com
teacherid 内容来自论文无忧网 www.paper51.com int 内容来自www.paper51.com 4 paper51.com subtime 内容来自论文无忧网 www.paper51.com datetime copyright paper51.com 8 copyright paper51.com
correcttime copyright paper51.com datetime 内容来自www.paper51.com 8 http://www.paper51.com √ copyright paper51.com title http://www.paper51.com varchar 内容来自www.paper51.com 100 paper51.com
√ http://www.paper51.com
content paper51.com text paper51.com 1000 http://www.paper51.com
√ 内容来自论文无忧网 www.paper51.com grade copyright paper51.com int copyright paper51.com 4 内容来自论文无忧网 www.paper51.com √ 内容来自www.paper51.com remark 内容来自论文无忧网 www.paper51.com char 内容来自www.paper51.com 10 paper51.com √ copyright paper51.com
表4 数据库teacher_work_info表 http://www.paper51.com 列名 内容来自论文无忧网 www.paper51.com 数据类型 copyright paper51.com 长度 http://www.paper51.com 允许空 paper51.com
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int copyright paper51.com
4 paper51.com title paper51.com varchar 内容来自www.paper51.com 100 http://www.paper51.com content http://www.paper51.com
text paper51.com 1000 copyright paper51.com |