tanketuan的博客

During the lesson small girl Alyona works with one famous spreadsheet computer program and learns how to edit tables.Now she has a table filled with integers. The table consists of n rows and mcolumns...

Alena has successfully passed the entrance exams to the university and is now looking forward to start studying.One two-hour lesson at the Russian university is traditionally called a pair, it lasts f...

A little boy Laurenty has been playing his favourite game Nota for quite a while and is now very hungry. The boy wants to make sausage and cheese sandwiches, but first, he needs to buy a sausage and s...

Gennady is one of the best child dentists in Berland. Today n children got an appointment with him, they lined up in front of his office.All children love to cry loudly at the reception at the dentist...

Robot Doc is located in the hall, with n computers stand in a line, numbered from left to right from 1 to n. Each computer contains exactly one piece of information, each of which Doc wants to get eve...

City X consists of n vertical and n horizontal infinite roads, forming n × nintersections. Roads (both vertical and horizontal) are numbered from 1 to n, and the intersections are indicated by the num...

一开始会出现这个提示，然后点击消息中就会出现错误号此时。其实是你没有用管理员登录数据库的原因，但是退出数据库发现又是用管理员登录的这个时候就需要知道这个管理员登录其实是需要把SQL在windows管理员权限下登录才行然后再和原先一样操作就可以了...

今天在做老师上课布置的作业的时候，发现附加好上课的文件，发现一直连接不上数据库，然后就到数据库中的安全性去看发现用户映射没有弄好，但是之后发现出现了错误15023:当前数据库中已存在用户或角色”，然后就去网上找了一下解决方法，只需要三行代码，特别优雅。我的数据库名字是HRDMB右键点击然后，新建查询然后加入这几句语句就好了我的登录名是hrmtest，别的就相应的改动...

解决方案https://blog.youkuaiyun.com/qq754772661/article/details/81452131