delete a from User a where a.Tel='1001213' 第一个a 能解释下该语句的意思吗

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/18 04:23:08

delete a from User a where a.Tel='1001213' 第一个a 能解释下该语句的意思吗
delete a from User a where a.Tel='1001213' 第一个a 能解释下该语句的意思吗

delete a from User a where a.Tel='1001213' 第一个a 能解释下该语句的意思吗
delete a(下面指定的表别名)
from user(表名) a (表别名)
where a.(上面指定的表别名)tel=
'1001213'

delete a from User a where a.Tel='1001213' 第一个a 能解释下该语句的意思吗 delete table from table where …… 我常见的都是 delete from table[A] where …………是 delete table[A] from table[B] where ………… VFP里的%是什么意思例:delete from 图书 where 书名=”A% 为什么不用“A* 是a user还是 an user?为什么? 英语翻译Adding Pallets Touch,press or set the following Comments The system supports a maximum of two pallets.If new pallet data is to be entered to the Pallet Viewer,the user must first delete a pallet.See 'Deleting Pallets'.From the following m ctrl+a然后delete英文怎么翻译? a user study?标准翻译 already a ubi.com user? 英语翻译Current user accornt does not have the privleges to perform product activation,Run this application from a user account with administrative privileges or contact your system administrator. delete from info join user where info.userid user.id在sql2000内执行的时候提示在关键词join附近语法错误.执行一楼代码,提示where附近语法错误 一道acm题,Delete NumberTime Limit:1000MS Memory Limit:65536KTotal Submit:701 Accepted:129DescriptionGiven 2 integer number n and m.You can delete m digits from the number n,then number n changes to a new number n1.Tell me how to delete the number, if we want to retrieve data from the database with SQL,we should use the comand of ( )A、select B、update C、delete D、insert an authorized user who accumulate 200 penalty points in one calendar year are suspended from borroean authorized user who accumulate 200 penalty points in one calendar year are suspended from borroeing until they have paid a fine of 25 pence. please delete it and sign in a gain是什么意思 delete from A where a_id in (select id from B where b_id in (select id from C where c_id = ?))请问这句SQL语句怎么优化? 我的意思万一in语句里面的内容过多会出问题的,怎么用连接表的形式去delete? 求python大神,题目是write a program to keep track of conference attendeesfor each attendee,your program should keep track of name,company,state,mail.it should allow user to do things :add a new attendee,display info on a attendee,delete an atten 英语翻译Frequencies cannot be reused in adjacent cells,so when a user moves from one cell to another,a new frequency must be allocated for the call.If a user moves into a cell,all of whose frequencies are currently in use,the user’s call must b 帮我分析一下下面这句英语,You should have a design goal to reduce the relevance of thecalling user the further an activity is from the user interface.