摘要:
#!/usr/bin/python # -*- coding: utf-8 -*- with open('e:/123.txt') as fp:row = fp.readlines() #打开并读取所有数据行到列表后赋值给变量 row Category = [] [Category.append(row[i]) for i in range(len(row)) if row[i] not in... 阅读全文
摘要:
显示数据表结构 1、desc(describe) tablename;2、show columns from tablename;3、use information_schema; select * from columns where table_name='tablename';4、show c 阅读全文
摘要:
1. I am writing to confirm/enquire/inform you... 我发邮件是想找你确认/询问/想通知你 有关…2. I am writing to follow up on our earlier decision on the marketing campaign 阅读全文