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Why do you need to create a cursor when querying a sqlite database?
...but also to identify a row in a table to be updated or
deleted. The SQL:2003 standard defines positioned update and
positioned delete SQL statements for that purpose. Such statements do
not use a regular WHERE clause with predicates. Instead, a cursor
identifies the row. The cursor must be o...
Swift 编程语言入门教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...的教程，分享给大家
原文地址：http://gashero.iteye.com/blog/2075324
目录
1 简介
2 Swift入门
3 简单值
4 控制流
5 函数与闭包
6 对象与类
7 枚举与结构
1 简介
今天凌晨Apple刚刚发布了Swift编程语言，本文从其发...
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