摘要：
https://msdn.microsoft.com/zh-cn/library/az24scfc(v=vs.110).aspx 贪婪匹配：由外向里查找匹配，如：.* 惰性匹配：由前向后查找匹配，格式是在贪婪表达式的后面加上一个?，如：.*? 后向引用(捕获模式): (?<name>pattern) 阅读全文
摘要：
begin transactioninsert into ...save transaction first /*事务保留点*/insert into ...if @@error <> 0 rollback transaction first insert into ...if @@error <> 0 rollback transaction firstinsert into ...if @@error <> 0 rollback transaction firstcommit transaction 阅读全文