行政区划sql数据脚本 IF (EXISTS(SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N'[dbo].[TB_Province]') AND type ='U')) BEGIN DROP TABLE [dbo].[TB_Province] END GO SET ANSI_NULLS ON SET QUOTED_IDENTIFIER ON GO CREATE TABLE [dbo].[TB_Province] ( [ID] big
1.apply没有返回值而commit返回boolean表明修改是否提交成功2.apply是将修改数据原子提交到内存, 而后异步真正提交到硬件磁盘, 而commit是同步的提交到硬件磁盘3.apply方法不会提示任何失败的提示 apply的效率高一些,如果没有必要确认是否提交成功建议使用apply. The SharedPreferences class provides a general framework that allows you to save and retrieve persi
commit()的文档 官方文档如下: Commit your preferences changes back from this Editor to the SharedPreferences object it is editing. This atomically performs the requested modifications, replacing whatever is currently in the SharedPreferences. Note that when tw
-- 事务级临时表:提交时删除数据 create global temporary table tmp_table1 ( x number ) on commit delete rows ; -- 会话级临时表:会话结束时删除数据 create global temporary table tmp_table2 ( x number ) on commit preserve rows ; insert into tmp_table1 valu
原文: Transaction is an interface which provides base methods for defining database transactions.DBTransaction is a subinterface on Transaction encapsulating JDBC connection used to framework for DB operations.OADBTransaction is an Oracle Apps version