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Oracle 隔离级别
Oracle的隔离级别: set transaction isolation level serializable; set transaction isolation level read commited; set transaction isolation level read only; s...
分类:数据库   时间:2015-06-17 21:14:28    阅读次数:153
loadrunner中controller 中scenario-> rendezvous灰色不可用的解决方法:
1.首先确保lr_rendezvous("login");函数添加成功Action(){ web_set_max_html_param_len("2048"); lr_rendezvous("login"); lr_start_transaction("login"); web_submit_dat...
分类:其他好文   时间:2015-06-17 15:01:46    阅读次数:888
pt-online-schema-change 修改字段属性产生死锁
死锁信息如下:2015-06-1522:23:187f0266772700***(1)TRANSACTION:TRANSACTION1834696957,ACTIVE0secsettingauto-inclockmysqltablesinuse2,locked2LOCKWAIT4lockstruct(s),heapsize1184,1rowlock(s),undologentries1MySQLthreadid1008989,OSthreadhandle0x7f0265de0700,queryi..
分类:其他好文   时间:2015-06-17 02:04:09    阅读次数:167
mysqldump的一些用法
1备份所以数据库mysqldump-uroot-p--all-database>all.sql2备份数据库testmysqldump-uroot-ptest>test.sql3备份数据库中的表empdeptmysqldump-uroot-ptestempdept>emp.sqlmysqldump--help查看相关参数解释对于事务存储引擎来说,可以采用--single-transaction,来保证..
分类:数据库   时间:2015-06-16 01:32:06    阅读次数:132
spring事务源码分析结合mybatis源码(二)
让我们继续上篇,分析下如果有第二个调用进入的过程。代码部分主要是下面这个:if (isExistingTransaction(transaction)) { return handleExistingTransaction(definition, transaction, de...
分类:编程语言   时间:2015-06-15 21:44:50    阅读次数:267
sql2005,sql2008,sql2012清空日志语句
原文:sql2005,sql2008,sql2012清空日志语句sql2005清空日志语句 Backup Log DbName WITH no_log GO DUMP TRANSACTION DbName WITH no_log GO USE DbName DBCC SHRINKFILE (2) G...
分类:数据库   时间:2015-06-15 16:18:25    阅读次数:137
LeetCode121:Best Time to Buy and Sell Stock
Say you have an array for which the ith element is the price of a given stock on day i. If you were only permitted to complete at most one transaction (ie, buy one and sell one share of the stock),...
分类:其他好文   时间:2015-06-15 11:14:06    阅读次数:110
Loadrunner基础学习篇1-事务
1. 脚本中插入开始&结束事务,回放出现错误如下:Error: Vuser started transaction "开始第二张订票", but did not reached a corresponding end transaction statement. The transaction en...
分类:其他好文   时间:2015-06-14 22:38:51    阅读次数:208
Aggregate
LINQ provides several aggregation extension methods: Aggregate, Average, Count, LongCount, Max, Min and Sum.The aggregation methods alltake a list of ...
分类:其他好文   时间:2015-06-14 22:34:58    阅读次数:218
将CRUD封装到一个工具类中
1 package org.zln.hibernate.utils; 2 3 4 import org.hibernate.Session; 5 import org.hibernate.SessionFactory; 6 import org.hibernate.Transaction; 7...
分类:其他好文   时间:2015-06-14 21:28:38    阅读次数:153
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