isolation 源代码
isolation意思是隔离(计算机),解决并发问题的方法之一。即划分数据,使得每一篇数据都只能被一个执行单元访问。
set isolation to RR; run resource 'TableLockBasic.subsql';
Part_number u41109a0s.mxa First_End 2821 Last_End 4973 Isolation 1 Voltage 50 Continuity 5 Type Carbon U…
SET TRANSACTION ISOLATION LEVEL REPEATABLE READ GO BEGIN TRANSACTION USE PUBS GO SELECT * FROM publishers SELECT * FROM auth…
SET TRANSACTION ISOLATION LEVEL REPEATABLE READ GO BEGIN TRANSACTION USE PUBS GO SELECT * FROM publishers SELECT * FROM auth…
Hibernate控制的事务 事务保证原子操作的不可分,也就是操作的同时成功或同时失败。 Transaction tran=session.beginTranaction(); tran.commit(); tran.rollback(); 以上…
PCB DECRIPTION: 1.267 inches x 2.582 inches 4 LAYER PCB 1.0 MM (0.040 inch) FR4 LAYER SPACING: …