transaction isolation level

if a connection sets its transaction isolation level to serializable, sql server uses key-range locking to prevent phantoms.

如果某个连接将其事务隔离级别设置为可序列化，则SQLServer使用键范围锁来防止出现幻影。

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Gets or sets the transaction isolation level.

获取或设置事务隔离级别。

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Always use transaction isolation level set to Serializable.

总是将事务隔离级别设置为序列的。

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The transaction length, isolation level, and data locking that may occur on the backend system needs to be considered in the overall system design.

需要在总体系统设计中考虑在后端系统上可能出现的事务长度、隔离级别以及数据锁定。

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What is the transaction isolation level set to?

事务隔离级别的设置是怎样的？

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Using a transaction allows you to specify the isolation level.

使用事务允许您指定隔离级别。

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A transaction running under snapshot isolation level can view changes made by that transaction.

在snapshot隔离级别下运行的事务可以查看由该事务所做的更改。

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Transactions cannot specify the snapshot transaction isolation level.

事务不能指定snapshot事务隔离级别。

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The J2EE specification defines a deployment descriptor attribute that specifies the transaction isolation level for a given EJB method.

J2EE规范定义了用来为具体EJB方法指定事务隔离级别的部署描述符属性。

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Indicates the transaction isolation level of the atomic transaction.

指明原子事务的事务隔离级别。

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The transaction isolation level is the degree to which the underlying database exposes changed but uncommitted data to other transactions.

事务隔离级别是基础数据库将已更改但尚未提交的数据向其他事务公开的程度。

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A transaction's isolation level usually controls the duration of a lock.

事务的隔离级别通常控制了锁的持续时间。

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The change happens on the database, so WebSphere is not aware that it changed and might not reset the transaction isolation level the next time the connection is retrieved from the pool.

更改发生在数据库上，所以WebSphere不知道已经发生了更改，而且在下一次从池中检索连接时可能无法重置事务隔离级别。

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Isolation: JPA1.0 doesn't support custom isolation levels, so developers are required to specify the default transaction isolation level on the database side.

isolation：JPA1.0不支持自定义隔离级别，因此开发人员需要指定数据库端的默认事务隔离级别。

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When you change a transaction from one isolation level to another, resources that are read after the change are protected according to the rules of the new level.

将事务从一个隔离级别更改为另一个隔离级别之后，便会根据新级别的规则对更改后读取的资源执行保护。

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Specification of transaction isolation level.

指定事务隔离级别。

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