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保存点

网络savepoint; SAVE TRANSACTION; SQL Server

保存点

保存点

保存点

savepoint

保存点保存点（Savepoint）是 iSeries 移植过程中常常碰到的难以模拟的另一项功能。现在，在 V5R2 iSeries 中，您可以利用 …

SAVE TRANSACTION

回到保存点（SAVE TRANSACTION），如没有命名保存点，ROLLBACE反回到BEGIN TRANSACTION

SQL Server

ASP.NET 4权威指南目录 - 51CTO.COM ... 6.6.4 ADO.NET 本地事务 196 6.6.6 SQL Server 保存点 203 6.8.1 DataTable 类概 …

implicit savepoint

用户不能在回滚语句（rollback statement）中直接引用（refer）隐式的保存点（implicit savepoint）。See Also:"Deadlocks"另 …

2

Rollback of a user-specified transaction to the last savepoint inside a transaction or to the beginning of a transaction .

将用户指定的事务回滚到事务内的上一个保存点或事务开头。

3

You can use the tag or label to get back to the point where the changes were saved , to undo a change , or to audit a particular change .

可以使用标记或标签返回到变更保存点，以撤销变更，或者审计特定的变更。

4

When used , it specifies that this is meant to be a unique savepoint within the scope of the current transaction .

在使用时，它表示该保存点是当前事务范围内惟一的保存点。

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When a transaction rolls back to a savepoint , all non-hold cursors opened after that savepoint are closed .

当一个事务回滚到某个保存点时，在保存点之后打开的所有未被占用的指针将被关闭。

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Therefore , a savepoint name needs to be unique only in its scope of execution .

因此，保存点的名称只需在其执行范围内保持惟一。

11

Any reference to a released savepoint is invalid and results in an error .

引用已释放的保存点是无效的，并导致一个错误。

13

No transaction or savepoint of that name was found .

没有找到任何该名称的事务或保存点。

14

It sets a savepoint named newcustomer before inserting a new customer and a savepoint named neworder before adding the new customer 's order .

它在插入一个新客户之前设置了一个名为 newcustomer 的保存点，并在添加新客户的订单之前添加了一个名为 neworder 的保存点。

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When used , the statement rolls back the part of the transaction that occurred after the savepoint identified by svpt1.

当使用该语句时，将回滚到发生在 svpt1 保存点之后的操作。

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Method to roll back to the savepoint instead of rolling back to the start of the transaction .

方法以回滚到保存点，而不是回滚到事务的起点。

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The svpt1 identifier is the name of the savepoint .

svpt1 标识符是保存点的名称。

21

The SAVEPOINT statement sets a savepoint at the current position in the transaction .

SAVEPOINT 语句在事务的当前位置设置了一个保存点。

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Once a RELEASE SAVEPOINT statement has been executed or the transaction has ended , you can no longer use the savepoint .

执行了 RELEASESAVEPOINT 语句或事务结束后，则不能再使用该保存点。

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The code sets a savepoint with the same newcustomer name as the savepoint set inside the procedure .

代码设置了一个与过程内部设置的保存点同名的 newcustomer 保存点。

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LSN of the most recent savepoint for the transaction in the database log .

数据库日志中事务的最近保存点的 LSN 。

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Optimistic locking is also supported as well as multiple Transaction Savepoints .

锁优化机制也支持多个事务的保存点。

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This rollback undoes all the operations that were performed after the neworder savepoint was set .

这个回滚将撤销在设置 neworder 保存点之后执行的所有操作。

28

Savepoints are named markers within a database transaction .

保存点指的是数据库事务中指定的标记。

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Review savepoint and mark options for transactions .

检查事务的保存点和标记选项。

30

You can use all of the savepoint statements within stored procedures .

您可以在存储过程中使用所有保存点语句。

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