SQLSavepoint SQLSavepoint[…] is an object that represents a savepoint in an SQL transaction. 更多信息和选项 范例 基本范例(1) In[1]:= If you find that the examples in this section do not work as shown, you may need to
You can set a savepoint using the SAVEPOINT SQL statement. For example, create a savepoint called STOP_HERE: SAVEPOINTSTOP_HEREON ROLLBACK RETAIN CURSORS Program logic in the application dictates whether the savepoint name is reused as the application progresses, or if the savepoint name denotes a...
processing. So be always very careful in this area. . 3) The example for ISSUE_SAVEPOINT is in the Forms 6.0 Reference Manuel, page 275. It shows an ON-SAVEPOINT trigger used for running against a third party database without savepoints or with a savepoint processing different from the Ora...
SQL reference Statements SAVEPOINT SAVEPOINTCreates a special mark, called a savepoint, inside a transaction. A savepoint allows all commands that are executed after it was established to be rolled back, restoring the transaction to the state it was in at the point in which the savepoint was ...
Savepoint Savepoint 是用来为整个流应用程序在某个“时间点”(point-in-time)的生成快照的功能。 该快照包含 Flink CheckPoint状态点恢复与savePoint机制 /checkpoints 如果希望回退到某个Checkpoint点,只需要指定对应的某个Checkpoint路径即可实现 2.2 Checkpoint恢复 如果Flink程序异常失败,或者最近一段时间内数据处理...
If the UNIQUE clause is specified,savepoint-namecan only be reused after an existing savepoint with the same name has been released. Within a savepoint, if a utility, SQL statement, or database command performs intermittent commits during processing, the savepoint will be implicitly released. ...
3. Handling Transactions with Rollback and Release sql START TRANSACTION; SAVEPOINT sp1; -- operation 1 SAVEPOINT sp2; -- operation 2 ROLLBACK TO sp1; RELEASE SAVEPOINT sp1; In this example, `sp1` is used for a rollback, and then it is released, ensuring that the transaction maintains ...
本地客户端用PLSQL Developer连接远程数据库时提示: ORA-12638: 身份证明检索失败!!! 解决方法一: 此目录下F:\myorcl\product\11.2.0\client_1\network\admin找到sqlnet.ora文件: 如果存在SQLNET.AUTHENTICATION_SERVICES= (NTS)设置,则修改为:SQLNET.AUTHENTICATION...PDF...
COMMIT’s syntax with optional sub-clauses in square brackets is: COMMIT [WORK] [AND [NO] CHAIN] [[NO] RELEASE] The COMMIT WORK statement is equivalent to the COMMIT statement. 4.1. Example Let’s start a new transaction in a MySQL session and add new data: ...
In the following illustration, two savepoints are created in the same session. Then a savepoints dump is issued to get the savepoint information. An example of the dump file is included. SQL> insert into emp (empno, ename) 2 values (9995, 'vso'); 1 row created. SQL> savepoint pt1;...