事务只能在调用 Commit) 之前BeginTransaction从挂起状态 (回滚。 如果事务在之前释放 Commit 或Rollback 被调用,则会回滚该事务。 备注 Try / Catch 回滚事务时,应始终使用异常处理。 Rollback如果连接终止或事务已在服务器上回滚,则生成 InvalidOperationException。 有关SQL Server事务的详细信息,请参阅事务(Transact...
When a connection is setup with the auto-commit mode set to off or "smart commit", the SQL Commit and Rollback options become available. Use the commit option to commit a transaction or statement of work to the database. Use the rollback option to rollback any work since the last commi...
For a code example demonstrating ROLLBACK TRANSACTION, see Nesting Transactions. Permissions Requires membership in the public role. Examples The following example shows the effect of rolling back a named transaction. Menyalin USE TempDB; GO CREATE TABLE ValueTable ([value] int) GO DECLARE @Transa...
ROLLBACK TRANSACTION statements in triggers terminate the batch containing the statement that fired the trigger; subsequent statements in the batch aren't executed.The effect of a ROLLBACK on cursors is defined by these three rules:With CURSOR_CLOSE_ON_COMMIT set ON, ROLLBACK closes, but doesn...
You can't roll back a transaction after aCOMMIT TRANSACTIONstatement is issued, because the data modifications were made a permanent part of the database. The Database Engine increments the transaction count within a statement only when the transaction count is 0 at the start of the statement....
仅当事务被引用所有数据的逻辑都正确时,Transact-SQL 程序员才应发出 COMMIT TRANSACTION 命令。 如果所提交的事务是 Transact-SQL 分布式事务,COMMIT TRANSACTION 将触发 MS DTC 使用两阶段提交协议,以便提交所有涉及该事务的服务器。如果本地事务跨越同一数据库引擎实例上的两个或多个数据库,则该实例将使用内部的两...
COMMIT WORK (Transact-SQL) ROLLBACK TRANSACTION (Transact-SQL) ROLLBACK WORK (Transact-SQL) SAVE TRANSACTION (Transact-SQL) @@TRANCOUNT (Transact-SQL) 其他资源 活动 加入AI 技能节挑战 4月8日 23时 - 5月28日 15时 提高AI 技能并进入抽奖,以赢得免费认证考试 ...
The following example creates a SqlConnection and a SqlTransaction. It also demonstrates how to use the BeginTransaction, Commit, and Rollback methods. The transaction is rolled back on any error, or if it is disposed without first being committed. Try/Catch error handling is used to handle ...
You cannot roll back a transaction after a COMMIT TRANSACTION statement is issued because the data modifications have been made a permanent part of the database. The Database Engine in SQL Server 2000 and later increments the transaction count within a statement only when the transaction count is...
tx.Commit;// 提交事务 } catch(Exception ex) { tx.Rollback;// 回滚事务 thrownewApplicationException("下单过程中发生错误", ex); } } 👆 这样即使发布失败,订单数据和事件都会被一致地回滚,避免不一致。 🔄 步骤 3:异步处理 Outbox 表,发布事件 ...