oracle commit rollback

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6. Oracle rollback (ROLLBACK) and undo (undo)

Reprinted from: http://blog.csdn.net/leshami/article/details/5731158One, rollback (ROLLBACK) and undo (undo)Rollback and roll forward are important means of ensuring that the data in an Oracle database is in a consistent state. --Before the 9i

Oracle transaction row-Level Lock storage point rollback commit

Oracle transaction row-Level Lock storage point rollback commit. Note that A and B are not two ORACLE accounts, but two connection sessions. The above is just Oracle transaction row-Level Lock storage point rollback commit. Note that A and B are not

Oracle Transactional operations (rollback and commit of transactions)

Before looking at this article, make sure that you understand the concept of Oracle transactions and locks as it is, but do not understand, refer to the consistency and atomicity of database transactions and Oracle TM and TX Locks1. Commit a

Undo tablespace and rollback segments

Undo tablespace and rollback segments The Undo/rollback tablespace is the tablespace used to store rollback segments. The rollback segment is the data space of the image before Oracle saves the modified data. Each rollback segment contains some

Oracle daily practice trigger cannot invoke or indirectly invoke a DCL statement such as Commit,rollback

triggers cannot invoke or indirectly invoke a DCL statement such as Commit,rollbackDDL statements and Commit,rollback statements cannot be run in triggersDDL statements: DDL statement terms define and manage objects in the database, such as

Commit and rollback commands in Oracle Database

The commit and rollback commands in the Oracle database are used only in the above process. I randomly searched and shared them with you. I will share more information later, right? The commit and rollback commands in the Oracle database are used

About Jave Transaction commit and rollback issues under Oracle Drive

All along, it is assumed that connection if Setautocommit (false) is set, the manual transaction commit must be initiated manually or rollback. There was a problem today and the results were very surprising.The results were tested as follows (note

Common Errors and Solutions of rollback segments

(1). insufficient space for rollback segments ORA-01562-failed to extend rollback segment number string The reason for insufficient rollback segment space is generally as follows: A. The remaining free space in the tablespace where the rollback

Start transaction, commit, and rollback syntax

Start transaction,COMMIT, AndROLLBACKSyntax From: http://dev.mysql.com/doc/refman/5.0/en/commit.html Of course, the article noted from MySQL, but MySQL, SQL Server, Oracle start tracmsaction, commit, and rollback syntax are no problem in DML. I hope

Oracle transaction row-Level Lock storage point rollback commit

Oracle transaction A general transaction (DML) is a transaction for data modification (addition, deletion, and modification ).The transaction adds a lock (Row-Level Lock) to all the data rows modified in the transaction to prevent others (sessions)

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