rollback transaction

When dealing with transactions, it is common to roll back and forth with rollback TRANSACTION, but if this is used in nested transactions, an error occurs. In SQL Server, the hierarchy of nested transactions is reflected by the @ @TranCount global

Understanding Transactions and LocksTransactions: The essential tool for maintaining logical data consistency and recoverability.Lock: When multiple users access the same database resource, a mechanism for the priority authority management of access,

Understanding Transactions and LocksTransactions: The essential tool for maintaining logical data consistency and recoverability.Lock: When multiple users access the same database resource, a mechanism for the priority authority management of access,

If the value of @ trancount is different from that of process execution when the stored procedure is completed, a 266 information error is generated. This error is not generated by the same condition in the trigger. When a stored procedure is

Document directory 2.1 How does the nested transaction roll back the outermost transaction affect the internal transaction? 2.2 How about nested transactions roll back internal nested transactions? Save transaction rollback point-you can select

When executing a stored procedure, we often encounter execution timeout. If there are too many data to be processed and the modification process is complicated, use the following methods to solve the problem: Add transaction management to

A transaction is an inseparable logical unit of work. It is used as the smallest control unit to execute concurrent operations on the database system. A transaction is an inseparable logical unit of work. It is used as the smallest control unit to

The origin of 11.4.1 Affairs When you update a database with the delete command or the update command, you can only manipulate one table at a time, which can cause data inconsistencies in the database. For example: The enterprise cancels the

Seventh article: Python3 connection MySQL Connection database considerationsBe aware of the following before you proceed with this article: You have a MySQL database and have started. You have a user name and password that you can

The origin of 11.4.1 affairs When you update a database with the delete command or the update command, you can only manipulate one table at a time, which can cause data inconsistencies in the database. For example: The enterprise cancels the

Python3 connecting MySQLThis article describes the basic use of the third-party library--pymysql that Python3 connects to MySQL.Pymysql IntroductionPymysql is a library used in the python3.x version to connect to the MySQL server, and MySQLdb is

This article describes the basic use of the third-party library--pymysql that Python3 connects to MySQL.Pymysql is a library used in the python3.x version to connect to the MySQL server, and MySQLdb is used in Python2.You can also use Pymysql to

Originally intended to write about the transaction control process in the SSIS package, it was found that many of the basic concepts needed to be based on the isolation level of SQL Server transactions and transactions. So it took some time to get a

Transferred from: http://www.cnblogs.com/knowledgesea/p/3714417.htmlUnderstanding Transactions and LocksTransactions: The essential tool for maintaining logical data consistency and recoverability.Lock: When multiple users access the same database

Http://www.cnblogs.com/Kymo/archive/2008/05/14/1194161.htmlLet's take a look at the SQL Server Online Help related instructions begin Transaction: marks the starting point for an explicit local transaction. BEGIN TRANSACTION The @

SQL transaction (Transaction) usage introduction and rollback instanceThe   transaction (Transaction) is a unit of concurrency control and is a user-defined sequence of operations. These operations are either done or not, and are an inseparable unit

Why do I need triggers (TRIGGER? )? The typical application is that the bank's ATM system assumes that the system's database design requires two tables: The Account Information Table (Bank) holds the account information, and the Transaction

Understanding Transactions and LocksTransactions: The essential tool for maintaining logical data consistency and recoverability.Lock: When multiple users access the same database resource, a mechanism for the priority authority management of access,

Cascade deletion. If you want to delete the records of the primary category table, delete the records of the secondary category table and all the articles contained in this category. Cascade deletion. If you want to delete the records of the primary

This article mainly discusses the following points to get "" :One: Introduction to the transitivity of Spring transactionsSecond: The method of service throwing exception with transaction of third party callOne: Introduction to the transitivity