rollback tran

The content is excerpt from http://www.cnblogs.com/hoojo/archive/2011/07/20/2111316.html, only for the use of their own notesA trigger is a special type of stored procedure that differs from the stored procedure we described earlier. Triggers are

Tag: style io ar os SP for data on problemA trigger is a special type of stored procedure that differs from the stored procedure we described earlier. Triggers are triggered primarily by an event that is automatically invoked to execute. The stored

A viewViews are SQL statements that are stored in queries in the database.A view is a table that is exported from one or more tables or views, and is a virtual table that can only be queried on the views and cannot be added, deleted, or

SQL Server triggersA trigger is a special type of stored procedure that differs from the stored procedure we described earlier. Triggers are triggered primarily by an event that is automatically invoked to execute. The stored procedure can be called

From:http://www.cnblogs.com/kissdodog/p/3173421.htmlTriggers can do a lot of things, but it also brings a lot of problems. The trick to using it is to use it at the right time, rather than using it at an inappropriate time.Some common uses for

From:http://www.cnblogs.com/kissdodog/p/3169788.htmlThe transaction is all about atomicity. The concept of atomicity means that some things can be viewed as a unit. From a database perspective, it refers to the smallest combination of one or more

A trigger is a special type of stored procedure that differs from the stored procedure we described earlier. Triggers are triggered primarily by an event that is automatically invoked to execute. The stored procedure can be called by the name of the

It is recommended that you read the stored procedure first: SQL Server stored ProcedureØ BusinessIn a database, it is sometimes necessary to run instructions from multiple steps as a whole that either succeeds or fails altogether, which requires a

SQL Server triggersA trigger is a special type of stored procedure that differs from the stored procedure we described earlier. Triggers are triggered primarily by an event that is automatically invoked to execute. The stored procedure can be called

--things: To ensure the complete implementation of the entire process, all without problems of unified submission, once there is a problem, back to the original point--A stored procedure or trigger with BEGIN TRAN--the beginning of a

Detailed description of SQL Deadlock Detection Methods, detailed description of SQL lock Detection The deadlock in SQL server refers to the state in which processes are permanently blocked. The following describes how to detect SQL server deadlocks.

When there are multiple update operations in a stored procedure, an exception occurs in subsequent update operations. If you do not manually roll back the previously modified data, it will not be automatically revoked!

Create procedure testpro As /** // * ------- Start transaction ----------*/ Begin transaction tran_test /** // * -------- Save the transaction ----------*/ Save transaction tran_test /** // * -------- Data operation ---------*/ Insert [Table1]

-- Start transaction Begin tran -- Do Not Display count Information Set nocount on Declare @ userid varchar (512) Declare @ A int Set @ A = 10000 -- Declare a cursor Declare crmpscontact_cursor cursor Select [userid] from [gmcc]. [DBO].

Query the number of uncommitted transactions Select @ trancount The former was influenced by the MSSQL System Management Guide and thought that the lock table is in the wait status as the Status column,In fact, if it is an uncommitted transaction,

Part 1 Database SQL language Data manipulation language (DML)   Data Manipulation Language,DMLIncluding insert, delete, and update statements for adding, deleting, and modifying data. The following table tb_employeeinfo is used as an example: Create

Explicit transactions Explicit transaction is a type of transaction in which the designer clearly defines the start and end of the transaction.You can use BEGIN transaction, commit transaction, commit work, rollback transaction, rollback work, and

Our components are relatively available, but our users are picky. Some users have three requirements:   1. Added support for distributed transactions 2. I don't want to write any SQL statements. I just want to do some simple

Create a table: Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--> Set Ansi_nulls On Go Set Quoted_identifier On Go Create   Table   [ DBO ] . [ T1 ] (

I read the article "abandon database auto-increment ID, expose the solution I used" and display it on the homepage. I think that if a newbie does not distinguish between true and false and blindly follows suit, it will lead to the fact that he is