rollback definition

Start transaction, commit and rollback syntaxStart Transaction | Begin [Work]commit [Work] [and [No] chain] [[No] release]rollback [work] [and [No] chain] [[No] release]set autocommit = { 0 | The 1}start transaction or BEGIN statement can begin a

Start transaction, commit, and rollback syntaxStart transaction | begin [work] commit [work] [and [no] chain] [[no] release] rollback [work] [and [no] chain] [[no] release] set autocommit = {0 | 1} start transaction or begin statement can start a

Main content :Data Definition Language DDL FocusData manipulation language DML FocusDQL Focus of data query language---transaction control language TCL---database control Language DCL---primary key (primary key)---data redundancy (a separate table

Four components of Android-Activity (1) definition, status, and rollback (graphic explanation)What is the Activity Keyword: Application Component, four main components, user interface, and interaction. An Activity is an application component that

From the functional partition, the SQL language can be divided into three categories: Ddl,dml and DCL.1. DDL (Data Definition Language)A data definition language that defines and manages the language of all objects in a SQL

New project trial run, DBA prompts the production database a table of transactions 20 minutes are not committed, the analysis process is as follows:1. Check the logs log file for the last 20 minutes for error logs;2. Found that a table has an insert

This article mainly introduced the PHP transaction rollback simple implementation method, combined with the instance form analysis PHP transaction definition, the submission and the rollback transaction concrete operation skill, needs the friend to

MyISAM does not support transactions, but how can I roll back a database error? For example, a program needs to insert Table a before table B. The logic is as follows: {code...} MyISAM does not support transactions, but how can I implement rollback

We can define the SAVEPOINT during mysql transaction processing, and then roll back to the status before the specified save point. The syntax for defining the save point and rolling back to the status before the specified save point is as follows.

Process HTML5 client routing rollback in ASP. NET Core, corehtml5 When using client applications built by application frameworks such as Angular, React, and Vue, you always process HTML5 client routing, it will completely process the client routing