rollback

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Oracle's Distributed Database System (DDBS) Overview

One, what is a distributed database The Distributed Database System (ddbs:distributed) is developed on the basis of centralized database system. is a combination of database technology and network technology products. There are two kinds of

Modifying Oracle's data files

oracle| data modifying Data files Important NOTE: Make sure to back up the data before you adjust the work, remember 1, Basic concepts Within the Oracle system, a logical disk space called table space is given. Early systems are used primarily

Asp. The transaction processing in net

A asp.net| transaction transaction is a set of database operations that synthesize logical units of work, although errors may occur in the system, but transactions control and maintain the consistency and integrity of each database. If no errors are

The unsafe factors of Oracle8 and some explanations

The unsafe factors of Oracle8 and some explanations As an outstanding representative of the Object relational database, Oracle is undoubtedly the most powerful. Whether it's the size of the database, the support of multimedia data types, the

Oracle physical structure and logical structure

Physical structure of Oracle and logical Structure view the physical file path of the Oracle database must be viewed with commands, unless you have installed it yourself and have done all the security configuration, it is very likely that your

Principles and practices of C # database transactions (next)

Data | database Another error that goes to extremesConfident novices may revel in some of the knowledge they have mastered, and the would-be developers who have just contacted database transaction processing are also complacent about applying the

How to perform a rollback operation for a device driver

The Driver Rollback (Driver rollback) feature helps ensure system stability. When you update a driver, the previous version of the driver package is automatically saved to a specific subfolder that is responsible for placing the system files (the

Access to records in common databases

Access | data | Database MySQL can directly access the database address space, that is, limit, it is directly from the database address space to specify the first few to several, of course, very soon. Oracle itself cannot implement resultset

Oracle Manually manage rollback segments

1, view the parameters of the undo section Sql> show parameter undo; NAME TYPE VALUE ------------------------------------ ----------- ---------- Undo_management string AUTO-> changed to Manual Undo_retention Integer 900 Undo_tablespace string

Oracle Rollback Segment Management (top)

Oracle Rollback segment Management is always a difficult problem in Oracle database management, this paper introduces the concept, usage, planning and problem solving of Oracle rollback segment through an example. Rollback Segment Overview The

Eclipse quickly hibernate--5. Component Mappings

This article is mainly about the component (Component) mappings in Hibernate, which can be referenced in chapter 7th of the Hibernate official documentation.  As for the environment settings, you can refer to the previous articles in this series.  1.

Questions about MySQL record non-transactional statements

MySQL version: Mariadb 5.5.30 OS version: CentOS 5.6 x86_64 Excerpt from the network: "Transactions are written in Binlog in the order in which they are submitted, MySQLServer for statements that differentiate threads, a transaction cache for each

InnoDB Chinese Reference Manual---6 backup and restore InnoDB database

Backup | reference | reference Manual | recovery | data | database | Chinese InnoDB Chinese Reference Manual---canine (heart sail) Translation 6 backup and restore InnoDB database Secure database management is the use of regular data

MySQL Transaction handling issues

Today and students to discuss the issue of database transactions, feel the discussion in some understanding, some knowledge has been seen, but no actual use or do not understand. A transaction is a sequence of operations as an atomic operation, or

Oracle physical structure and logical structure

Physical structure of Oracle and logical Structure view the physical file path of the Oracle database must be viewed with commands, unless you have installed it yourself and have done all the security configuration, it is very likely that your

Using autonomous transactions to implement audit functions in Oracle

You can define one or several autonomous transactions in a transaction (outer transaction). Autonomous transactions can be commit independently and do not have an impact on external affairs, and the rollback of the same outer transaction has no

VFP and SQL remote heterogeneous database

Data | database Friends familiar with VFP know that in VFP we can use Remote view and SPT (SQL pass through) technology to control remote heterogeneous databases. These techniques are actually the encapsulation of the ODBC API, so it is as easy

Experts for you to explain the basic Java database operations

Data | database | Detailed Java database BASIC operations 1. Java database Operation Basic process 2, a few commonly used important skills: Scrollable, updated recordsets Batch Update Transaction processing Java database Operation basic process:

Realization of multi-table updating in PB data windows

PowerBuilder 's Data Window object is its unique intelligent object, its encapsulation is good, the function is formidable, the manifestation form is rich and diverse, for this reason, many MIS developers regard PowerBuilder as the preferred

Transaction processing via Ado.net

ado| Transaction Processing Creates a transactional object on a database connection, and then invokes a transaction object to commit the transaction or rollback the transaction. Simple code: private void Button1_Click (object sender,

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