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Oracle databases can be run in 2 modes: Archive mode (Archivelog) and non-archive mode (Noarchivelog) 　　 Archiving mode can improve the recoverability of Oracle databases, the production database should run in this mode, the archive mode should be combined with the corresponding backup strategy, only the archive mode without corresponding backup strategy will only cause trouble. 　　 This article provides a brief description of how to enable and clo

Customizable database backup and recovery program Tashanzhishi [Original] Keyword Database backup recovery Source When we do the database system program, often need to do a database backup and recovery procedures for customers, especially for some unprofessional database u

Database backup is an important means to recover important data and prevent data loss in time of data loss. A reasonable database backup scheme should be able to recover important data effectively when data is lost, and it is necessary to consider technology implementation difficulty and utilize resources effectively. 1.1. Preparatory work before formulating a data backup scenario, we first make a specific

Application of ADO Accessing database technology program in VC2011-05-16 11:48 440 People read comments (1) Favorites Reporting Database null SQL Server Access table DAO One, database access technology At present, database interface technology mainly has dao,rdo,odbc,ole DB and ADO ODBC, devel

Tags: database attach data diskFault DescriptionIn this case, a server store of a brand r520 model with a SQL Server database is included, and this storage contains two sets of disk arrays, with RAID levels of RAID5. Under normal circumstances, the user's SQL Server database is stored in the D disk, after the large amount of data caused by the size of the D disk,

Tags: dynamic combined with MAC Max Sem named create summary Uninstall Preface This is my work more than two years later, starting from the most basic SQL start, seriously learn SQL Server, Leackage Check and consolidation have all; because I was just beginning to learn, always upset, recently changed work, found 1-2 years of experience, asked the basic thing or a lot, This time needed is a solid foundation of Kung Fu, so a series of shock + introspection, their own holidays at home from the mos

Tags: An Huaqin and database security data leakage preventionabsrtact: This article will analyze the technology of SQL injection attack and the principle of database encryption technology and the protection effect, in order to discriminate database security technology misunderstanding "database encryption can solve SQL

Registering log filesBasic principlesThe order of registrations is strictly in the chronological order of the parallel transaction executionThe log file must be written before the database is writtenWrite log file operations: Log records that represent this modificationWrite to log fileWrite database operations: Write changes to the data in the databaseWhy write the log file first (the Write-ahead log)Writi

Requirement: when developing multi-person collaborative projects, it is generally necessary to use multiple databases at the same time. common situations include: a developer's database (development database ), if a tester uses a database (test database) and a database (form

There are three main methods for MySQL Data Synchronization: 1. Use the MySQL database synchronization function2. Use the features of the MySQL database (the database has a fixed directory and is stored as a file) To synchronize the database directory for data synchronization.3. Use the dedicated MySQL

Database mode: database mode Three-Level mode structure: external mode, mode, and internal mode I. Schema) Definition: Also known as the logical mode. It is the logical structure and feature description of all data in the database and is the public data view of all users. Understanding: ① A database has only one mode;