Orcale Tutorial Content


Getting Started - البدء مع إدارة قواعد البيانات
  • أنواع مستخدمي قواعد البيانات:
  • مهام مسؤول قاعدة البيانات:
  • SQL Statements:
  • Identifying Your Oracle Database Software Release - تحديد إصدار اوركل
  • About Database Administrator Security and Privileges- أمان وامتيازات مسؤول قاعدة البيانات
  • Database Administrator Authentication - مصادقة مسؤول قاعدة البيانات
  • Creating and Maintaining a Database Password File - إنشاء ملف كلمة المرور
    • Oracle Architectural Components - مكونات قاعدة البيانات أوركل
  • ﻤﻜﻭﻨﺎﺕ ﻗﺎﻋﺩﺓ ﺍﻟﺒﻴﺎﻨﺎﺕ
  • Oracle Instance
  • Oracle Database
    • Installing Oracle Database - تثبيت الأوركل
  • Installing oracle database 10g in windows
    • Creating and Configuring Database - إنشاء قاعدة البيانات
  • ﺍﻟﺘﺨﻁﻴﻁ ﻟﻘﺎﻋﺩﺓ ﺍﻟﺒﻴﺎﻨﺎﺕ
  • ﺇﻨﺸﺎﺀ ﻗﺎﻋﺩﺓ ﺍﻟﺒﻴﺎﻨﺎﺕ ﺒﺎﻟﻁﺭﻴﻘﺔ ﺍﻟﻴﺩﻭﻴﺔ علي Windows:
  • ﺇﻨﺸﺎﺀ ﻗﺎﻋﺩﺓ ﺍﻟﺒﻴﺎﻨﺎﺕ ﻋﻥ ﻁﺭﻴﻕ ﺍل(DBCA)
  • About Creating an Oracle Database
  • About Selecting a Character Set
  • Prerequisites for Database Creation
  • Creating a Database with the CREATE DATABASE Statement
  • Specifying CREATE DATABASE Statement Clauses
  • Specifying Initialization Parameters
    • Controlling The Database -التحكم في قاعدة البيانات
  • التحكم في قاعدة البيانات - Controlling The Database
  • ﺘﺸﻐﻴل ﻗﺎﻋﺩﺓ ﺍﻟﺒﻴﺎﻨﺎﺕ
  • ﺇﻏﻼﻕ ﻗﺎﻋﺩﺓ ﺍﻟﺒﻴﺎﻨﺎﺕ
  • Opening a Database in Read-Only Mode
  • Opening a Database in Restricted Mode
    • Managing Tablespaces and Data files
  • ﻤﻔﺎﻫﻴﻡ ﻋﺎﻤﺔ ﻋﻥ ﺍل: Tablespaces
  • عملي
    • Control File & Redo Log Files
  • Control File
  • ﺘﻐﻴﻴﺭ ﺍﺴﻡ ﻗﺎﻋﺩﺓ ﺍﻟﺒﻴﺎﻨﺎﺕ
  • Redo Log Files
    • Administrating Users - إدارة المستخدمين
  • ﺇﻨﺸﺎﺀ ﻭﺇﺩﺍﺭﺓ ﺍﻟﻤﺴﺘﺨﺩﻤﻴﻥ
  • Quota
  • ﻭﺴﻴﻠﺔ ﺍﻟﺘﺤﻘﻴﻕ
  • ﺍﻟﺼﻼﺤﻴﺎﺕ - Privileges
  • ROLES
  • PROFILES
    • Database Security & Monitoring - تأمين ومراقبة قاعدة البيانات
  • Database Security
  • ﻤﺭﺍﻗﺒﺔ ﻗﺎﻋﺩﺓ ﺍﻟﺒﻴﺎﻨﺎﺕ - AUDITING
    • Oracle Net Services & Database Link & Metrlized Viewِ
  • Oracle Net Services
  • ﺍﻟﺘﺤﻜﻡ ﻓﻲ ﺍﻟﻭﺼﻭل ﻟﻘﺎﻋﺩﺓ ﺍﻟﺒﻴﺎﻨﺎﺕ
  • External Procedures
  • Clients Side
  • Database Link
  • Materialized Views
    • Undo Management & Flashback Technology
  • UNDO MANAGEMENT
  • Flashback Query
  • Flashback Table
  • Flashback Versions Query
  • Flashback Transaction
  • Flashback Drop
  • Flashback Database
    • Managing Shared Servers
  • Why Shared Server
  • Dedicated Server
  • Shared Server Architecture
  • ﻤﺘﻰ ﻨﺴﺘﺨﺩﻡ ﺍل Shared Server ؟
    • Using Globalization Support
  • Globalization
  • ﺍﺨﺘﻴﺎﺭ وتغيير ﺍل Character Set
  • ﻤﺴﺘﻭﻴﺎﺕ ﺍل Globalization
  • ﺍﺴﺘﺨﺩﺍﻡ ﺍل Zones Time
    • Logical Backup & Recovery
  • Use Export Utilities to Export Data
  • TABLES EXPORT Using Export Utilities
  • SCHEMAS EXPORT Using Export Utilities
  • TABLESPACE EXPORT Using Export Utilities
  • DATABASE EXPORT Using Export Utilities
  • Use Import Utilities to Import Data
  • TABLES IMPORT Using Import Utilities
  • SCHEMAS IMPORT Using Import Utilities
  • DATABASE IMPORT Using Import Utilities
  • DATA PUMP
  • TABLES EXPORT Using Data Pump
  • SCHEMAS EXPORT Using Data Pump
  • DATABASE EXPORT Using Data Pump
  • TABLES IMPORT Using Data Pump
  • SCHEMAS IMPORT Using Data Pump
  • DATABASE IMPORT Using Data Pump
  • SQL*Loader
    • Physical Backup & Recovery
  • Physical Backup
  • ﻜﻴﻑ ﻨﻬﻴﺊ ﻗﺎﻋﺩﺓ ﺍﻟﺒﻴﺎﻨﺎﺕ ﻟﺘﻌﻤل ﻓﻲ ﺍﻟﻨﻤﻁ ARCHIVELOG؟
  • Cold Backup
  • Full Database Recovery
  • Loss of a Non-SYSTEM Data File
  • Loss of a SYSTEM Data File
  • Loss of an Un-archived Online Log Files
  • Loss of Control Files
  • Loss Unbackup Datafile
  • Damage Tempfile
  • Damage Temporary Tablespace
  • Damage Online Logfile Member
  • Point in Time Recovery
  • Backup and Recovery Options
  • Hot Backup
    • Recovery Manager (RMAN)
  • مقدمة
  • مكونات ال Recovery Manager (RMAN)
  • ﺃﻨﻭﺍﻉ ﺍﻻﺘﺼﺎل ﺒﺎل RMAN
  • ﺨﻴﺎﺭﺍﺕ وأنماط ﺍﻟﻨﺴﺦ ﺍﻹﺤﺘﻴﺎﻁﻰ
  • RMAN Configuration Setting
  • Recovery Catalog
  • RMAN Backups
  • Data Files Backup
  • Tablespaces Backup
  • Archived Redo Log Files Backup
  • Control File Backup
  • Database Backup
  • Incremental Backups
  • RMAN Commands
  • Complete Recovery
  • Incomplete Recovery
  • Restore ControlFile and spfile
    • Managing Resources
  • Consumer Groups
  • Resource Manager Plans
  • Resource Manager Configuration
  • Create Consumer Group
  • Update Consumer Group
  • Delete Consumer Group
  • Privileges & Resource Manager
  • Join To Consumer Group
  • Move Active User To Other Consumer Group
  • Create Resource Manager Plans & Directive
  • Update Resource Manager Plans
  • Update Resource Manager Plan Directives
  • Delete Resource Manager Plan Directives
  • Delete Resource Manager Plans
  • Create Simple Plan
  • Consumer Group Mapping
    • Automating Tasks with the Scheduler
  • The Scheduler Architecture
  • Jobs
  • Programs
  • Schedules
  • Using Programs and Schedules
  • Job Classes
  • Windows
  • (Privileges) ﺍﻟﺼﻼﺤﻴﺎﺕ
  • Job Logs
    • Dealing with Locking
  • Shared & Exclusive Locks
  • Manual Lock Table
  • The Enqueue Mechanism
  • Lock Contention
  • Deadlocks
    • Diagnostic Sources
  • Alert Log
  • Background Trace Files
  • Server-Generated Alerts
  • Editing Thresholds
  • User Trace Files
  • Instance-Level SQL Tracing
  • Session-Level SQL Tracing
    • Dealing With Database Corruption
  • Block Corruption
  • ﺍﻜﺘﺸﺎﻑ ﺍﻟﻜﺘل ﺍﻟﻔﺎﺴﺩﺓ (Detecting Block Corruptions)
  • The DBVERIFY Utility
  • The ANALYZE Command
  • DBMS_REPAIR Backage
  • ﺍﺴﺘﺭﺠﺎﻉ ﺍﻟﻜﺘل ﺍﻟﻔﺎﺴﺩﺓ ﺒﻭﺍﺴﻁﺔ ﺍل:RMAN
    • Managing & Monitoring Memory
  • The System Global Area
  • The Shared Pool
  • The Database Buffer Cache
  • The Default, Keep, and Recycle Pools
  • The Nonstandard Block Size Pools
  • Sizing the Database Buffer Cache
  • The Log Buffer
  • The Large Pool
  • The Java Buffer
  • The Steams Buffer
  • Automatic Shared Memory Management
  • Enable Automatic Shared Memory Management
  • The Program Global Area (PGA)
    • Performance Tunning
  • Invalid Objects
  • Unusable Indexes
  • Rebuild Invalid Inexes
  • Optimizer Statistics
  • Gathering Statistics
  • The Automatic Workload Repository (AWR)
  • The Automatic Database Diagnostic Monitor (ADDM)
  • The SQL Tuning Advisor
  • The SQL Access Advisor
  • The Mean Time to Recover Advisor
  • The Segment Advisor
  • The Undo Advisor

    • Recovery Manager (RMAN)

    Recovery Catalog

    ﻗﺒل ﺍﻟﺤﺩﻴﺙ ﻋﻥ ﺍﻟﻨﺴﺦ ﺍﻻﺤﺘﻴﺎﻁﻲ ﻭﺍﻻﺴﺘﺭﺠﺎﻉ (Backup & Recovery)  ﺒﻭﺍﺴﻁﺔ ﺍلRMAN ﻻﺒﺩ ﻤﻥ ﺍﻟﺤﺩﻴﺙ ﻋﻥ ﺍلRecovery Catalog ﻭﺫﻟﻙ ﻷﻨﻪ ﻴﻔﻀل ﻟﻤﺩﻴﺭ ﻗﺎﻋﺩﺓ ﺍﻟﺒﻴﺎﻨﺎﺕ

    ﺍﺴﺘﺨﺩﺍﻡ ﺍلRecovery Catalog ﻋﻨﺩ ﺍﻟﺘﻌﺎﻤل ﻤﻊ ﺍلRMAN ﻭﺫﻟﻙ ﻷﻥ ﺍﻻﺤﺘﻔﺎﻅ بالمعلوماتﺍﻟﺨﺎﺼﺔ ﺒﺎلRMAN ﻭﻤﻌﻠﻭﻤﺎﺕ ﺍﻟﻨﺴﺦ ﺍﻻﺤﺘﻴﺎﻁﻲ ﻓﻲ ﺍلControl File ﺘﻜﻭﻥ ﻟﻔﺘﺭﺓ ﻤﺤﺩﻭﺩﺓ

    ﻴﺘﻡ ﺘﺤﺩﻴﺩﻫﺎ ﺒﻭﺍﺴﻁﺔ ﺍﻟﻤﺘﻐﻴﺭ CONTROL_FILE_RECORD_KEEP_TIME  ﻜﻤﺎ ﺃﻨﻪ ﻗﺩ ﻨﻔﻘﺩ ﻫﺫﻩ المعلوماتﺇﺫﺍ ﻓﻘﺩﻨﺎ ﺍلControl File ﻭﻟﻡ ﻨﻀﻊ ﺍﻻﺤﺘﻴﺎﻁﺎﺕ ﺍﻟﻼﺯﻤﺔ.

    ﺍلRecovery Catalog ﻫﻭ ﻋﺒﺎﺭﺓ Schema ﻴﺘﻡ ﺇﻨﺸﺎﺅﻫﺎ ﻓﻲ ﻗﺎﻋﺩﺓ ﺍﻟﺒﻴﺎﻨﺎﺕ ﻟﺘﺨﺯﻴﻥ ﺍﻟﻤﻌﻠﻭﻤﺎﺕ ﺍﻵﺘﻴﺔ:-

    1- Data File and Archive Log File Backup Sets and Backup Pieces.

    2- Data File Copies.

    3- Archive Log Files.

    4- The Physical Structure of The Target Database.

    5- Persistent RMAN Configuration Settings.

    6- Stored Job Scripts.

     

    ﻜﻤﺎ ﻴﻤﻜﻥ ﺍﺴﺘﺨﺩﺍﻡ ﺍلRecovery Catalog ﻋﻨﺩﻤﺎ ﻨﺭﻴﺩ ﺇﺩﺍﺭﺓ ﻋﺩﺩ ﻤﻥ ﻗﻭﺍﻋﺩ ﺍﻟﺒﻴﺎﻨﺎﺕ ﺍﻟﻤﺴﺘﻬﺩﻓﺔ، ﻭﻋﻤﻭﻤﹰﺎ ﻴﻔﻀل ﺃﻥ ﻴﺴﺘﺨﺩﻡ ﺍلRecovery Catalog  ﻋﻨﺩ ﺍﺴﺘﺨﺩﺍﻡ ﺍلRMAN.

    ﻟﺫﺍ ﺴﺄﻗﻭﻡ ﻫﻨﺎ ﺒﺈﻨﺸﺎﺀ ﺍلRecovery Catalog ﻭﻤﻥ ﺜﻡ ﺴﻨﺴﺘﺨﺩﻤﻪ ﻓﻴﻤﺎ ﺒﻌﺩ ﻟﻌﻤل ﺍﻟﻨﺴﺦ ﺍﻻﺤﺘﻴﺎﻁﻲ ﻭﺍﻻﺴﺘﺭﺠﺎﻉ، ﻭﺍﻟﻴﻙ ﺨﻁﻭﺍﺕ ﺍﻹﻨﺸﺎﺀ:-

     

    1- إنشاء Tablespace للRecovery Catalog في الCatalog database.

     

    CREATE TABLESPACE RMAN_CATALOG DATAFILE  'C:\oradata\RMAN_CATA LOG.DBF' SIZE ١G;

     

    2- إنشاء Schema للRecovery Catalog في الCatalog Database.

     

    CREATE USER TEST IDENTIFIED BY TEST DEFAULT TABLESPACE RMAN_CATALOG QUOTA UNLIMITED ON RMAN_CATALOG;

     

    3- ﻤﻨﺢ ﺍﻟﺼﻼﺤﻴﺎﺕ ﻟﻠﻤﺴﺘﺨﺩﻡ ﺍﻟﺫﻱ ﻗﻤﻨﺎ ﺒﺨﻠﻘﻪ ﻟلRecovery Catalog.

     

    GRANT RECOVERY_CATALOG_OWNER,CONNECT TO TEST;

     

    4- ﻨﻘﻭﻡ ﺒﺈﻨﺸﺎﺀ ﺍلCatalog ﻋﻥ ﻁﺭﻴﻕ ﺍلRMAN ﺒﻌﺩ ﺍﻻﺘﺼﺎل ﺒﺎلCatalog Database ﻭﻫﻭ ﺒﻤﻌﻨﻰ ﻌﺭﻴﻑ ﺍلRMAN ﻋﻠﻰ ﺍلCatalog ﺍﻟﺫﻱ ﻗﻤﻨﺎ ﺒﺨﻠﻘﻪ ﻓﻲ ﺍﻟﺨﻁﻭﺍﺕ ﺍﻟﺴﺎﺒﻘﺔ.

     

    RMAN> CREATE CATALOG TABLESPACE RMAN_CATALOG;

     

    ﻓﻲ ﻫﺫﻩ ﺍﻟﻠﺤﻅﺔ ﻴﺘﻡ ﺇﻨﺸﺎﺀ ﺍﻟﺠﺩﺍﻭل ﻭﺍﻟﻤﻨﺎﻅﻴﺭ (Tables and Views)  ﺍﻟﺘﻲ ﺴﻭﻑ ﻴﺘﻡ ﺘﺨﺯﻴﻥ ﺍﻟﺒﻴﺎﻨﺎﺕ ﻓﻴﻬﺎ في الRecovery Catalog schema.

    5- ﻨﻘﻭﻡ ﺒﺘﺴﺠﻴل ﻗﺎﻋﺩﺓ ﺍﻟﺒﻴﺎﻨﺎﺕ ﺍﻟﻤﺴﺘﻬﺩﻓﺔ ﻓﻲ ﺍلCatalog ﻭﺫﻟﻙ ﻋﻥ ﻁﺭﻴﻕ ﺍلRMAN ﺒﻌﺩ ﺍﻻﺘﺼﺎل ﺒﻜل ﻤﻥ ﻗﺎﻋﺩﺓ ﺍﻟﺒﻴﺎﻨﺎﺕ ﺍﻟﻤﺴﺘﻬﺩﻓﺔ Target Database ﻭﺍﻻﺘﺼﺎل ﺒﺎلRecovery Catalog.

    ﻜﻤﺎ ﻴﺠﺏ ﺍﻹﺸﺎﺭﺓ ﺇﻟﻰ ﻀﺭﻭﺭﺓ ﺍﻻﺘﺼﺎل ﻤﻊ ﻗﺎﻋﺩﺓ ﺍﻟﺒﻴﺎﻨﺎﺕ ﺍﻟﻤﺴﺘﻬﺩﻓﺔ ﺒﻭﺍﺴﻁﺔ ﻤﺴﺘﺨﺩﻡ ﻴﻤﻠﻙ ﺍﻟﺼﻼﺤﻴﺔ SYSDBA، ﻭﻤﻥ ﺜﻡ ﺘﺴﺠﻴل ﻗﺎﻋﺩﺓ ﺍﻟﺒﻴﺎﻨﺎﺕ ﺍﻟﻤﺴﺘﻬﺩﻓﺔ ﻓﻲ ﺍلCatalog.

    ﺍﻵﻥ ﺴﻭﻑ ﻴﺘﻡ ﺘﺴﺠﻴل ﻫﻴﻜﻠﺔ ﻗﺎﻋﺩﺓ ﺍﻟﺒﻴﺎﻨﺎﺕ ﺍﻟﻤﺴﺘﻬﺩﻓﺔ ﻓﻲ ﺠﺩﺍﻭل ﺍلRecovery Catalog.

     

    RMAN> REGISTER DATABASE;

     

    ﻓﻲ ﻫﺫﻩ ﺍﻟﻠﺤﻅﺔ ﻴﺘﻡ ﺘﺴﺠﻴل ﺍﻟﺒﻴﺎﻨﺎﺕ ﺍﻟﺨﺎﺼﺔ ﺒﻘﺎﻋﺩﺓ ﺍﻟﺒﻴﺎﻨﺎﺕ ﺍﻟﻤﺴﺘﻬﺩﻓﺔ ﻓﻲ ﺍلRecovery Catalog.

    ﻴﻤﻜﻨﻙ ﻋﻤل ﺍﺴﺘﻌﻼﻡ ﻋﻥ ﺫﻟﻙ ﻤﻥ ﺨﻼل ﺍﻟﺠﺩﺍﻭل ﺍﻟﻤﻭﺠﻭﺩﺓ ﻓﻲ ﺍلSchema Recovery Catalog.

     

    ﺍﻵﻥ ﻟﺩﻴﻨﺎ ﻗﺎﻋﺩﺓ ﺒﻴﺎﻨﺎﺕ ﻤﺴﺘﻬﺩﻓﺔ Target Database ﻭﻟﺩﻴﻨﺎ Recovery Catalog.

      ﺒﺎﻟﻁﺒﻊ ﺇﺫﺍ ﻟﻡ ﻴﺘﻡ ﺘﺴﺠﻴل ﻗﺎﻋﺩﺓ ﺍﻟﺒﻴﺎﻨﺎﺕ ﻓﻠﻥ ﻨﺴﺘﻁﻴﻊ ﺘﺨﺯﻴﻥ ﺍﻟﺒﻴﺎﻨﺎﺕ ﻋﻥ ﻗﺎﻋﺩﺓ ﺍﻟﺒﻴﺎﻨﺎﺕ ﺍﻟﻤﺴﺘﻬﺩﻓﺔ ﻓﻲ ﺍلRecovery Catalog.

    ﻓﻲ ﻫﺫﻩ ﺍﻟﻠﺤﻅﺔ ﻫﻴﻜﻠﺔ ﻗﺎﻋﺩﺓ ﺍﻟﺒﻴﺎﻨﺎﺕ ﺍﻟﻤﺴﺘﻬﺩﻓﺔ ﻤﺨﺯﻨﺔ ﻟﺩﻯ ﻓﻲ ﺍلRecovery Catalog.

    ﻭﺒﺎﻟﻁﺒﻊ ﻟﻴﺱ ﻟﺩﻯ ﻀﻤﺎﻥ ﻤﻥ ﺃﻥ ﻴﺘﻡ ﺘﻐﻴﻴﺭ ﻫﻴﻜﻠﺔ ﻗﺎﻋﺩﺓ ﺍﻟﺒﻴﺎﻨﺎﺕ ﺍﻟﻤﺴﺘﻬﺩﻓﺔ ﻟﺫﺍ ﻨﺤﺘﺎﺝ ﻹﻋﺎﺩﺓ ﺘﺯﺍﻤﻥ ﺍلRecovery Catalog ﻤﻥ ﺍلControl File

    ﺍﻟﻤﻭﺠﻭﺩ ﻓﻲ ﻗﺎﻋﺩﺓ ﺍﻟﺒﻴﺎﻨﺎﺕ ﺍﻟﻤﺴﺘﻬﺩﻓﺔ ﺤﺘﻰ ﻴﺘﻡ ﺘﺯﺍﻤﻥ ﻜﺎﻤل ﺒﻴﻥ ﻗﺎﻋﺩﺓ ﺍﻟﺒﻴﺎﻨﺎﺕ ﺍﻟﻤﺴﺘﻬﺩﻓﺔ ﻭﺍلRecovery Catalog،

    ﻓﻲ ﺍﻟﺤﻘﻴﻘﺔ ﺍلRMAN ﺘﻘﻭﻡ ﺒﻌﻤل ﻫﺫﺍ ﺍﻟﺘﺯﺍﻤﻥ ﺃﻟﻴﺎﹰ ﻤﺘﻰ ﺍﺤﺘﺎﺠﺕ ﺇﻟﻰ ﺫﻟﻙ، ﺃﻨﺕ ﺃﻴﻀﺎﹰ ﻗﺩ ﺘﻘﻭﻡ ﺒﺫﻟﻙ ﻴﺩﻭﻴﺎﹰ ﺒﻭﺍﺴﻁﺔ ﺍﻷﻤﺭ RESYNC CATALOG.

     

    RMAN> RESYNC CATALOG;

     

    ﻋﻤﻭﻤﹰﺎ ﻗﺩ ﻨﺤﺘﺎﺝ ﺇﻟﻰ ﻫﺫﺍ ﺍﻹﺠﺭﺍﺀ ﻋﻨﺩ ﺇﻨﺸﺎﺀ ﺃﻭ ﺤﺫﻑ Tablespace ﺃﻭ Data File ﺃﻭ ﻋﻨﺩ ﺘﻐﻴﻴﺭ ﻤﻜﺎﻥ ﺍلDatabase Files.

    ﻓﻲ ﺒﻌﺽ ﺍﻷﺤﻴﺎﻥ ﻴﺘﻡ ﻓﺘﺢ ﻗﺎﻋﺩﺓ ﺍﻟﺒﻴﺎﻨﺎﺕ ﺍﻟﻤﺴﺘﻬﺩﻓﺔ ﻓﻲ ﺍﻟﻭﻀﻊ RESETLOGS ﻻ ﺸﻙ ﺃﻥ ﻓﻲ ﻤﺜل ﻫﺫﻩ ﺍﻟﺤﺎﻟﺔ ﻻ ﻴﻜﻭﻥ ﺘﺯﺍﻤﻥ ﺒﻴﻥ ﻗﺎﻋﺩﺓ ﺍﻟﺒﻴﺎﻨﺎﺕ ﺍﻟﻤﺴﺘﻬﺩﻓﺔ ﻭﺍلCatalog Recovery,

    ﻟﺫﺍ ﻓﻲ ﻤﺜل ﻫﺫﻩ ﺍﻟﺤﺎﻟﺔ ﻨﺴﺘﺨﺩﻡ ﺍﻷﻤﺭ RESET DATABASE.

    ﻋﻤﻭﻤﹰﺎ ﻫﺫﺍ ﻟﻴﺱ ﻜل ﺸﻲ ﻋﻥ ﺍلRecovery Catalog ﻭﻟﻜﻥ ﻫﺫﺍ ﻤﺎ ﺘﺤﺘﺎﺠﻪ ﺍﻵﻥ ﻭﺴﻨﻭﺍﺼل ﺍﻟﻨﻘﺎﺵ ﻓﻲ ﻫﺫﺍ ﺍﻟﻤﻭﻀﻭﻉ ﻻﺤﻘﺎﹰ،

    ﻭﻟﻜﻥ ﻴﺠﺏ ﺃﻥ ﺘﺘﺫﻜﺭ ﺃﻨﻙ ﻗﺩ ﻻ ﺘﺤﺘﺎﺝ ﺍلRecovery Catalog ﺇﻁﻼﻗﺎﹰ، ﻓﻘﺩ ﺘﺘﺼل ﺒﻘﺎﻋﺩﺓ ﺍﻟﺒﻴﺎﻨﺎﺕ ﺍﻟﻤﺴﺘﻬﺩﻓﺔ ﻋﻥ ﻁﺭﻴﻕ ﺍلRMAN ﻭﻤﻥ ﺜﻡ ﺘﻨﺠﺯ ﻤﻬﺎﻤﻙ

    ﻟﻜﻥ ﺘﺫﻜﺭ ﺃﻴﻀﺎﹰ ﺃﻥ ﻤﻥ ﺍﻷﻓﻀل ﻟﻙ ﺃﻥ ﺘﺴﺘﺨﺩﻡ ﺍلRecovery Catalog.

     

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