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

    • Physical Backup & Recovery

    Loss of Control Files

    ﻓﻲ ﻫﺫﺍ ﺍﻟﺴﻴﻨﺎﺭﻴﻭ ﺘﺼﻭﺭ ﻤﻌﻲ ﺃﻨﻙ ﻓﻘﺩ ﺠﻤﻴﻊ ﻤﻠﻔﺎﺕ ﺍلControl Files ، ﺒﺎﻟﻁﺒﻊ ﻗﺎﻋﺩﺓ ﺍﻟﺒﻴﺎﻨﺎﺕ ﻻ ﺘﻌﻤل ﺩﻭﻥ ﻭﺠﻭﺩ ﺍلControl File،

    ﻭﻟﻭ ﺃﻨﻙ ﻓﻘﺩﺕ ﺍﺤﺩ ﻤﻠﻔﺎﺕ ﺍلControl File ﻟﻜﺎﻥ ﺍﻷﻤﺭ ﺴﻬل؛ ﻓﻨﻘﻭﻡ ﺒﻌﻤل ﻨﺴﺦ ﻷﺤﺩ ﻤﻠﻔﺎﺕ ﺍلControl Files ﺍﻟﻤﻭﺠﻭﺩﺓ ﻭﻨﻀﻌﻪ ﻤﻜﺎﻥ ﺍﻟﻤﻠﻑ ﺍﻟﻤﻔﻘﻭﺩ

    ﻭﻟﻜﻥ ﻫﻨﺎ ﻓﻘﺩﻨﺎ ﺠﻤﻴﻊ ﻤﻠﻔﺎﺕ ﺍلControl Files، ﺒﺎﻟﻁﺒﻊ ﺴﺘﺘﻭﻗﻑ ﻗﺎﻋﺩﺓ ﺍﻟﺒﻴﺎﻨﺎﺕ ﻋﻥ ﺍﻟﻌﻤل ﻭﺇﺫﺍ ﻟﻡ ﺘﺘﻭﻗﻑ ﻴﺠﺏ ﺇﻴﻘﺎﻓﻬﺎ ﻓﻭﺭﺍﹰ (Shut Abort)  ﺇﻟﻰ ﺤﻴﻥ

    ﻋﻤل ﺇﺠﺭﺍﺀ ﺴﺭﻴﻊ ﻹﻨﻘﺎﺫ ﻗﺎﻋﺩﺓ ﺍﻟﺒﻴﺎﻨﺎﺕ.

    ﻓﻲ ﻤﺜل ﻫﺫﺍ ﺍﻟﺴﻴﻨﺎﺭﻴﻭ ﻫﻨﺎﻙ ﺨﻴﺎﺭﻴﻥ ﻟﻺﻨﻘﺎﺫ:-

    الخيار الأول:

    ﻨﻘﻭﻡ ﺒﺈﻨﺸﺎﺀ Control File ﻤﻥ ﺠﺩﻴﺩ ﺒﺎﺴﺘﺨﺩﺍﻡ ﺍﻟﻜﻭﺩ Create Controlfile، ﻭﺫﻟﻙ ﺒﻤﺴﺎﻋﺩﺓ ﺍلTrace Control File  ﺇﻥ ﻭﺠﺩ، ﻭﺍﻷﻓﻀل ﻟﻤﺩﻴﺭ ﻗﺎﻋﺩﺓ ﺍﻟﺒﻴﺎﻨﺎﺕ

    ﺃﻥ ﻴﻘﻭﻡ ﺒﻌﻤل Backup Trace To Controlfile ﻜل ﻤﺎ ﻗﺎﻡ ﺒﺘﻐﻴﺭ ﻫﻴﻜﻠﺔ ﻗﺎﻋﺩﺓ ﺍﻟﺒﻴﺎﻨﺎﺕ ﺤﺘﻰ ﻴﺴﺘﻔﻴﺩ ﻤﻥ ﻤﻠﻑ ﺍلTrace ﻓﻲ ﺇﻨﺸﺎﺀ ﺍلFile Control ﻻﺤﻘﺎﹰ

    ﻓﻲ ﺤﺎل ﺍﻨﻪ ﻓﻘﺩ ﺠﻤﻴﻊ ﻤﻠﻔﺎﺕ ﺍلControl Files، ﻭﻟﻜﻥ ﺤﺘﻰ ﻟﻭ ﻟﻡ ﻴﻘﻡ ﻤﺩﻴﺭ ﻗﺎﻋﺩﺓ ﺍﻟﺒﻴﺎﻨﺎﺕ ﺒﻬﺫﺍ ﺍﻹﺠﺭﺍﺀ ﻓﻴﻤﻜﻨﻪ ﺍﻟﻘﻴﺎﻡ ﺒﺈﻨﺸﺎﺀ ﻤﻠﻑ ﺍلControl File ﻋﻥ ﻁﺭﻴﻕ

    ﻜﺘﺎﺒﺔ ﺍﻟﻜﻭﺩ ﻴﺩﻭﻴﺎﹰ ﺤﺴﺏ ﻫﻴﻜﻠﺔ ﻗﺎﻋﺩﺓ ﺍﻟﺒﻴﺎﻨﺎﺕ.

    ﻋﻤﻭﻤﹰﺎ ﻴﺴﺘﻁﻴﻊ ﻤﺩﻴﺭ ﻗﺎﻋﺩﺓ ﺍﻟﺒﻴﺎﻨﺎﺕ ﻋﻤل Backup Controlfile To Trace.

     

    ALTER DATABASE BACKUP CONTROLFILE TO TRACE;

     

    ﻴﻨﺘﺞ ﻤﻥ ﻫﺫﺍ ﺍﻹﺠﺭﺍﺀ Trace File ﻫﻭ ﻋﺒﺎﺭﺓ ﻋﻥ ﻤﻠﻑ ﻨﺼﻲ ﻴﺤﻭﻯ ﻜﻭﺩ ﺇﻨﺸﺎﺀ ﺍلControl File ﻴﻤﻜﻥ ﺍﺴﺘﺨﺩﺍﻤﻪ ﻻﺤﻘﺎﹰ ﻹﻨﺸﺎﺀ ﺍلControl File ﻋﻨﺩﻤﺎ ﻨﺤﺘﺎﺝ ﺇﻟﻰ ﺫﻟﻙ،

    ﻭﻴﻭﺠﺩ ﻫﺫﺍ ﺍﻟﻤﻠﻑ ﻓﻲ ﺍﻟﻤﺴﺎﺭ ﺍﻟﻤﺤﺩﺩ ﻋﻠﻰ ﺍﻟﻤﺘﻐﻴﺭ USER_DUMP_DEST.

    ﻭﺍﻟﻴﻙ ﺨﻁﻭﺍﺕ ﺇﻨﺸﺎﺀ Control File:

    1- ﺘﺸﻐﻴل ﻗﺎﻋﺩﺓ ﺍﻟﺒﻴﺎﻨﺎﺕ ﻓﻲ ﺍﻟﻭﻀﻊ NOMOUNT.

     

    STARTUP NOMOUNT;

     

    2- ﻨﻘﻭﻡ ﺒﻜﺘﺎﺒﺔ ﺃﻭ ﺘﺠﻬﻴﺯ ﻜﻭﺩ ﺇﻨﺸﺎﺀ ﺍلControl File ﻤﻥ ﻤﻠﻑ ﺍلTrace ﺇﻥ ﻭﺠﺩ ﺃﻭ ﻜﺘﺎﺒﺘﻪ ﻴﺩﻭﻴﺎﹰ،

    ﻭﺍﻟﻴﻙ ﻤﺜﻼﹰ ﻟﻤﻠﻑ ﻴﺤﻭﻯ ﻜﻭﺩ ﺇﻨﺸﺎﺀ ﺍلControl File ﻗﻤﺕ ﺒﻨﺴﺨﻪ ﻤﻥ ﻤﻠﻑ ﺍلTrace File ﻭﺤﻔﻅﺘﻪ ﻓﻲ ﻤﻠﻑ ﺴﻤﻴﺘﻪ CONT.SQL.

    3- ﻨﻘﻭﻡ ﺒﺘﻨﻔﻴﺫ ﺍﻟﻜﻭﺩ ﺃﻋﻼﻩ ﻜﻤﺎ ﻓﻲ ﺍﻟﺸﻜل 5-14، ﻟﻜﻥ ﻴﺠﺏ ﺘﻨﻔﻴﺫ ﺍﻟﻜﻭﺩ ﻭﻨﺤﻥ ﻓﻲ ﺍﻟﻭﻀﻊ NOMOUNT.

     

    @C:\CONT.SQL

     

    4- ﺜﻡ ﻨﻔﺘﺢ ﻗﺎﻋﺩﺓ ﺍﻟﺒﻴﺎﻨﺎﺕ ﻓﻲ ﺍﻟﻭﻀﻊ RESETLOGS.

     

    ALTER DATABASE OPEN RESETLOGS;

     

     

    ﺍﻟﺨﻴﺎﺭ ﺍﻟﺜﺎﻨﻲ : -

    ﻫﻨﺎ ﻨﻘﻭﻡ ﺒﺎﺴﺘﺭﺠﺎﻉ ﻤﻠﻑ ﺍلFile Control ﻤﻥ ﺍﻟﻨﺴﺦ ﺍﻹﺤﺘﻴﺎﻁﻰ.

    1- ﻨﻘﻭﻡ ﺒﻌﻤل Restore ﻟﻤﻠﻔﺎﺕ ﺍلControl File ﻤﻥ ﺍﻟﻨﺴﺦ ﺍﻹﺤﺘﻴﺎﻁﻰ.

    2- ﺜﻡ ﻨﻔﺘﺢ ﻗﺎﻋﺩﺓ ﺍﻟﺒﻴﺎﻨﺎﺕ ﻓﻲ ﺍﻟﻭﻀﻊ MOUNT.

     

    STARTUP MOUNT

     

    3- ﺜﻡ ﻨﻘﻭﻡ ﺒﻌﻤل Recovery.

     

    RECOVER DATABASE USING BACKUP CONTROLFILE UNTIL CANCCEL;

     

    ﻻﺤﻅ ﺍﻨﻪ ﺒﻌﺩ ﺒﺩﺀ ﻋﻤﻠﻴﺔ ﺍﻻﺴﺘﺭﺠﺎﻉ ﻗﺩ ﻨﺤﺘﺎﺝ ﻟﺘﺤﺩﻴﺩ ﺍلRedolog Files ﻹﻜﻤﺎل ﻋﻤﻠﻴﺔ ﺍﻻﺴﺘﺭﺠﺎﻉ ﺃﻭ ﻨﻘﻭﻡ ﺒﻌﻤل ﺫﻟﻙ ﺃﻟﻴﺎﹰ ﺒﻜﺘﺎﺒﺔ ﺍﻟﺨﻴﺎﺭ AUTO،

    ﻭﻫﻨﺎﻙ ﺨﻴﺎﺭ ﺁﺨﺭ ﻫﻭ CANCEL ﻹﻨﻬﺎﺀ ﻋﻤﻠﻴﺔ ﺍﻻﺴﺘﺭﺠﺎﻉ، ﻟﻜﻥ ﺇﺫﺍ ﻗﻤﺕ ﺒﻜﺘﺎﺒﺔ Redolog File ﻨﻘﻭﻡ ﺒﺈﻋﺎﺩﺓ ﺍﻟﺨﻁﻭﺓ ﻤﺭﺓ ﺃﺨﺭﻯ ﺒﺘﺤﺩﻴﺩ ﺍلRedolog Files ﺍﻷﺨﺭﻯ.

    [Must be current Redolog file , else repeat this steps with other Redolog groups member]

     

    4- ﺃﺨﻴﺭﺍﹰ ﻨﻔﺘﺢ ﻗﺎﻋﺩﺓ ﺍﻟﺒﻴﺎﻨﺎﺕ ﻓﻲ ﺍﻟﻭﻀﻊ RESETLOGS.

     

    ALTER DATABASE OPEN RESETLOGS;

     

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