Solution Guide for Migrating Oracle on UNIX to SQL Server - Willy .Net

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ivContentsBuild the Physical Design ................................................................................................................48Incorporate Design Considerations.........................................................................................................50Hardware Design Considerations ....................................................................................................50Validate the Technology .........................................................................................................................50SQL Server Editions and Features ..................................................................................................51Windows Server 2003......................................................................................................................52Technical Proof of Concept .............................................................................................................52Develop the Project Plans.......................................................................................................................53Development Plan ...........................................................................................................................53Stabilizing Phase Plans ...................................................................................................................55Test Plan .........................................................................................................................................55Pilot Plan .........................................................................................................................................59Deployment Plan .............................................................................................................................60Create the Project Schedules .................................................................................................................63Estimating the Ef<strong>for</strong>t ........................................................................................................................63Set Up the Development and Test Environments ...................................................................................65Developing: Databases — Introduction .................................................................................... 67Introduction and Goals............................................................................................................................67<strong>Migrating</strong> the Database...........................................................................................................................68Developing: Databases — <strong>Migrating</strong> the Database Architecture ........................................... 71Introduction and Goals............................................................................................................................71Build the SQL Server Instance................................................................................................................71Pre-Installation Planning..................................................................................................................72Installation .......................................................................................................................................72Configure the Server...............................................................................................................................73Configure Memory ...........................................................................................................................74Set the CPU Affinity.........................................................................................................................76Configure the Listener .....................................................................................................................77Migrate the Storage Architecture ............................................................................................................77Blocks ..............................................................................................................................................77Extents and Segments.....................................................................................................................78Tablespaces and Datafiles ..............................................................................................................79Storage Definition <strong>for</strong> Tables and Indexes.......................................................................................81Migrate System Storage Structures.................................................................................................82Developing: Databases — <strong>Migrating</strong> Schemas ........................................................................ 83Introduction and Goals............................................................................................................................83Scripting Migrated Schema Objects........................................................................................................84Script Everything..............................................................................................................................84Provide Support Documentation......................................................................................................84Protect the Scripts ...........................................................................................................................84Migrate the Schema................................................................................................................................85Map the Storage Architecture ..........................................................................................................85Create Databases <strong>for</strong> the Schema...................................................................................................87Create Filegroups <strong>for</strong> the Tablespaces............................................................................................90Add Datafiles to Filegroups..............................................................................................................90Add Transaction Logs......................................................................................................................91Sample Schema Migration...............................................................................................................91Migrate the Schema Objects...................................................................................................................98Create the Schema Owner ..............................................................................................................98Create the Schema Objects...........................................................................................................102Comments .....................................................................................................................................111Constraints ....................................................................................................................................111Triggers .........................................................................................................................................119Indexes ..........................................................................................................................................121Views .............................................................................................................................................123Stored Programs............................................................................................................................126<strong>Solution</strong>s <strong>for</strong> Objects not Found in SQL Server .............................................................................129Sample Schema Object Migration .................................................................................................132
ContentsvDeveloping: Databases — <strong>Migrating</strong> the Database Users .................................................... 143Introduction and Goals..........................................................................................................................143Create User Accounts...........................................................................................................................143Create Roles and Grant Privileges .......................................................................................................145Sample User Migration .........................................................................................................................147Developing: Databases — <strong>Migrating</strong> the Data........................................................................ 153Introduction and Goals..........................................................................................................................153Planning the Data Migration..................................................................................................................153Options <strong>for</strong> Migration .....................................................................................................................153Factors in Migration .......................................................................................................................155Migration Strategy..........................................................................................................................156Executing the Data Migration................................................................................................................157Pre-Implementation Tasks.............................................................................................................158Implementation Tasks....................................................................................................................160Post-Implementation Tasks ...........................................................................................................165Validating the Data Migration.........................................................................................................165Developing: Databases — Unit Testing the Migration........................................................... 167Introduction and Goals..........................................................................................................................167Objectives of Testing ............................................................................................................................167The Testing Process.............................................................................................................................168Test Database Integrity..................................................................................................................169Test Security..................................................................................................................................169Validate Data .................................................................................................................................170Validate the Migration ....................................................................................................................170Developing: Applications — Introduction............................................................................... 173Introduction and Goals..........................................................................................................................173Application Migration Strategies ...........................................................................................................174Interoperation ................................................................................................................................174Port or Rewrite to .NET Framework...............................................................................................175Port or Rewrite to Win32................................................................................................................175Quick Port Using Windows Services <strong>for</strong> UNIX...............................................................................176Scenarios and Cases............................................................................................................................176Developing: Applications —<strong>Migrating</strong> <strong>Oracle</strong> SQL and PL/SQL............................................ 177Introduction ...........................................................................................................................................177<strong>Migrating</strong> Data Access..........................................................................................................................177Sample Tables...............................................................................................................................179Migration Process Overview ..........................................................................................................181Step 1: Extraction of Data Access .................................................................................................182Step 2: Transaction Management..................................................................................................202Step 3: Fetch Strategy ...................................................................................................................203Step 4: Subprograms Conversion..................................................................................................206Step 5: Job Scheduling..................................................................................................................213Step 6: Interface File Conversion...................................................................................................217Step 7: Workflow Automation ........................................................................................................217Step 8: Per<strong>for</strong>mance Tuning..........................................................................................................218Developing: Applications — <strong>Migrating</strong> Perl............................................................................ 223Introduction and Goals..........................................................................................................................223Introduction to the Perl DBI Architecture...............................................................................................224Scenario 1: Interoperation of Perl on UNIX with SQL Server................................................................225Case 1: Interoperating an ODBC DBD Application........................................................................226Case 2: Interoperating an <strong>Oracle</strong> DBD Application........................................................................228Scenario 2: Porting the Perl Application to Windows ............................................................................232Case 1: Porting a Perl Application using ODBC DBD....................................................................232Case 2: Porting a Perl Application Using <strong>Oracle</strong> DBD...................................................................234Developing: Applications — <strong>Migrating</strong> PHP ........................................................................... 237Introduction and Goals..........................................................................................................................237PHP Modules........................................................................................................................................238Scenario 1: Interoperating PHP on UNIX with SQL Server...................................................................240Case 1: Interoperating a PHP Application Using ORA Functions ..................................................240
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328 OperationsWindows Environment O
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332 AppendicesOracle</stron
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362 AppendicesAppendix E: Reference
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Solution Guide for Migrating Oracle on UNIX to SQL Server - Willy .Net

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