TOOLS FOR DATA GOVERNANCE PASSIONATE BY DATA AND THE PRECISION OF THE RESULTS

DOMAIN REVER DBMS Data Access Processes Presentation Programs management (web server, transactional, jcl, …) Data DBMS Data Access Processes Presentation Programs management REVER DATA are at the HEART of I.S. And guaranteeing BUSINESS CONTINUITY DATA are at the HEART of I.S. And guaranteeing BUSINESS CONTINUITY

SOLUTIONS EVOLVE-EASY DEV-EASY D.I.S.Q. S.E.A.L. DOC-EASY SHARED KNOWLEDGE SHARED KNOWLEDGE RISKLESS ÉVOLUTIONS DATA QUALITY I.S. QUALITY DATA QUALITY I.S. QUALITY DB-MAIN KNOWLEDGE MODELLING TESTS ACCELERATOR EXTRACTIONS, ANONYMIZATIONS, GENERATIONS, COMPARISONS TESTS ACCELERATOR EXTRACTIONS, ANONYMIZATIONS, GENERATIONS, COMPARISONS DEVELOPMENT ACCELERATOR DATA ACCESS LAYER DEVELOPMENT ACCELERATOR DATA ACCESS LAYER

MODELLING DB-MAIN GENERATORS ANALYZERS. DATABASES STRUCTURES AND RULES DATABASES STRUCTURES AND RULES PROGRAMS & PROCESSES SOURCE CODE DATA DATABASE SOURCE CODE DATABASE SOURCE CODE PROGRAMS & PROCESSES SOURCE CODE DATA DOC EASY EVOLVE EASY S.E.A.L.DEV EASY D.I.S.Q. DB_MAIN REPOSITORY LEGACY DB programs COBOL, PLI,.. programs COBOL, PLI,.. jcl Rel. DB programs JAVA, PHP,… programs JAVA, PHP,… Web services ARCHITECTURE

CHARACTERISTICS INDUSTRIAL  AUTOMATIC  CONTROL REVER SOLUTIONS AGILES  GENERIC  FLEXIBLE  PROGRAMMABLE SERVICES  SUBCONTRACTING  SUPPORT

BENEFITS DEADLINE DECREASE DEADLINE DECREASE WORKLOAS DECREASE WORKLOAS DECREASE RISKS DECREASE RISKS DECREASE PROCESSES AUTOMATISATION OBJECTS MODELLING SOLUTIONS FLEXIBILITY RESULTS RELIABILITY COMPLETE AND CONTINUOUS CONTROL OF THE PROGRAMS AND THE APPLICATIONS In order to act WITHOUT RISKS COMPLETE AND CONTINUOUS CONTROL OF THE PROGRAMS AND THE APPLICATIONS In order to act WITHOUT RISKS EXHAUSTIVENESS SPEED EXHAUSTIVENESS SPEED UNDERSTANDING RISKLESS UNDERSTANDING RISKLESS ADEQUACY AGILITY ADEQUACY AGILITY SECURITY QUALITY SECURITY QUALITY

SOLUTIONS EVOLVE-EASY DEV-EASY D.I.S.Q. S.E.A.L. DOC-EASY DB-MAIN

EVOLVE-EASY  APPLICATION RE_ENGINEERING  Re-writing  Use of a new database  Technical re-architecture  Applications spread over several DBMS types  Simplification of redundancy within application  …  DATA MIGRATION  To a new DB  To a software package  …  DATABASE MIGRATION  DATABASE MERGE  DATABASE SPLIT

PHASE IIIPROGRAMS ADAPTATION PHASE II DATA MIGRATION PHASE I I.S. UNDERSTANDING AND MASTERY PROJECT APPROACH ETL SOURCE I.S. understanding Data validation validation migration Wrappers Source code adaptation SOURCE - TARGET correspondences TARGET I.S. understanding TARGET I.S. design or

Data DBMS Data access Processes Presentation Programs management REVER I.S. UNDERSTANDING

DDL source code Source code inventory Source code inventory Programs source code & JCL Application technical schema (data logical model) structures & implicit links  Data – data links Application technical schema (data logical model) structures & implicit links  Data – data links Application architecture  Links data-programs  Links programs-programs  Links data-data  Applic.Cartography  Specific markings Application architecture  Links data-programs  Links programs-programs  Links data-data  Applic.Cartography  Specific markings REPOSITORY (DB-MAIN) Missing Source code Data validation conceptua- lization Non compliant data or rules DB technical schema (data physical model) structures & explicit links DB technical schema (data physical model) structures & explicit links Applic. «business» schema (data conceptual model) « Business » concepts Applic. «business» schema (data conceptual model) « Business » concepts Technical risk control  Galois graph  « weight watcher » Technical risk control  Galois graph  « weight watcher » I.S. UNDERSTANDING

APPLICATION TECHNICAL SCHEMA APPLICATION « BUSINESS » SCHEMA REVERSE- EASY DB-MAIN DB TECHNICAL SCHEMA THE DATA SCHEMA I.S. UNDERSTANDING Links via programs

APPLICATION CARTOGRAPHY APPLICATION ARCHITECTURE DATA - DATA PROGRAMS- PROGRAMS DATA - PROGRAMS I.S. UNDERSTANDING Applic.link

APPLICATION ARCHITECTURE DATA - DATA PROGRAMS - PROGRAMS DATA - PROGRAMS DATA FLOW I.S. UNDERSTANDING.

WEIGHT WATCHER RISKS CONTROL DATA LINKS PROGRAMS LINKS DATA PROGRAMS LINKS + += I.S. UNDERSTANDING

PHASE I I.S. UNDERSTANDING AND MASTERY PROJECT APPROACH SOURCE I.S. understanding TARGET I.S. understanding TARGET I.S. design or

RESULTS Database creation source code (DDL) TARGET I.S. DESIGN DB-MAIN Conceptual model SOURCE Model SOURCE Model TARGET model

PHASE II DATA MIGRATION PROJECT APPROACH ETL Data validation validation migration SOURCE - TARGET correspondences

RESULTS SOURCE-TARGET Incompatibility list Help tool for establishing the correspondences SOURCE - TARGET List of SOURCE tables and columns without correspondence List of TARGET tables and columns without correspondences DATA MIGRATION Conceptual model SOURCE model TARGET model DB-MAIN Correspondences

RESULTS DATA MIGRATION « Neutral » DB (only the tables) « Neutral » DB (only the tables) Unload/ Load Unload/ Load Validation requests execution Unload/ Load Unload/ Load Validation requests Non compliant data report (HTML) SOURCE I.S. Conceptual model SOURCE model TARGET model DB-MAIN Correspondences

RESULTS « Specific » transformations code « Standards » Transformations code Data migration code Migration securisation and validation code DATA MIGRATION Conceptual model SOURCE model TARGET model DB-MAIN Correspondences

DATA MIGRATION

PHASE IIIPROGRAMS ADAPTATION PROJECT APPROACH Wrappers Source code adaptation

PROGRAMS ADAPTATION Wrappers source code + which wrapper in which program Wrappers source code + which wrapper in which program Conceptual model SOURCE model TARGET model DB-MAIN Correspondences

Programs source code adapted to the use of the wrappers Programs source code PROGRAMS ADAPTATION

DATABASE MIGRATION

TARGET DATABASE MIGRATION scenario 1 : New DB design + data migration (with replication) After project Before project New prog. Data access New DB Replication SOURCE Processes Presentation DB Data access jcl, server,... SOURCE Processes Presentation DB Data access jcl, server,...

TARGET DATABASE MIGRATION After project Before project new programs data access new DB SOURCE processings presentation DB data access jcl, server,... SOURCE procesings presentation wrappers jcl, server,... scenario 2 : New DB design + data migration + access modifications

TARGET DATABASE MIGRATION After project Before project new programs data access new DB SOURCE processings presentation DB data access jcl, server,... processings presentation wrappers jcl, server,... scenario 3 : New DB design + data migration + access modifications + programs modifications

CUSTOMERPARTNEROBJECTIVEQUANTITYTIMELOAD Ministère des Finances (BE) BULL belgium DB Replication GCOS8, IDS2  SOLARIS, DB2 380 tables3 months3 m*m O.E.S.C.(US)Bull US DB Migration GCOS8, IDS2  UNIX, POSTGRESS 3 bd – 780 tables 4500 prog. 6 months9 m*m Xxxx (FR)Metaware Application Migration Z/OS, IMS  UNIX, ORACLE 300 tables 3500 prog. 6 months4 m*m GIAL (BE)Anubex DB Migration BS2000, leasy  UNIX, ORACLE 140 tables3 months4 m*m Ministère des Finances (BE) CSCFlat file data migration 1 file  86 tables 2 months2 m*m PROJECTS

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