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Integrating data process a roundtrip modeling using e rwin data modeler_erwin process modeler_09292010
- 1. 16843 Harbour TownDrive Silver Spring, MD 20905 Tel: 301.476.9190 Fax: 301.476.9195 Integrating Data & Process A roundtrip modeling using ERwin Data Modeler & ERwin Process Modeler Manan Shah manan@myriadinc.net 301.476.9190 (Office) 301.385.2059 (Cell) WWW.MYRIADINC.NET
- 2. 16843 Harbour TownDrive Silver Spring, MD 20905 Tel: 301.476.9190 Fax: 301.476.9195 ERwin ERwin Data Import / Export Saphir Profiler Bridge Option ERwin ERwin Data ERwin Data Model Model Modeler Navigator Validator ERwin ERwin Crystal Process Model Reports Modeler Manager ( Other ODBC) WWW.MYRIADINC.NET
- 3. 16843 Harbour TownDrive Silver Spring, MD 20905 Tel: 301.476.9190 Fax: 301.476.9195 ERwin Data Modeler ERwin Process Modeler WWW.MYRIADINC.NET
- 4. 16843 Harbour TownDrive Silver Spring, MD 20905 Tel: 301.476.9190 Fax: 301.476.9195 Why Map Models? Mapping of process models to data models ensures completeness of analysis. enables sharing of data across business units and functions. guarantees that the there is a supply of data (entity) for all data needs (activity). ensures that data is available when needed. WWW.MYRIADINC.NET
- 5. 16843 Harbour TownDrive Silver Spring, MD 20905 Tel: 301.476.9190 Fax: 301.476.9195 4 Model Mapping Steps •Mapping of process models to data models STEP 1: Map entities to arrows. STEP 2: Map attributes to arrow entities. STEP 3: Identify process action(s) upon entities. STEP 4: Identify process action(s) upon attributes. •Occurs at the leaf level. WWW.MYRIADINC.NET
- 6. 16843 Harbour TownDrive Silver Spring, MD 20905 Tel: 301.476.9190 Fax: 301.476.9195 Step 1: Map Entities to Arrows IDEF0 Model IDEF1X Data Model PUBLISH ASSEMBLY ASSEMBLY INSTRUCTIONS INSTRUCTION Assembly Instructions assembled into MAKE PART Parts PART assembled Finished from ASSEMBLE Products PART PRODUCT WWW.MYRIADINC.NET
- 7. 16843 Harbour TownDrive Silver Spring, MD 20905 Tel: 301.476.9190 Fax: 301.476.9195 Step 2: Map Attributes to Arrow Entities Determine attribute mapping for each mapped entity IDEF0 Model IDEF1X Data Model ASSEMBLY INSTRUCTION Product ID (FK) PUBLISH Part Number (FK) ASSEMBLY Assembly Step (FK) INSTRUCTIONS Assembly Instruction Assembly Time Assembly PART Instructions Part Number MAKE Part Name assembled Parts into PART Part Cost Quantity On Hand Finished PRODUCT ASSEMBLE Products Product ID PART assembled Product Name from Product Status Product Cost WWW.MYRIADINC.NET
- 8. 16843 Harbour TownDrive Silver Spring, MD 20905 Tel: 301.476.9190 Fax: 301.476.9195 Entity Data Usage Rules (CRUD) Allowable Activity Actions on Entities Associated with Arrows CONTROL (R) Entities are NOT CHANGED by the process. Must be READ ONLY!! INPUT R & (U or D) IDEF0 OUTPUT (C &/or U) (TRANSFORMED by the process) (RESULT from the process) PROCESS Entities must be Entities must be READ and DELETED OR UPDATED CREATED and/or UPDATED MECHANISM Entity Mapping NOT APPLICABLE C: CREATE R: READ U: UPDATE D: DELETE WWW.MYRIADINC.NET
- 9. 16843 Harbour TownDrive Silver Spring, MD 20905 Tel: 301.476.9190 Fax: 301.476.9195 Step 3: Identify Activity Action Upon Entities IDEF0 Model IDEF1X Data Model New CREATE Log New Part PART Part Part Number Part Name Part Cost Quantity On Hand Quantity Count on Hand UPDATE Parts Employee C: CREATE R: READ U: UPDATE D: DELETE WWW.MYRIADINC.NET
- 10. 16843 Harbour TownDrive Silver Spring, MD 20905 Tel: 301.476.9190 Fax: 301.476.9195 Attributes Data Usage Rules (IRUN) Allowable Activity Actions on Attributes Associated with Arrows CONTROL (R) Attributes ARE NOT CHANGED by the process. Must be READ ONLY!! INPUT R & (U or N) IDEF0 OUTPUT (I &/or U) (TRANSFORMED by the process) (RESULT from the process) PROCESS Attributes can be Attributes can be READ (if entity is Read) INSERTED and/or UPDATED AND (if entity is Create or Update) UPDATED (if entity is Update) NULLIFIED (if entity is Created MECHANISM or Update) Entity Mapping NOT APPLICABLE I: INSERT R: READ U: UPDATE N: NULLIFY WWW.MYRIADINC.NET
- 11. 16843 Harbour TownDrive Silver Spring, MD 20905 Tel: 301.476.9190 Fax: 301.476.9195 Step 4: Identify Activity Action Upon Attributes IDEF0 Model IDEF1X Data Model New INSERT Log New Part PART Part Part Number Part Name Part Cost Quantity On Hand Quantity Count on Hand UPDATE Parts Employee I: INSERT R: READ U: UPDATE N: NULLIFY WWW.MYRIADINC.NET
- 12. 16843 Harbour TownDrive Silver Spring, MD 20905 Tel: 301.476.9190 Fax: 301.476.9195 Process Modeler and ERwin DM • Process Modeler can export and import Data Model information to and from ERwin. – further define business activities. – cross-validate function models and data models. – improve model quality and consistency. – reduce development time. Target Server Database Process DB2 Modeler ERwin Informix Ingres IDEF1X Data Microsoft SQL Server IDEF0 & IDEF3 Modeling and Oracle Business Database Schema Rdb Process Modeling Generation Sybase SQL Server and more... WWW.MYRIADINC.NET
- 13. 16843 Harbour TownDrive Silver Spring, MD 20905 Tel: 301.476.9190 Fax: 301.476.9195 Integrating ERwin and Process Modeler • The ERwin Modeling Suite offers links between ERwin data models & Process Models –From ERwin to Process Modeler through ‘.eax’ files. –From Process Modeler to ERwin through ‘.bpx’ files. • These files are used to synchronize entity and attribute information in both models. Process Models ERwin Data Model BPX files EAX files WWW.MYRIADINC.NET
- 14. 16843 Harbour TownDrive Silver Spring, MD 20905 Tel: 301.476.9190 Fax: 301.476.9195 Integrating ERwin and Process Models • .eax data files created in ERwin are used to transfer entity and attribute information into Process Modeler. Process Model ERwin Data Model Entity and Attribute NAMES & DEFINITIONS WWW.MYRIADINC.NET
- 15. 16843 Harbour TownDrive Silver Spring, MD 20905 Tel: 301.476.9190 Fax: 301.476.9195 Integrating ERwin and Process Modeler • .bpx files are created in Process Modeler to –export entity and attribute names and definitions into a new or existing ERwin model. –export activity names from Process Modeler resulting in the creation of subject areas in an ERwin model. Process Model ERwin Data Model Entities, Attributes, & Process Subject Areas WWW.MYRIADINC.NET
- 16. 16843 Harbour TownDrive Silver Spring, MD 20905 Tel: 301.476.9190 Fax: 301.476.9195 REVIEW: Data Usage Rules Summary Activity Actions on Entities & Attributes Associated with Arrows ENTITIES: C = Create R = Read U = Update D = Delete ATTRIBUTES: I = Insert R = Read U = Update N = Nullify APPROPRIATE INAPPROPRIATE ACTIONS ACTIONS ARROW TYPE Entities Attributes Entities Attributes INPUT RUD RUN C I OUTPUT CU IU R R CONTROL R R CUN IUN MECHANISM (n/a) (n/a) (n/a) (n/a) WWW.MYRIADINC.NET
- 17. 16843 Harbour TownDrive Silver Spring, MD 20905 Tel: 301.476.9190 Fax: 301.476.9195 REVIEW: Process Driven Data Modeling CREATE DATABASE DESIGN ENTRY POINT IDENTIFY DEFINE CREATE ATTRIBUTE REVIEW & CAPTURE PHYSICAL LAYER E-R MODEL E-R MODEL FINAL DESIGN BUSINESS RULES OF MODEL $100 $150 $200 $200 $150 IDENTIFY LIST CANDIDATE REVIEW & SELECT TARGET VERIFY ENTITIES CANDIDATE ATTRIBUTES FOR VERIFY DBMS & DEFINITIONS ENTITIES EACH ENTITY CARDINALITIES NAME TABLES & VERIFY IDENTIFY ADD KEYS TO DEFINE COLUMNS RELATIONSHIPS RELATIONSHIPS MODEL REFERENTIAL & DEFINITIONS NAME & DEFINE INTEGRITY DEFINE ATTRIBUTE & INDEXES VERIFY ENTITIES & NORMALIZE IDENTIFY ATTRIBUTES & DEFINE RELATIONSHIPS MODEL BUSINESS DEFINITIONS COLUMNS DOMAINS REVIEW ENTITY- DEFINE VERIFY VERIFY/UPDATE RELATIONSHIP ATTRIBUTES IDENTIFY BUSINESS TRIGGERS MODEL ATTRIBUTE CONSTRAINTS REVIEW LOGICAL DEFAULT GENERATE MODEL APPROVE VALUES REPORTS SCHEMA DESIGN WWW.MYRIADINC.NET
- 18. 16843 Harbour TownDrive Silver Spring, MD 20905 Tel: 301.476.9190 Fax: 301.476.9195 Manan Shah manan@myriadinc.net 16843 Harbour Town Drive Silver Spring, MD 20905 Tel: 301.476.9190 Fax: 301.476.9195 WWW.MYRIADINC.NET