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SAP Power Designer
1.
Enterprise Data Management SAP
ANALYTICS & INNOVATION FORUM '12 Mehmet ÇAVUŞ, Sybase, Technical Consultant 16.03.2012 1
2.
The Modeling Environment
- Domains The Modeling Environment © 2012 SAP AG. All rights reserved. 2
3.
PowerDesigner Architecture © 2012
SAP AG. All rights reserved. 3
4.
Conceptual Model (CDM)
/ Logical Data Model(LDM) PowerDesigner Models Fulfills the following roles: – Represents the overall logical structure of a data, independent of any software or data storage structure - system and business domain, – Gives a formal representation of the data structure needed to run an enterprise or a business process/service, – Uses ER, Merise and IDEF1X notations, – Uses only one conceptual data diagram, – Represents the organization of data in a graphical format, – Imports/Exports Data Items and Entities from BPM © 2012 SAP AG. All rights reserved. 4
5.
Conceptual Data Model
(CDM) / Logical Data Model(LDM) PowerDesigner Models Employee Employee Identifier <pi> ID <M> •Standard E/R modeling Employee Name <ai> NAME Employee Description <ai> L_TEXT Identifier_1 <pi> •Business rules, domains, data Identifier_2 <ai> ... items, entities, relationships, associations, identifiers, inheritance Sales Stock_Clerk Salary MNY Commission MNY Hourly Rate MNY •Supports one-to-many & many-to- Shipper many relationships Salary MNY •Automatic physical data model Orders generation OrderID <pi> ID <M> Description L_TEXT <M> Identifier_1 <pi> ... Customer Items Address ADDR ItemsID <pi> ID <M> CustomerID <pi> ID <M> Description L_TEXT Name MNY Identifier_1 <pi> Phone PHN ... Identifier_1 <pi> ... © 2012 SAP AG. All rights reserved. 5
6.
Physical Data Model
(PDM) PowerDesigner Models Represents the implementation of physical structure of a data for selected (R)DBMS including data storage structure and management choices or parameters (particularities of DBMS), It gives a formal representation of the physical data structure to be installed and actively used within the IT system, Uses standardized relational or multidimensional notation, The PDM fills the following roles: – Represents the organization of physical data in a graphical format, – Verifies the validity of data design for selected (R)DBMS, – Holds all (R)DBMS related choices and particularities, – Used for repository generation, synchronization and administration, – Facilitate O/R, used with framework, and R/R mapping from DWH © 2012 SAP AG. All rights reserved. 6
7.
Multi-Dimension Data Warehouse
Design Star Schema Location Product Location ID integer <pk> Time Country varchar(30) Time ID integer <pk> Product ID integer <pk> City varchar(30) Year integer Name varchar(30) Month integer Day integer Sales Country_City_Location Sales ID integer <pk> Country ID <h:1> Product ID integer <fk1> Location ID integer <fk2> ... Country Name City ID City Name <h:2> Multi-dimension Country Country ID integer Country Name varchar(30) <pk> Zip Location ID <h:3> Model Hierarchy_1 <Default> <h> City Sales - Country_City_Location Product Category City ID integer <pk> Month_Time Month Category ID integer <pk> Country ID integer <fk> Month Number integer <pk> Month Number <h:1> Category Name varchar(30) City Name varchar(30) Month Name varchar(10) Sales Month Name Zip varchar(30) Sales - Month_Time Time ID <h:2> Sales ID Sales number Year Month Sales Day Location Time Hierarchy_1 <Default> <h> Product Location ID integer <pk> Sales - Product Category_Product Product ID integer <pk> Time ID integer <pk> City ID integer <fk> Category ID integer <fk> Month Number integer <fk> Name varchar(30) Year integer Month integer Product Category_Product Day integer Category ID <h:1> Snowflake Sales ID Sales integer <pk> Category Name Product ID Name <h:2> Schema Product ID integer <fk1> Location ID integer <fk2> ... Hierarchy_1 <Default> <h> © 2012 SAP AG. All rights reserved. 7
8.
Physical Data Model
(PDM) PowerDesigner Models Oracle 8i, 8i2, 9i, 9i2, 10g, 10gR2 and 11g support •Bitmap join indexes Oracle Database Packages •Global Temporary Tables “Undo” Tablespaces and Storage Partitions •Abstract Data Types Oracle Materialized Views •Oracle Dimension support ... IBM DB/2 5.x, 6, 7, 8 and 9 for OS/390 and Common Server support •Detailed Tablespace definitions Column LOB options •Tables with Computed Columns Generated and Encrypted Value declarations, •DB/2 index Bind Packages DB/2 Materialized Query Tables ... Microsoft SQL Server 7.x, 2000, 2005 and 2008 support •Indexed Views with encryption options Multiple file definitions for filegroups •Row Global Unique Identifier Constraint and Collation names •Identity properties Replication settings •Microsoft Analysis Services including cubes ... Adabas, AS400, Informix, MySQL, Netezza, PostgreSQL, Teradata ... © 2012 SAP AG. All rights reserved. 8
9.
Data Movement Model
(DMM) PowerDesigner Models High level physical view of information (data) movement/flow processes, either through replication or any other data flow, – Replication as a process where transactions performed on one (source) database are propagated asynchronously to one or more target database in a serialized manner, It gives physical view of information sources, destination, applied transformations, replication processes and source/destination data structure mappings, Uses simple graphical notation, The DMM is used for the following roles: – To present data flows, transformations, data sources and destination, – To describe replication process for Replication Server or Mobilink, – To document DWH ETL/delivery flows and used mappings, – Allows direct access to every data model used within the flow © 2012 SAP AG. All rights reserved. 9
10.
Data Movement Model
(DMM) PowerDesigner Models © 2012 SAP AG. All rights reserved. 10
11.
Impact Analysis in
PowerDesigner © 2012 SAP AG. All rights reserved. 12
12.
PowerDesigner Reporting – Report
Generator Powerful report generator Multi-model Customizable Template-based Easy-to-use, drag-and-drop interface Generates RTF or HTML © 2012 SAP AG. All rights reserved. 13
13.
Repository Architecture We need
a good metadata repository •Team development Security to protect elements, core, library, etc. Single source for all elements (find and reuse) •Model management Versioning Branching Compare/Merge Reporting Enterprise Glossary & Library. Impact Analysis in Repository. © 2012 SAP AG. All rights reserved. 14
14.
Repository Portal © 2012
SAP AG. All rights reserved. 15
15.
DataWarehousing Architecture
2 1 © 2012 SAP AG. All rights reserved. 16
16.
Migrating an OLTP
Database to a Data Warehouse To establish a data warehouse using an OLTP database I. Reverse engineer the OLTP database with statistics II. Generate/Create an DW Physical Data Model (PDM) Modify DW model using indexes based on statistics, denormalization, etc... Define the transformation between source and DW models using either mapping or DMM III. Generate the data warehouse IV. Move data from OLTP database to DW by Generating export/import scripts to run on OLTP database and DW Creating ETL templates © 2012 SAP AG. All rights reserved. 17
17.
1- Reverse Engineering
the OLTP Database with Statistics PowerDesigner allows users to reverse engineer statistics data (number of rows, number of distinct values for a column, …) © 2012 SAP AG. All rights reserved. 18
18.
2- Generating Physical
Data Model (PDM) for DW PowerDesigner allows users to generate new models using link and synch methodology. © 2012 SAP AG. All rights reserved. 19
19.
>Define the transformation
by DMM or Mapping © 2012 SAP AG. All rights reserved. 20
20.
3- Generating the
Data Warehouse Database Generate the data warehouse database using the Database>“Generate Database” command. © 2012 SAP AG. All rights reserved. 21
21.
4- Example of
an Export & Load Script © 2012 SAP AG. All rights reserved. 22
22.
Powerdesigner Modeling Information Architecture ©
2012 SAP AG. All rights reserved. 23
23.
Our Customer’s Perspective… ©
2012 SAP AG. All rights reserved. 24
24.
Turkcell Success Story
“It was an amazing success of Turkcell, the leading mobile phone operator in Turkey, Sybase PowerDesigner.” previously kept conceptual, logical, physical data, ETL process modeling, Yuksel Guler, source to target mapping relations information been in Microsoft® Word, Visio and Excel. Using Sybase PowerDesigner, Turkcell Communication Service A.fi., Turkcell is able to manage all modeling requirements Service and Product Development within BIS-Reengineering project. Business Advantage Turkcell is able to develop impact analysis on changes made in any department, and provide information on changes that affect underlying metadata. Key Benefits •Reduces business process modeling time by 40% •Saves 30% in labor efforts •Provides compatibility with other software •Increases specifications for projects in a single modeling tool •Synchronizes with Microsoft® Word for business process modeling (BPM) © 2012 SAP AG. All rights reserved. 25
25.
Conclusion Using PowerDesigner and
Model-Driven Approach can greatly accelerate the development, increase the productivity and reduce errors for data warehouse design and implementation. © 2012 SAP AG. All rights reserved. 26
26.
Thank you Mehmet ÇAVUŞ Technical
Consultant mehmet.cavus@sybase.com.tr +90 (0) 212 351 27 30
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