Data Warehouse Overview. (Financial Analysis)

Transcription

1 Data Warehouse Overview (Financial Analysis) May 02, 2002

2 Agenda Data Warehouse Review Rensselaer DW Overview Intro. to Financial Analysis Homework! 2

3 Data Warehouse Review A data warehouse is a subject-oriented, integrated, time-varying, non-volatile collection of data in support of the management's decision-making process." --- Bill Inmon 3

4 Data Warehouse Review General Characteristics Subject Oriented Integrated Time Varying Consistent Non-volatile (usually) Used in management decision making process 4

5 Data Warehouse Review Key Concepts Data Warehouse vs. Data Mart Data Mart Single subject area Data Warehouse Integrated Data Marts Star Schema Dimensions Hierarchies Descriptive Attributes Fact Tables Metadata 5

6 Definitions cont. Star Schema Common method of organizing and relating dimensions and facts to support end user reporting and analytical needs. Dimension Table of related attributes typically organized in a hierarchy used to describe business facts. Fact Table Table of common data elements used to measure a business. Typically numeric values. Metadata Repository of business information describing the data elements, business rules, processes and sources systems of the warehouse. 6

7 Data Warehouse/Data Mart Rensselaer Data Warehouse Operating Ledger Financial Transactions Data Mart General Ledger Monthly Snapshot Operating Ledger Monthly Snapshot General Ledger Financial Transactions (Future) Metadata Data Warehouse Rensselaer Brio End User Query and Reporting, Dashboards 7

8 Star Schema Fiscal Period Dim Fiscal Period Key Fiscal Year Fiscal Year Desc. Organization Dim Organization Key Chart Code Chart Desc Portfolio Code Portfolio Desc. Operating Monthly Snapshot Facts Fiscal Period Key Organization Key Fund Key Budget Amt Expenditure Amt Commitment Amt Fund Dim Fund Key Chart Code Chart Desc Fund Group_1 Fund Code Fund Code Desc. 8

9 Star Schema Reporting Organization Dimension Fiscal Year: FY-2001 Fiscal Period Dimension Portfolio Desc Fund Group Desc Budget Fund Dimension Expenditure Operating Monthly Snapshot Facts Commitment Finance Restricted Funds $150, $50, $10, Unrestricted Funds $75, $15, $5, Administration Restricted Funds $100,00.00 $20,00.00 $30,00.00 Unrestricted Funds $25, $5, $2, School of Science Restricted Funds $250, $150, $20, Unrestricted Funds $100, $50, $15, Student Life Restricted Funds $200, $125, $25, Unrestricted Funds $100, $75, $7,

10 Rensselaer DW Overview Source Data Banner Finance Banner Grants Potential External Data Sources Budgeting Data Alumni Informatica - ETL Process Gather data from operational sources Data cleansing and integration Populate and Q/A Data Warehouse Oracle Database Operating Ledger Transactions Operating Ledger Monthly Snapshot General Ledger Monthly Snapshot Metadata Brio - End User Reporting and Analysis 10

11 Rensselaer DW Overview Three fiscal years (FY ) Operating Ledger transaction detail Operating Ledger monthly snapshots General Ledger monthly snapshots Refreshed daily Troy and Hartford information Key Data Hierarchies Organization (current & month end) Fund, Program, Account (current & FY end) ITD summaries for Research Grants 11

12 Intro. to Financial Data Marts Operating Ledger Financial Transactions Operating Ledger Monthly Snapshot General Ledger Monthly Snapshot 12

13 Operating Ledger Financial Budget Transactions Rensselaer Data W arehouse Project Finance Budget Transaction Facts Transaction Date Dim (V iew ) A ctivity D ate D im (V iew ) Organization Dim Program Dim Organization History Dim A ctivity D im Home Organization Dim (View ) Fund Dim Finance Budget Transaction Facts Grain: Each Operating Ledger Budget Transaction for the lowest level FOAPAL Transaction Type Dim Financial Transaction Dim Account Dim Grant Dim Audit Dim 13 Monday, March 04, V:\Data_W arehouse\1-financial DW \Data Model\Current\Finance Operating Fact Diagram Ver 2.vsd

14 Operating Ledger Financial Commitment Transactions Rensselaer Data W arehouse Project Finance Encum brance Transaction Facts Transaction Date Dim (V ie w ) A ctivity D ate D im (V ie w ) Organization Dim Program Dim Organization History Dim A ctivity D im Home Organization Dim (V iew ) Fund Dim Finance Encumbrance Transaction Facts Grain: Each O perating Ledger Encum brance Transaction for the lowest level FO APAL Transaction Type Dim Financial Transaction Dim Account Dim Grant Dim Audit Dim 14 M onday, M arch 04, V:\Data_W arehouse\1-financial DW \Data M odel\current\finance Operating Fact Diagram Ver 2.vsd

15 Operating Ledger Financial Actual Transactions Rensselaer Data W arehouse Project Finance Actual Transaction Facts Transaction Date Dim (V iew ) A ctivity D ate D im (V iew ) Organization Dim Program Dim Organization History Dim A ctivity D im Home Organization Dim (V iew ) Fund Dim Finance Actual Transaction Facts Grain: Each Operating Ledger Actual Transaction for the lowest level FOAPAL Transaction Type Dim Financial Transaction Dim Account Dim Grant Dim Audit Dim 15 M onday, M arch 04, V:\Data_W arehouse\1-financial DW \Data M odel\current\finance Operating Fact Diagram Ver 2.vsd

16 Operating Ledger Monthly Snapshot Rensselaer Data W arehouse Project Operating Ledger M onthly Snapshots Fiscal Period Dim Organization Dim Program Dim Organization History Dim A ctivity D im Home Organization Dim (V iew ) Operating Ledger Monthly Snapshot Grant Dim Fund Dim Account Dim Audit Dim Financial Statem ent Categories (Future) 16 M onday, M arch 04, V:\Data_W arehouse\1-financial DW \Data M odel\current\finance Operating Fact Diagram Ver 2.vsd

17 General Ledger Monthly Snapshot Rensselaer Data W arehouse Project General Ledger M onthly Balances Fiscal Period Dimension Account Dimension GL Fund Dimension (V ie w ) General Ledger M onthly Balance Snapshot Financial Statem ent Category Dim (Future) Audit Dim M onday, M arch 04, V:\Data_W arehouse\1-financial DW \Data M odel\current\finance Operating Fact Diagram Ver 2.vsd 17

18 References- 18

19 Wrap-up Questions Homework Please review data models Provide feedback on table and column descriptions. 19