Data Dictionary : Store & Flow And Franchise Colleges 09 THE DATA DICTIONARY : Stores & Flows By MANSHA NAWAZ Section 09 Data Dictionary : Store & Flow

Data Dictionary : Store & Flow Learning Aims Aim to be able to construct a partial data dictionary Objectives to model the composition of data stores to record all appropriate data store detail to model the composition of data flows to record all appropriate data flow detail Section 09 Data Dictionary : Store & Flow

Data Dictionary : Store & Flow Lecture Outline the nature & purpose of the data dictionary data elements & data structures data stores data flows automated data dictionaries Section 09 Data Dictionary : Store & Flow

Document : Design Specification Data Dictionary Data Stores and Flow lecture 08 Structures & Elements Data Stores and Flow Usage lecture 09 Process Descriptions Mini Specs and Sample Screen Shots lecture 10 NORMALISATION lecture 11 Database Tables derived from Data Store Descriptions Section 09 Data Dictionary : Store & Flow

Data Dictionary : Store & Flow Data Stores Record the usage of each data store as follows. Ascent generates these automatically, however the reporting of this material is inadequate Consider typing in MS Word and place material in the Appendix. Useful when making future changes to the data store. 1 Data Store name Description Composition Inputs Outputs vol of read/write Present status x 1 things 2 add create supplier purchase note 2 y Section 09 Data Dictionary : Store & Flow

Data Store – Usage Example. Data Store name 1 things Description The things stored... Composition = {THING} Inputs x from process 1 Outputs y to process 2 vol of read/write Read 1* per week Present status paper ledger Section 09 Data Dictionary : Store & Flow

Data Dictionary : Store & Flow Data Flows Record the usage of each data flow as follows. Ascent generates these automatically, however the reporting of this material is inadequate Consider typing in MS Word and place material in the Appendix. Useful when making future changes to the data flows. Data Flow name Description Composition Source Destination vol of read/write Present status 1 x 2 Section 09 Data Dictionary : Store & Flow

Data Flow – Usage Example. Data Flow name X Description ..the bla bla bla Composition 1{THING}10 Source data store 1 Destination process 2 vol of read/write once per day Present status read from thing ledger Section 09 Data Dictionary : Store & Flow

Data Dictionary : Store & Flow Automated DDs speed of production and edit document quality checking code generation þ cost culture change learning requirement no set standards ý Section 09 Data Dictionary : Store & Flow

Document : Design Specification Data Dictionary lecture 08 Data Stores - Structures & Elements lecture 08 Data Flow - Structures & Elements lecture 08 Data Stores and Flow Usage lecture 09 Process Descriptions lecture 10 NORMALISATION lecture 11 Database Tables derived from Data Store Descriptions Section 09 Data Dictionary : Store & Flow

Document : Data Dictionary Data Dictionary lecture 08 Data Stores - Structures & Elements lecture 08 Data Flow - Structures & Elements lecture 08 Data Stores and Flow Usage lecture 09 Utilise templates Fill in the details Consider placing as a sub-section within the previous section on Structures and Elements Process Descriptions lecture 10 Process Usage & Mini Spec Process Screen Shot Section 09 Data Dictionary : Store & Flow

Data Dictionary : Store & Flow Summary & Self Study Summary record elem/struct stores & flows use elem/struct automation adv disadv Self Study review the lecture complete A9 (a) from the course workbook can you achieve the objectives set out in slide 2? Section 09 Data Dictionary : Store & Flow