'Id project' presentation slideshows

Entity Relationship Diagrams

Entity Relationship Diagrams. Mandatory 1. Sends. Supplier. Mandatory many. Optional many. Supplies. Many with maximum. Sent by. Supplied by. Includes. Item. Shipment. Production Plan. Produces. Produced on. Included on. Goes into. Generated on. Composed of. Generates. Builds.

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Financial policy issues - Hungarian experiences

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Database Systems: Design, Implementation, and Management

Database Systems: Design, Implementation, and Management. Chapter 6 Normalization of Database Tables. Problems with unnormalized tables. Needless redundancy, hence insert, update and delete anomalies (inconsistencies) Data updates are less efficient because tables are larger

310 views • 12 slides