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This Concept Map, created with IHMC CmapTools, has information related to: FrankDeutschdbCmap, Foreign Keys Models the Many End, Layers/Views Included User Model (External), Primary Keys Cannot be a Null Value, Normalization discusses Non-Keyed Attributes, Four Main Components Which include Forms, Relationships Which include One-to-one, MySQL Which are Computerized Systems, Layer 7 Focuses on Data Storage, Pointers Which are Foreign Keys, Data Integrity Rules should be applied at the level of Tables/Multiple Tables, Tables/Multiple Tables Use Files/Columns, Reports Can be based on Answer Tables, Data Containd In Databases, Computer Software Such as SQL/Sequel, WHERE Enables you to choose which Rows/Entities, Bank Accounts And if used correctly can ensure Efficiency, One-to-many Are Joins, Me Include iTunes, Computerized Systems That manage data such as Credit Card Purchaces, Queries/Views Can be Muti-Table Database Queries