1. 0404271 Terminology Formal TermCommon TermAlternative Common Term RelationTableFile TupleRowRecord AttributeColumnField

2. 0404272 Primary Key, … etc. Primary key (column) –Every table must have a unique primary key Foreign key –An attribute (a column) in one table that matches the primary key of another table Composite primary key –A composite primary key consists of more than one attribute (column)

3. 0404273 Table 1 Form 1 Input data Query Database Link Table 2 Form 2 Input data Report Query / extract info Produce report

4. 0404274 Entity-Relationship Models Customer Sales Order 1M Inventory Inventory Item 1M Sales Order Inventory Item MM Customer / Sales Order / Inventory

5. 0404275 Customer / Sales Invoice / Inventory Customer Sales (Invoice) 1M SI / Inventory Inventory 1 1 M M

6. 0404276 Customer / Sales Order /Sales Invoice / Inventory Customer Sales (Invoice) 1M SI / Inventory Inventory 1 1 M M Sales Order SO/ Inventory 1 1 M M 1 M

7. 0404277 Sales Order Form Database tblCustomer Read tblInventory tblSalesOrdertblSalesOrder-Inventory Write