Module 13 (Introduction to SQL - Part 2).pdf
Module 13 (Introduction to SQL - Part 2).pdf
Module 13 (Introduction to SQL - Part 2).pdf
Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
Showing RelationshipsNotice this relationships between Employees, Ordersand Cus<strong>to</strong>mers:The 1 - ∞ from Employees <strong>to</strong>Orders plus the ∞ - 1 fromOrders <strong>to</strong> Cus<strong>to</strong>mersimplies that Employees has amany-<strong>to</strong>-many relationshipwith Cus<strong>to</strong>mers , throughOrders. Orders acts as theGlue Table here.