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The document outlines a schema for an Order Database including tables for Salesman, Customer, and Orders, along with SQL queries to perform various operations such as counting customers above a certain grade, finding salesmen with multiple customers, and creating views. It also includes sample data insertion and demonstrates a DELETE operation to remove a salesman and their associated orders. The queries utilize SQL features like GROUP BY, UNION, and subqueries to extract and manipulate data effectively.

Author

nbacse

Language

EN