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SQL Queries for Employee and Customer Data by workdemo0007 is a document available to read on EtoBox.

What is SQL Queries for Employee and Customer Data about?

The document outlines the creation of several SQL tables including EMPLOYEES, DEPARTMENTS, LOCATIONS, CUSTOMERS, ORDERS, PRODUCTS, STUDENTS, SUBJECTS, and COURSES, along with their respective insertion queries. It also includes various SQL queries to retrieve and manipulate data, such as displaying employee names with department names, counting employees per department, and applying constraints. Additionally, it provides examples of JOIN operations and GROUP BY usage for data aggregation.

Author

workdemo0007

Language

EN