Question: Creating Composite Index
Explore how to create composite indexes on employee ID and month columns to optimize monthly sales queries in a company database. Learn to improve query speed and efficiency using indexing strategies and SQL profiling.
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Question
We have a database for a company that manages information about its employees, the product categories they handle, the products within those categories, and the sales made. The Employees table stores unique identifiers (EID), employee names, and ages. The ProductCategories table contains unique identifiers ( ...