SQL QUESTIONS

 Your business user asks you to show them a table output that includes an additional column categorizing the TRADES data into volume-based Tiers, with a column named ‘Tier’. Quantities between 0-250 will be considered ‘Small’, quantities greater than ‘Small’ but less than or equal to 500 will be considered ‘Medium’, quantities greater than ‘Medium’ but less than or equal to 500 will be considered ‘Large’, and quantities greater than ‘Tier 3’ will be considered ‘Very Large’