Naming convention with SELECT of columns: Avoid duplication for display with alias

[Admin]

SELECT region.name, sales_reps.name, accounts.name
FROM region
JOIN sales_reps
ON region.id = sales_reps.region_id
JOIN accounts
ON accounts.sales_rep_id = sales_reps.id
ORDER BY accounts.name 

Why am I getting only one column ‘name’ as output while I expected three.

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Reply

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SELECT region.name AS RegionName, sales_reps.name AS salesman, accounts.name AS CompanyName
FROM region
JOIN sales_reps
ON region.id = sales_reps.region_id
JOIN accounts
ON accounts.sales_rep_id = sales_reps.id
ORDER BY accounts.name

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Reference:

Whether you want to use inner or outer in the final query, using outer now will help you debug https://community.spiceworks.com/topic/2458488-what-is-wrong-with-this-query?page=1#entry-10181316

[Author]

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