Imagine you’re working with a table full of data – say, employee bonuses stored across five columns: bonus1, bonus2, bonus3, bonus4, and bonus5. Each row represents an employee, and the bonuses are scattered across these columns, with some entries missing (i.e., NULL). Your boss walks in and says, “I want all the actual bonus values … Continue reading Taming the Nulls: Column Shifting Values Left in SQL
