Expression as column in SQL Query

You can write an expression and place it in the SELECT list of a SQL Query. For example , you want to display the Total Leaves available for the user from the Employee table. Total Leaves in this case can be VacationHours + SickLeaveHours. Below is the Query include the expression as column and display the results. SELECT VacationHours + SickLeaveHours AS Leaves FROM HumanResources.Employee;

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