The SUM function is used to calculate the total of numeric values.
It adds all values present in a column.
SUM is commonly used in billing and financial reports.
SUM works only with numeric data types.
It cannot be used with text columns.
This ensures accurate calculations.
SUM helps calculate totals such as total sales, total amount, or total revenue.
It is frequently used in business analytics.
SUM combines values from multiple rows.
It returns a single calculated result.
This simplifies data analysis.
SUM is heavily used in invoices, reports, and dashboards.
Understanding SUM is important for backend developers.
It forms the base of financial calculations.