You cannot make up for it ~ Row_number, rank, dense_rank, ntile ranking function usage

This article introduces four very interesting functions in SQL. I call it the row-labeled functions row_number, rank, dense_rank, and ntile. Row_number: it adds a row-labeled column to the data table. It is continuous in the data table. We must sort the table in a certain order before using row_number.

This article introduces four very interesting functions in SQL. I call it the row-labeled functions row_number, rank, dense_rank, and ntile. Row_number: it adds a row-labeled column to the data table. It is continuous in the data table. We must sort the table in a certain order before using row_number.

This article introduces four very interesting functions in SQL. I call it the row-labeled functions row_number, rank, dense_rank, and ntile.

A row_number: it adds a column named "Row ID" to the data table. It is continuous in the data table. We must sort the table in a certain order before using row_number, see the following example:

SELECT row_number () OVER (order by SalePrice) AS row, * FROMProduct,