Allows a link between two tables to be created using a pair of columns on the primary table which denotes a range, to a column in the secondary table. Lower value is the name of the column in Table 2 to be linked (lower range). Upper value is the name of the column in Table 2 to be linked (upper range). Many is the name of the column in Table 1 to be linked.
For example, the following parameters creates a link between two tables: