Uses of a CPad

A UDX can use a CPad to:

• Return multiple results. Currently, a UDX cannot return multiple results unless they are encoded in a string and the UDX extracts the values from that string.
• House a lookup table, that is, a temporary table of values that the UDX can use to speed up its processing.
• Allow it to serve as or use a common engine-style UDSF to initialize a program or routine that is passed as an argument of a UDX.