Page Comparison

The MASK-NUMBER directive applies substitution masking on the column values.

Syntax

mask-number :columm 'mask'

• The column specifies the name of an existing column to be masked.

• The mask is a substitution pattern to be used to mask the column values.

Usage Notes

Substitution masking is generally used for masking credit card or social security numbers. The MASK-NUMBER applies substitution masking on the column values. This type of masking is fixed masking, where the pattern is applied on the fixed length string.

...

• Use of # will include the digit from the position

• Use x or any other character to mask the digit at that position

Examples

Using this record as an example:

...