Random lookup policy

The random lookup policy uses a lookup table to mask data by selecting a random value.

The policy generates a random number between 1 and the limit or number of rows in the lookup table to use as a subscript into the table. The column value or values from the row that correspond to the subscript are inserted in the destination attribute.

You can set a limit on the number of rows from the lookup table used to select values for masking. Specify an integer, up to a maximum value of 2,000,000,000.