Column Name                  Type          Column Definition
RecordID                     int           Unique identifier of the record
MAK                          bigint        Melissa Address Key (MAK) is a random ten-digit number assigned to unique addresses worldwide with no duplicates
BaseMak                      bigint        Unique ten-digit ID to uniquely identify a base address
Address                      varchar(50)   Address of the consumer
City                         varchar(35)   City of the consumer
State                        varchar(2)    Two-character state, province, or territory abbreviation
ZipCode                      varchar(5)    Five-digit postal code used by the United States Postal Service
Latitude                     decimal(18,6) Latitude of the consumer's address
Longitude                    decimal(18,6) Longitude of the consumer's address
OwnerRenter                  varchar(1)    Set to "O" if Consumer is a house owner or set to "R" if a house renter
HomePurchaseDate             varchar(6)    YYYYMM date that the consumer's house is purchased or empty if unknown
Charitable                   varchar(1)    Indicates whether or not a consumer contributes to charities. 'Y' for Yes, 'N' for No and empty for unknown
Health                       varchar(1)    Indicates whether or not a consumer cares about health. 'Y' for Yes, 'N' for No and empty for unknown
Political                    varchar(1)    Indicates whether or not a consumer involved in politics. 'Y' for Yes, 'N' for No and empty for unknown
Religious                    varchar(1)    Indicates whether or not a consumer involved in religious practice. 'Y' for Yes, 'N' for No and empty for unknown
Veteran                      varchar(1)    Indicates whether or not a consumer is a veteran. 'Y' for Yes, 'N' for No and empty for unknown
MaritialStatus               varchar(1)    Indicates the maritial status in the household. 'M' = Married, 'S' = Single, 'A' = Inferred Married, 'B' = Inferred Single, Empty for unknown
SingleParent                 varchar(1)    Indicates whether or not a consumer is a single parent. 'Y' for Yes, 'N' for No and empty for unknown
NumberofChildren             varchar(1)    Number of children the consumer has or empty if unknown
GrandChildren                varchar(1)    Indicates whether or not a consumer is a grandparent. 'Y' for Yes, 'N' for No and empty for unknown
HouseholdSize                varchar(1)    Number of people that occupy the consumer's house or empty if unknown
CatOwner                     varchar(1)    Indicates whether or not a consumer owns a cat. 'Y' for Yes, 'N' for No and empty for unknown
DogOwner                     varchar(1)    Indicates whether or not a consumer owns a dog. 'Y' for Yes, 'N' for No and empty for unknown
Networth                     varchar(1)    Range of 1-9 to predict household's networth. 1 = Less than or equal to 0, 2 = $1 - $4,999, 3 = $5,000 - $9,999, 4 = $10,000 - $24,999, 5 = $25,000 - $49,999, 6 = $50,000 - $99,999, 7 = $100,000 - $249,999, 8 = $250,000 - $499,999, 9 = $500,000+
CreditCardUser               varchar(1)    Indicates whether or not a consumer owns a credit card. 'Y' for Yes, 'N' for No and empty for unknown
VehicleKnownOwnedNumber      varchar(1)    Number of vehicles the consumer owns or empty if unknown
SelfImprovement              varchar(1)    Indicates whether or not a consumer has interests in self improvement. 'Y' for Yes, 'N' for No and empty for unknown
MusicCollector               varchar(1)    Indicates whether or not a consumer collects music. 'Y' for Yes, 'N' for No and empty for unknown
MovieCollector               varchar(1)    Indicates whether or not a consumer collects movies. 'Y' for Yes, 'N' for No and empty for unknown
Photography                  varchar(1)    Indicates whether or not a consumer has interests in photography. 'Y' for Yes, 'N' for No and empty for unknown
AutoWork                     varchar(1)    Indicates whether or not a consumer has interests in auto work. 'Y' for Yes, 'N' for No and empty for unknown
Fishing                      varchar(1)    Indicates whether or not a consumer has interests in fishing. 'Y' for Yes, 'N' for No and empty for unknown
CampingHiking                varchar(1)    Indicates whether or not a consumer has interests in camping and hiking. 'Y' for Yes, 'N' for No and empty for unknown
HuntingShooting              varchar(1)    Indicates whether or not a consumer has interests in hunting and shooting. 'Y' for Yes, 'N' for No and empty for unknown
Gardening                    varchar(1)    Indicates whether or not a consumer has interests in gardening. 'Y' for Yes, 'N' for No and empty for unknown
EnvironmentalIssues          varchar(1)    Indicates whether or not a consumer has interests in environmental issues. 'Y' for Yes, 'N' for No and empty for unknown
HomeImprovement              varchar(1)    Indicates whether or not a consumer has interests in home improvements. 'Y' for Yes, 'N' for No and empty for unknown
HomeImprovementDIY           varchar(1)    Indicates whether or not a consumer has interests in DIY home improvements. 'Y' for Yes, 'N' for No and empty for unknown
OutdoorsGrouping             varchar(1)    Indicates whether or not a consumer has interests in meeting up in groups outdoors. 'Y' for Yes, 'N' for No and empty for unknown
InvestmentsForeign           varchar(1)    Indicates whether or not a consumer has interests in foreign investments. 'Y' for Yes, 'N' for No and empty for unknown
BeautyCosmetics              varchar(1)    Indicates whether or not a consumer has interests in beauty cosmetics. 'Y' for Yes, 'N' for No and empty for unknown
TVCable                      varchar(1)    Indicates whether or not a consumer has a TVCable subscription. 'Y' for Yes, 'N' for No and empty for unknown
WirelessCellularPhoneOwner   varchar(1)    Indicates whether or not a consumer owns a cell phone. 'Y' for Yes, 'N' for No and empty for unknown
EducationOnline              varchar(1)    Indicates whether or not a consumer has interests in obtaining education online. 'Y' for Yes, 'N' for No and empty for unknown