Text
The Text or String data type consists of a sequence of one or more than one alphanumeric character, like a word or a sentence.
Numeric only sequences that are not supposed to be used in math operations (like sums and divisions) must also be considered as Text (ex.: Individual Social ID).
Text data type columns have a limit of 255 characters;
The data type of a column is defined in the data source creation, see Input Data Format.