Examlex
State whether the variable is discrete or continuous. The number of cups of coffee sold in a cafeteria during lunch
Append Only
A setting for a database field that allows new data to be added while preserving the existing data, often seen in commenting or logging features.
Null
A value used in databases and programming to represent the absence of a value or a 'nothing' state.
Zero-Length
A term that refers to a string or text field that is allowed to have no characters, essentially being empty but not null.
Multivalued
Describes an attribute or field in a database that can hold multiple values in a single record.
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