1. A vertical space in a database table that represents a particular domain of data. A column has a column name (e.g., ENAME) and a specific datatype (e.g., CHAR). For example, in a table of employee information, all of the employees' names would constitute one column. A record group column represents a database column.
2. In Reports, a data model object created automatically for each column expression
in a query's SELECT list, or created manually to perform summaries, formulas,
or act as a placeholder.