In SharePoint, site columns and list columns are two types of metadata columns used to define and organize data within SharePoint sites and lists. Here's an explanation of each:
Site Column:
Definition: A site column is a reusable column definition that can be created at the site level and used across multiple lists and libraries within the site and its subsites.
Purpose: Site columns allow consistent metadata to be applied across multiple lists or content types, promoting uniformity and reusability of column definitions.
Usage: When a site column is created, it becomes available for use in various lists or content types. Any changes made to the site column will automatically be reflected in all lists or content types where it is used.
List Column:
Definition: A list column, also known as a list field, is a column that is specific to an individual list or library within a SharePoint site.
Purpose: List columns are used to capture and categorize data specific to a particular list or library. They provide flexibility to customize columns based on the unique requirements of each list or library.
Usage: List columns are created directly within a list or library and are available only within that specific list or library. Changes made to a list column will only affect that particular list or library.
Both site columns and list columns can have different data types, such as text, number, choice, date, or lookup, allowing for the capture of various types of information. They enable consistent data organization, facilitate data entry and filtering, and support data integration and reporting within SharePoint.
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