Metadata 101
Seven lessons on metadata — the data that makes your data findable, understandable, and trustworthy.
What Is Metadata
Metadata is data about data. Learn what it is, the different types, and why it is essential for working with data.
Read Lesson →Why Metadata Matters
Without metadata, data is hard to find, hard to understand, and easy to misuse. Learn the concrete value of good metadata.
Read Lesson →Data Dictionaries
A data dictionary defines what each field in a dataset means. Learn how to create and maintain one.
Read Lesson →Classification
Data classification assigns sensitivity levels to data. Learn how classification works and why it matters for governance and security.
Read Lesson →Cataloguing
A data catalog is an inventory of your data assets. Learn how cataloguing makes data discoverable and trustworthy.
Read Lesson →Discovery
Data discovery is the process of finding relevant data. Learn how good metadata enables effective data discovery.
Read Lesson →Searchability
Searchable data is usable data. Learn how metadata standards and keywords make datasets findable by search engines and users.
Read Lesson →