Metadata is data that provides information about other data. In other words, it is data about data. The term is typically used in reference to databases, and the metadata for a given database can provide information about the structure of the database, as well as the data it contains.
Metadata can be divided into two general categories: structural metadata and descriptive metadata. Structural metadata provides information about how the data is organized, while descriptive metadata provides information about the content of the data.
In the context of databases, metadata is often stored in a separate table from the data it describes. This separation can make it easier to manage and update the metadata, as well as providing a more accurate picture of the structure of the database.
What are the four types of metadata?
There are four types of metadata:
1. Descriptive metadata: This type of metadata describes the content of a resource. It can include information such as title, author, subject, and keywords.
2. Structural metadata: This type of metadata describes the structure of a resource. It can include information such as the number of pages, the number of chapters, and the hierarchy of the content.
3. Administrative metadata: This type of metadata describes the administrative information about a resource. It can include information such as the date the resource was created, the date the resource was last modified, and the owner of the resource.
4. Technical metadata: This type of metadata describes the technical information about a resource. It can include information such as the file format, the size of the file, and the software required to view the resource. What is an example of a metadata? An example of a metadata is a data dictionary. It is a detailed description of the data that includes information on how it was collected, what it represents, and how it is organized.
What is metadata in simple words? Metadata is data that provides information about other data. It typically includes information about the structure, content, and format of data. Metadata can be used to help organize, manage, and find data. It can also be used to describe how data is used and accessed. What is another word for metadata? There is no one word that perfectly encompasses the meaning of metadata. However, some possible synonyms for metadata include "data about data" or "descriptive information about a dataset."
What is the purpose of metadata?
Metadata is defined as structured information that describes, explains, locates, or otherwise makes it easier to retrieve, use, or manage an information resource. In other words, it is data about data.
The purpose of metadata is to provide a consistent, standardized way to describe data so that it can be easily discovered and used by humans and machines. Metadata can be used for a variety of purposes, including:
- describing the content and structure of data
- describing the provenance of data
- describing the lineage of data
- providing information about data quality
- providing access control information
- providing information about data storage and management