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Data vs Metadata

Data vs Metadata

Difference Between Data vs Metadata

Data vs Metadata, the information processed in the computer for further usage of anyone who uses the applications is called data. Data helps to gain knowledge about the application or software, history and to gain insights about the same. This helps to develop the application for further updates and to help the developers further with the application. Data that gives more information about the data’s instances is called metadata. The unmanaged data being the date or size or the images is called metadata and it is easy to manage once they are classified under metadata. Even the webpages have some information about metadata and have metatags to classify them.

Head to Head Comparison Between Data vs Metadata (Infographics)

Below are the top 8 Comparisons between Data and Metadata

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Data vs Metadata Infographics

Key Differences of Data vs Metadata

Let us study some important key differences between Data and Metadata:

  • Data includes any information about the application or software in the system but it will be not in a structured manner and the user has to arrange it according to their needs. Any information is data. Whereas metadata is the classified information and is more detailed and defined in the system. They give information such as date, size, image numbers, and any other relevant information.
  • Data is a collection of information but it does not add context to them. Data gives information such as different names, maybe different dates, or other information but does not say where it came from and how does it work in the system. But metadata adds more details such as how the names where originated, who named it, when was it given, and how many alternative names it has. All these are needed for the proper functioning of data and to add value to the data.
  • Data is not protected well and any users can access the data from the source. Data does not have the login information and this makes the data give information to anyone who asks them. On the other hand, data is preserved and retained in metadata as it has all the information from the resources and knows how to manage them in the system. They protect the data when the data is asked from unsecured sources and this makes the system more secure
  • When the user needs just information about an application or software and does not require more details of those, then data becomes handy to them. Metadata is for those developers and programmers who need detailed information about the data and more information to be retrieved from them for further processing of data. Metadata is not designed for users who do not require detailed information.
  • Data does not take any ownership of the information it provides and it is solely the responsibility of the user to manage and to know the type of data they are looking for. But metadata takes the ownership of the data it provides with proper rights approved to the user. This helps to manage the data needed by them and to know the details of the data provided and asked by each user in the system.
  • When the information is retrieved, proper classification is not provided by data and gives a vague idea of the information in the system. But metadata helps in information retrieval and proper classification of the data to help the developers to process them for further needs in the system.

Comparison Table of Data vs Metadata

Below is the comparison table:

Data

Metadata

We cannot say that data gives information about the applications as much as we need. It gives some information but not necessarily relevant information. Metadata by itself gives detailed information about the data and its instances. It is created to give more information about the data itself.
The description of the resources is not done in the data. They just give the information and most resources are not named and even if they are named, a description of any information cannot be found in data. Metadata describes any information in the data and mostly the resource description is done in a pretty good manner. They just dig out the information, find the resources, and give details about the resources as well.
Managing users is not a task assigned to data. They don’t know any details of the users and give information about whatever they ask for. Users are easily managed in metadata with their login details and the time they utilize the system. Also, metadata classifies the kind of information users need from the system.
Data cannot help much in migration and description of data as it does not have any other details that help in migration. Also, data discovery cannot be done with the available data in the system. Metadata helps in data migration and in discovering various instances of data. This makes the system to work well with the data to know their working level and to get information regarding past performances.
Data is always not assured as processed. It can be either processed or unprocessed data. Metadata is always processed and does not have space for unprocessed data. Also, unprocessed data makes the work more hectic while discovering data for migration or checking the facts.
Data Manipulation Language updates information about the data and makes them work in the system when information is needed by the user. Data Definition Language updates metadata in the data dictionary and keeps them up to date. This makes it relevant in day to day life of the user.
Data does not show the location of the data and we cannot use them for the future without processing them. Either for structured or unstructured, metadata shows the location of the data and saves relevant data for future use.
When an image or document is saved, the text or image is the data in the system. Or in a program, the class or function is data. The time the image or text is saved, who has saved it, the size of the same comes under metadata. Also, the data types in the program is called metadata.

Conclusion

Mostly data and metadata are stored separately where metadata provides links to the details of the information provided by the data. Hence, the data gives information about everything including metadata. Metadata gives information about the data. Both are interconnected with each other.

Recommended Articles

This is a guide to Data vs Metadata. Here we discuss the difference between Data vs Metadata, key differences, and comparison table. You can also go through our other related articles to learn more –

  1. What is Metadata?
  2. Impala Database
  3. Data Flow Architecture
  4. What is Data Security?
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