Data catalog serves as a centralized repository for metadata about all datasets within an organization. Even though its main job isn't to directly related to data quality, it can really help make the data better in different ways:
Example 1: Imagine a person who looks at the data finds that the addresses for customers don't match up in different places. They use the data catalog to point out the problem, tell the people who own the data, and work together to fix it. This makes the data better for everyone.
Example 2: Let's say a company want to make sure all the names of customers are kept encrypted. The data catalog looks at new information that comes in and warns if any names aren't kept unencrypted. This makes sure all the data follows the same rules and stays safe.
Example 3: If a team finds mistakes in a report made from some data, they can use the data catalog lineage feature to find out where the mistakes came from.
Example 4: A bank needs to know about transactions happening in real time to make decisions. But sometimes, there are delays in getting this information. By using the data catalog to see how the data moves around, they can figure out what's slowing things down and fix it. This means they can make decisions faster and better.
These are just some examples. Remember, a data catalog's effectiveness depends on how it's used and maintained. With active participation and continuous improvement, data catalogs become powerful tools for organizations to achieve and maintain high-quality data across all departments.
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