Data catalog
A data catalog is a directory, central repository, or database that contains all information about data from a company.
What does a data catalog work?
- Capture of metadata: The data catalog captures metadata toward data sources, databases, tables, data records, data origin and data quality.
- Provision of search functions: Users can use the Data Catalog to search data based on various criteria, such as name, topic, or data format.
- Visualizing data relationships: The data catalog can visualize data relationships and data lines to illustrate the context of the data.
- Support from Data Governance: The data catalog can Data Governance-Support initiatives by providing information about data ownership, data stewardship, Data quality metrics and provides data usage guidelines.
- Fostering collaboration: The data catalog can promote collaboration between teams by allowing users to comment on data sources add, share experiences and share best practices.
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What are the advantages of a data catalog?
- Improved data transparency: The data catalog makes it easier to understand what data is available in an organization and how it can be used.
- More efficient use of data: Users can use the data catalog to find the data they need faster and easier.
- Improved data quality: The data catalog can help to data quality to improve by providing information about data errors and inconsistencies.
- Support from Data Governance: The data catalog can Data Governance-Support initiatives by providing information about data ownership, data stewardship and provides data usage guidelines.
- Fostering collaboration: The data catalog can promote collaboration between teams by allowing users to comment on data sources add, share experiences and share best practices.
What are the areas of application of a data catalog?
- Data discovery: Users can use the data catalog to find the data they need in large and complex data landscapes.
- Data understanding: The data catalog helps users to better understand the context, quality, and relevance of the data.
- Data Governance: The data catalog supports Data Governance initiatives by providing information about data ownership, data stewardship, data quality provides metrics and data usage guidelines.
- Collaboration: The Data Catalog promotes collaboration between teams by allowing users to comment on data sources add, share experiences and share best practices.
- Safety and Compliance: The data catalog can help ensure that data is in accordance with data protection and Compliance-Organization policies are used.
- Data line: The data catalog can provide insights into the origin of data, its movement through systems and its transformations.
- Self-service: The data catalog can make self-service access to data easier.
- Optimizing data projects: The data catalog can improve the efficiency of data projects.
Who are the users of a data catalog?
- Data scientists: Data scientists can use the data catalog to create new data sources to find, to evaluate the quality of data and to find data for your analyses.
- Data Analysts: Data analysts can use the Data Catalog to find data for reports and dashboards and the data quality to check.
- Data Engineers: Data engineers can use the Data Catalog to manage data infrastructure and make data available to data scientists and data analysts.
- Subject matter experts: Subject matter experts can use the Data Catalog to find data that is relevant to their work.
What are the requirements for a data catalog?
- Integration with data sources: The data catalog must be able to collect data from various data sources to be recorded, e.g. from databases, data warehouses and Data Lakes.
- Flexible search features: The data catalog must offer flexible search functions that enable users to find data based on various criteria.
- Visualizing data relationships: The data catalog should be able to visualize data relationships and data lines to illustrate the context of the data.
- Support from Data Governance: The data catalog should Data Governance-can support initiatives by providing information about data ownership, data stewardship, Data quality metrics and provides data usage guidelines.
- User-friendly interface: The data catalog should provide a user-friendly interface that enables users with different technical skills
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Note: Our team benefited from the support of AI technologies while creating and maintaining this glossary.
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