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Understanding the importance of a data catalog

importance of a data catalog

When you are working as a data analyst for a company, you will often find difficulties in getting your hands on data. When proper data is not available, it can also be challenging to analyse it on time. This is where you need to think about using a data catalog.

What exactly is a data catalog?

A data catalog can organise all the information assets of your company so that people who need access to data can do it with ease. Whenever a data analyst comes across the need to get hold of data, it is possible to access the data catalog. All the data that the data analysis expert needs will be readily available in the data catalog.

When you dive deep and explore a data catalog, you will be able to see the information assets of the company organised in the form of libraries. You will be able to use the data catalog for data storage, data integration and many other purposes. There can be multiple branches of data within a data catalog as well.

A data analyst who uses a data catalog will always be able to get reliable hands-on data. Such data analysts will be able to search on data types, popularity and reviews. Then they can preview data and understand what other people are saying about it. This will also create an excellent environment for them to have a clear understanding of data quality.


What are the benefits of having a data catalog?

All companies and businesses are dealing with large volumes of data. While you are dealing with such a large quantity of data, it is essential to have a data catalog. Here is a list of some of the most prominent benefits that a data catalog will be able to deliver.

- It can provide quick access to data

When you have a data catalog, you will be able to access data you want within a short period. Whenever you need data, it will be readily available. Hence, you no longer need to worry about the issue of accessing data. Data will also be available in a form where you can easily manage it. Therefore, you will be able to reduce the time you usually wait to gain access to data. You will also have self-service access to data, meaning data can be accessed whenever needed.

- Comprehensive access to relevant data

At the time of accessing data, you will come across numerous things that you aren’t aware of. When the information you get as an analyst is incomplete, you will go ahead and make decisions based on that. However, at that time you would not know that you are dealing with an incomplete data set. This can lead to a waste of valuable time and effort. That’s because you cannot figure out whether you have got access to a comprehensive data set or not. By having a data catalog, you can overcome this hassle. That’s because you know that all data is available for you to proceed with the analysis.

- It can improve the trust you have towards data

By having a data catalog, your confidence in the provided data will increase. That’s because you can see what data elements have null values and what data elements are incorrect. This will also provide significant assistance to you with the cleansing of data. As a result, you will be able to increase the data quality and trust in the results that you get out of data analysis efforts.

- You can protect data

Finally, a data catalog will provide you with the opportunity to offer enhanced protection to data that you have. You will also be able to remain compliant by having data rules to run automatically. Therefore, you don’t need to worry about allowing the data to get into the wrong hands.

While keeping these essential facts in mind, go ahead and create a data catalog.