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What is data validation?

Data validation is a process that aims to improve the quality of data contained in a dataset. This process verifies that the data is accurate, consistent, and complete, and ensures that the data is fit for its stated purpose. The data validation process can be manual or automated. In the manual process, an expert reviews the data and ensures that it is accurate and complete. In the automated process, special programs or algorithms are used to validate the data.

What is Data Discovery?

Data discovery is a form of data analysis in which data from various sources is collected, analyzed and visualized to uncover and understand business information. The goal is to gain insights into the data that can be useful for decisions and processes within an organization. Data discovery tools can help companies better understand how to use data and improve decision making.

What is database optimization?

Database optimization is a process of adjusting a database so that it responds to queries as quickly and efficiently as possible. Optimizations can affect various aspects, including database structure, query syntax, and indexing. The goal is to speed up access to the database while conserving system resources.

What is a data warehouse architecture?

A data warehouse architecture is a technical system that provides a consistent and integrated database for analysis and reporting. It is a central data repository where data from multiple sources is collected, consolidated, and stored for analysis and reporting. A data warehouse architecture can contain multiple components, including a database, ETL processes, data integration, data quality processes, reporting, and analytics.

What is a database query?

A database query is a command or instruction issued to a database to obtain information. It is one of the basic database functions that allows users to query and retrieve their data. A query is usually written in a query language such as SQL, but some databases use other query languages as well. A query is one of the best ways to retrieve structured data from a database.