Querying A Database

Querying a database refers to the process of retrieving specific information from a database using a query language such as SQL. In data science and artificial intelligence, querying a database is an essential step in data analysis and machine learning. It involves selecting, filtering, and sorting data based on specific criteria to extract meaningful insights and patterns. Querying a database can also involve joining multiple tables to combine data from different sources. The results of a query can be used to create visualizations, build predictive models, or make data-driven decisions.
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