Data Querying

Data querying is the process of retrieving specific information from a dataset or database using a structured language or tool. It involves formulating requests to filter, sort, aggregate, or manipulate data based on defined criteria, enabling efficient access to relevant insights. This concept is fundamental in data analysis, software development, and database management.

Also known as: Data Retrieval, Querying, Database Querying, SQL Querying, Data Extraction

Why learn Data Querying?

Developers should learn data querying to interact with databases, APIs, or data stores in applications, such as building dynamic web pages, generating reports, or implementing search functionality. It is essential for tasks like data extraction in ETL processes, real-time analytics, and backend development where data-driven decisions are required.

Learning Resources

• tutorial: SQL Tutorial - W3Schools
• course: Introduction to Data Querying - Coursera
• docs: Querying Data with Transact-SQL - Microsoft Docs
• video: Data Querying Basics - YouTube