SQL Data is everywhere, from social media posts to online transactions, from sensor readings to health records, we generate and consume massive amounts of data every day. But how do we store, organize, manipulate and retrieve this data efficiently and effectively? How do we query and analyze this data to gain insights and make decisions? How do we ensure the security and integrity of this data? One of the most popular and powerful tools for data management is SQL. SQL stands for Structured Query Language, a standardized programming language that is used to manage relational databases. Relational databases are systems that store data in tables, where each table consists of rows (records) and columns (attributes). Tables can be linked by common attributes, forming relationships between them. SQL lets you access and manipulate databases using various operations . Some of the most common operations are: - CREATE : This operation allows you to create new tables or databases. - SELECT : This
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