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In database management, the ability to filter and retrieve precise data is an essential skill. SQL, the language used to interact with relational databases, provides various tools for this purpose, and among them, the WHERE clause is one of the most powerful and frequently used features. It allows users to narrow down data retrieval to only those rows that meet certain criteria. This makes queries more efficient and reduces unnecessary data handling. Imagine working with a table containing thousands or even millions of records. Retrieving everything from such a massive...