Description: The keyword ‘AS’ in SQL is used to rename columns or tables in a query. It is part of the syntax that allows developers and data analysts to present results in a more understandable and readable manner. By using ‘AS’, an alias can be assigned to a column or table, making it easier to interpret data, especially when dealing with long or uninformative column names. This functionality is essential in report creation and data visualization, as it allows for the customization of result presentation. Additionally, ‘AS’ is used in conjunction with other SQL clauses, such as SELECT, to enhance the clarity of queries. In summary, ‘AS’ is a key tool in data manipulation and presentation in SQL, enabling users to tailor the output of their queries to their specific needs.
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