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Building a Web Application with PHP and MariaDB: A Reference Guide by Sai Srinivas Sriparasa

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Until now, we have coupled our SELECT statements with various filtering and sorting techniques to query the student information extensively. As we are operating in a relational-model of data storage and since our data is stored in different tables, we are yet to figure out how our SELECT statements can be fired across multiple tables. In our case, this would help us find out what course or courses a student has registered for, or to find our which course has the most number of students. Following the relational-model of data allows us to store data in a more efficient manner, allows us to independently manipulate the data in different tables, and allows for greater scalability; however, querying the data across multiple tables is going to ...

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