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SQL queries are written in an English-like syntax. Imagine a magazine publisher which keeps a list of subscribers in a database table, sorted by first name, last name, address, subscription ...
Dynamic PHP pages give you the option to choose a MySQL table dynamically from which to query. You must ensure that the table exists before running a query on the table. PHP has a quick function ...
Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement. It’s sometimes difficult to know which SQL syntax to use when ...