What is the significance of using reserved words in SQL when creating tables in PHP?

Using reserved words in SQL when creating tables in PHP can lead to syntax errors or unexpected behavior in your database queries. To avoid this issue, it is recommended to choose column names that are not reserved words in SQL. If you must use a reserved word, you can enclose the column name in backticks (`) to ensure it is interpreted correctly by the database. 

$sql = "CREATE TABLE users (
    `user_id` INT AUTO_INCREMENT PRIMARY KEY,
    `username` VARCHAR(50),
    `password` VARCHAR(50)
)";

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SQL reserved words tables PHP significance

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