Search results for: "BETWEEN AND operator"

How can multiple years be queried at once in a PHP database query?

To query multiple years at once in a PHP database query, you can use the SQL `IN` operator with an array of years that you want to query. This allows...

What potential issues can arise when trying to assign $_POST['xy'] to $xy in PHP?

When trying to assign `$_POST['xy']` to `$xy` in PHP, a potential issue that can arise is that `$_POST['xy']` may not be set, leading to a notice or w...

Why is using `LIKE` in a SQL query for a unique identifier like an article number not recommended?

Using `LIKE` in a SQL query for a unique identifier like an article number is not recommended because it can return multiple results that match a part...

How can PHP developers ensure that their code is optimized when checking for multiples of a value?

To optimize code when checking for multiples of a value in PHP, developers can use the modulus operator (%) to efficiently determine if a number is a...

How can PHP variables be properly concatenated in a string?

To properly concatenate PHP variables in a string, you can use the dot (.) operator to join the variables with the string. This allows you to insert v...