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  1. 26 Μαΐ 2016 · You can use only numbers without quotes as values strings should be quoted. Your query is vulnerable to sql enjection so either escape your fields or use pdo. See below code for escaping the fields. $pWord = $conn->real_escape_string($pWord); $uName = $conn->real_escape_string($uName);

  2. Multiple Statements. MySQL optionally allows having multiple statements in one statement string, but it requires special handling. Multiple statements or multi queries must be executed with mysqli::multi_query(). The individual statements of the statement string are separated by semicolon.

  3. 25 Ιαν 2020 · How to apply multiple if conditions in PHP. Discover the basics of PHP conditional expressions. With logical operators, we can make multiple comparisons into if. Let’s show this example that we have given in logical operators using if. if($a > 0 && $a < 100) {. echo '$a variable is between 0-100';

  4. 9 Ιαν 2024 · Logical operators, like AND (&&) and OR (||), allow combining multiple conditions within a single if statement.

  5. Multiple WHERE conditions. MySQL allows you to perform more complicated queries by using AND and OR in your WHERE clause to tie conditions together. You can also use brackets to form groups of equations through two main processes - using AND/OR (plus brackets) to make your queries more specific, and using the JOIN keyword to merge tables together.

  6. 15 Δεκ 2021 · When evaluating conditions and assigning code to run based on whether or not those conditions are met, we are writing conditional code. This tutorial will start with an overview of the comparison operators that will be used to build conditional statements.

  7. The WHERE clause is used to filter records. It is used to extract only those records that fulfill a specified condition.