What are some basic SQL functions that are essential for programming a forum/board in PHP?

When programming a forum or message board in PHP, it is essential to use SQL functions to interact with the database. Some basic SQL functions that are crucial for this purpose include SELECT, INSERT, UPDATE, and DELETE. These functions allow you to retrieve data from the database, insert new records, update existing records, and delete unwanted data. 

// Example of using SQL SELECT function to retrieve data from the database
$sql = "SELECT * FROM posts WHERE category = 'General'";
$result = mysqli_query($conn, $sql);

if (mysqli_num_rows($result) > 0) {
    while ($row = mysqli_fetch_assoc($result)) {
        echo "Title: " . $row["title"] . " - Content: " . $row["content"] . "<br>";
    }
} else {
    echo "No posts found.";
}

Keywords

SQL functions forum board PHP programming essential

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