PHP 및 Oracle 데이터베이스를 위한 데이터 준비 팁

<?php
    $username = 'your_username';
    $password = 'your_password';
    $connection = oci_connect($username, $password, 'localhost/XE');
    if (!$connection) {
        $error = oci_error();
        die('数据库连接失败: ' . $error['message']);
    }
    echo '数据库连接成功';
    oci_close($connection);
?>

<?php
    $sql = "CREATE TABLE users (
        id NUMBER PRIMARY KEY,
        name VARCHAR(50),
        email VARCHAR(50)
    )";
    $stmt = oci_parse($connection, $sql);
    oci_execute($stmt);
    echo '表格创建成功';
?>

<?php
    $sql = "INSERT INTO users (id, name, email) VALUES (1, 'John', 'john@example.com')";
    $stmt = oci_parse($connection, $sql);
    oci_execute($stmt);
    echo '数据插入成功';
?>

<?php
    $sql = "SELECT * FROM users";
    $stmt = oci_parse($connection, $sql);
    oci_execute($stmt);
    while ($row = oci_fetch_array($stmt, OCI_ASSOC+OCI_RETURN_NULLS)) {
        echo 'ID: ' . $row['ID'] . ', Name: ' . $row['NAME'] . ', Email: ' . $row['EMAIL'];
        echo '<br>';
    }
?>

<?php
    $sql = "UPDATE users SET email = 'new_email@example.com' WHERE id = 1";
    $stmt = oci_parse($connection, $sql);
    oci_execute($stmt);
    echo '数据更新成功';
?>

<?php
    $sql = "DELETE FROM users WHERE id = 1";
    $stmt = oci_parse($connection, $sql);
    oci_execute($stmt);
    echo '数据删除成功';
?>