mysql 删除成功返回什么

DELETE FROM table_name WHERE condition;

// PHP示例
$result = mysqli_query($conn, "DELETE FROM table_name WHERE condition");
$affected_rows = mysqli_affected_rows($conn);
echo "受影响的行数: " . $affected_rows;

# Python示例
import MySQLdb

conn = MySQLdb.connect(host="localhost", user="user", passwd="password", db="database")
cursor = conn.cursor()
cursor.execute("DELETE FROM table_name WHERE condition")
affected_rows = cursor.rowcount
print("受影响的行数:", affected_rows)