Parameters
    $sql - The SQL statement.
    
    Returns
    
    
      The count of affected records.
    
    
    Syntax
    
    
      
        
          | PHP | 
          
            | 
              public function SQLExecute(string $sql) : int
             | 
          
        
      
     
    
    
      Executes an Add, Delete or Update SQL statement.
    
    
    
      Copyright © Lester J. Clark and Contributors.
      Licensed under the MIT License.