Delete API

	function where($column, string $operator = null, $value = null): self;
 
    function andWhere(string $column, string $operator = null, $value = null): self;
 
    function orWhere(string $column, string $operator = null, $value = null): self;
 
    function drop();
 
    function dropIfExists();
 
    function getSql();
 
    function execute();