Function tbl_create

lib_acl_cpp/samples/sqlite/sqlite.cpp:22–39

	")";

static bool tbl_create(acl::db_handle& db)
{
	if (db.tbl_exists("group_tbl"))
	{
		printf("table exist\r\n");
		return (true);
	}
	else if (db.sql_update(CREATE_TBL) == false)
	{
		printf("sql error\r\n");
		return (false);
	}
	else
	{
		printf("create table ok\r\n");
		return (true);
	}
}

// ���ӱ�����
static bool tbl_insert(acl::db_handle& db, int n)