CREATE TABLE APP.SENDER
(
   SENDER_ID     INT NOT NULL,
   SENDER_NAME   VARCHAR(1024)   NOT NULL,
   SENDER_URL    VARCHAR(1024),
   SENDER_LOGO   VARCHAR(1024),
   PRIMARY KEY (SENDER_ID)
);
create index sname ON APP.sender (sender_name);

create table APP.keytable (
  key_name			varchar(80) not null primary key,
	key_next			int
);
create index key_name_next ON APP.keytable (key_name,key_next);
insert into APP.keytable (key_name, key_next) values ('sender_id',1);