Had to modify the table creation script to get it to work for Derby when used with the ij tool (supplied with Derby). Basically I replaced:

replaced "long varbinary" with "blob"
replaced "longint" with "bigint"
deleted explicit "null" declarations ("not null"'s were unchanged)
----------------------------------------------------------------------------------------
create table qrtz_job_details (
job_name varchar(200) not null,
job_group varchar(200) not null,
description varchar(250) ,
job_class_name varchar(250) not null,
is_durable varchar(5) not null,
is_volatile varchar(5) not null,
is_stateful varchar(5) not null,
requests_recovery varchar(5) not null,
job_data blob,
primary key (job_name,job_group)
);

create table qrtz_job_listeners(
job_name varchar(200) not null,
job_group varchar(200) not null,
job_listener varchar(200) not null,
primary key (job_name,job_group,job_listener),
foreign key (job_name,job_group) references qrtz_job_details(job_name,job_group)
);

create table qrtz_triggers(
trigger_name varchar(200) not null,
trigger_group varchar(200) not null,
job_name varchar(200) not null,
job_group varchar(200) not null,
is_volatile varchar(5) not null,
description varchar(250),
next_fire_time bigint,
prev_fire_time bigint,
priority integer,
trigger_state varchar(16) not null,
trigger_type varchar(8) not null,
start_time bigint not null,
end_time bigint,
calendar_name varchar(200),
misfire_instr smallint,
job_data blob,
primary key (trigger_name,trigger_group),
foreign key (job_name,job_group) references qrtz_job_details(job_name,job_group)
);

create table qrtz_simple_triggers(
trigger_name varchar(200) not null,
trigger_group varchar(200) not null,
repeat_count bigint not null,
repeat_interval bigint not null,
times_triggered bigint not null,
primary key (trigger_name,trigger_group),
foreign key (trigger_name,trigger_group) references qrtz_triggers(trigger_name,trigger_group)
);

create table qrtz_cron_triggers(
trigger_name varchar(200) not null,
trigger_group varchar(200) not null,
cron_expression varchar(120) not null,
time_zone_id varchar(80),
primary key (trigger_name,trigger_group),
foreign key (trigger_name,trigger_group) references qrtz_triggers(trigger_name,trigger_group)
);

create table qrtz_blob_triggers(
trigger_name varchar(200) not null,
trigger_group varchar(200) not null,
blob_data blob,
primary key (trigger_name,trigger_group),
foreign key (trigger_name,trigger_group) references qrtz_triggers(trigger_name,trigger_group)
);

create table qrtz_trigger_listeners(
trigger_name varchar(200) not null,
trigger_group varchar(200) not null,
trigger_listener varchar(200) not null,
primary key (trigger_name,trigger_group,trigger_listener),
foreign key (trigger_name,trigger_group) references qrtz_triggers(trigger_name,trigger_group)
);

create table qrtz_calendars(
calendar_name varchar(200) not null,
calendar blob not null,
primary key (calendar_name)
);

create table qrtz_paused_trigger_grps
  (
    trigger_group varchar(200) not null,
primary key (trigger_group)
);

create table qrtz_fired_triggers(
entry_id varchar(95) not null,
trigger_name varchar(200) not null,
trigger_group varchar(200) not null,
is_volatile varchar(5) not null,
instance_name varchar(200) not null,
fired_time bigint not null,
priority integer not null,
state varchar(16) not null,
job_name varchar(200),
job_group varchar(200),
is_stateful varchar(5),
requests_recovery varchar(5),
primary key (entry_id)
);

create table qrtz_scheduler_state
  (
    instance_name varchar(200) not null,
    last_checkin_time bigint not null,
    checkin_interval bigint not null,
primary key (instance_name)
);

create table qrtz_locks
  (
    lock_name varchar(40) not null,
primary key (lock_name)
);

insert into qrtz_locks values('TRIGGER_ACCESS');
insert into qrtz_locks values('JOB_ACCESS');
insert into qrtz_locks values('CALENDAR_ACCESS');
insert into qrtz_locks values('STATE_ACCESS');
insert into qrtz_locks values('MISFIRE_ACCESS');