text: create sequence hibernate_sequence start with 1 increment by 1
  create table url (id bigint not null, longURL varchar(255) not null, primary key (id))
  alter table url add constraint UK_61smkp9hiurwv01u1bphpy9wl unique (longURL)
  create sequence hibernate_sequence start with 1 increment by 1
  create table url (id bigint not null, longURL varchar(255) not null, primary key (id))
  alter table url add constraint UK_61smkp9hiurwv01u1bphpy9wl unique (longURL)
  create sequence hibernate_sequence start with 1 increment by 1
  create table url (id bigint not null, longURL varchar(255) not null, primary key (id))
  alter table url add constraint UK_61smkp9hiurwv01u1bphpy9wl unique (longURL)
  create sequence hibernate_sequence start with 1 increment by 1
  create table url (id bigint not null, LONG_URL varchar(255) not null, SHORT_URL varchar(255), primary key (id))
  alter table url add constraint UK_cjaaxbe9a98i637oikwgb74a2 unique (LONG_URL)
  create sequence hibernate_sequence start with 1 increment by 1
  create table url (id bigint not null, LONG_URL varchar(255) not null, SHORT_URL varchar(255), primary key (id))
  alter table url add constraint UK_cjaaxbe9a98i637oikwgb74a2 unique (LONG_URL)
  