text: --DROP TABLE IF EXISTS user;
  
  CREATE TABLE user
  (
    id BIGINT NOT NULL,
    name VARCHAR(30) NULL DEFAULT NULL,
    age INT NULL DEFAULT NULL,
    email VARCHAR(50) NULL DEFAULT NULL,
    PRIMARY KEY (id)
  );
  
  
  create table ticks
  (
  	id bigserial not null
  		constraint ticks_pk
  			primary key,
  	tick timestamp
  )
  ;
  
  alter table ticks owner to postgres
  ;
  
  create table anniversary
  (
  	id serial not null
  		constraint table_name_pkey
  			primary key,
  	title char(100),
  	content varchar(1024) not null,
  	date_at date,
  	creator varchar(50) not null,
  	updator varchar(50) not null,
  	create_at timestamp default CURRENT_TIMESTAMP,
  	update_at timestamp default CURRENT_TIMESTAMP
  )
  ;
  
  alter table anniversary owner to postgres
  ;
  
  