table

user_shokuzai
{
user_id: int,
shokuzai_id: int,
comment: comment
}

shokuzai_master
{
shokuzai_id: int,
shokuzai_name: varchar,
shokuzai_shosai: varchar,
shokuzai_shomikigen: varchar,
created_at: int,
updated_at: int
}