school_districts


Description

学区テーブル

Columns

Column Type Size Nulls Auto Default Children Parents Comments
id bigserial 19 nextval('school_districts_id_seq'::regclass)
school_code varchar 16 null
schools.code school_districts_school_code_fkey R

学校コード

year int2 5 null

年度

area float8 17,17 null

面積(㎡)

polygon geometry 2147483647 null

学区ポリゴン

created_at timestamp 29,6 CURRENT_TIMESTAMP
updated_at timestamp 29,6 CURRENT_TIMESTAMP

Indexes

Constraint Name Type Sort Column(s)
school_districts_pkey Primary key Asc id
idx_school_districts_polygon Performance Asc polygon
idx_school_districts_school_code Must be unique Asc school_code

Relationships