Django Auth, Session, Admin, ContentTypes 的SQL

'SESSIONS: BEGIN; CREATE TABLE "django_session" ( "session_key" varchar(40) NOT NULL PRIMARY KEY, "session_data" text NOT NULL, "expire_date" datetime NOT NULL ) ; COMMIT; 'AUTH: BEGIN; CREATE TABLE "auth_permission" ( "id" integer NOT NULL PRIMARY KEY, "name" varchar(50) NOT NULL, "content_type_id" integer NOT NULL REFERENCES "django_content_type" [...]