HW1-MandysList
2016-10-30 14:54:16 0 举报
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社区广告网站-ER图-数据库原理
作者其他创作
大纲/内容
URL
Amazon S3 bucket
belong
1
ad
description
n
status
follow
id (PK)
city
brithday
price
send
community
body
message
like
gender
name
password
state
topic
region
name (PK)
last edit date
user
email address
msg_id (PK)
assign
outbox
PK refer to Primary Key
inbox
username (PK)
title (PK)
store
include
post date
image
category
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