由买买提看人间百态

boards

本页内容为未名空间相应帖子的节选和存档,一周内的贴子最多显示50字,超过一周显示500字 访问原贴
Database版 - ER model and 3NF
相关主题
请问XML还有前途么?Is that possible for Applet to access the Oracle?
sql表里一个空格中可以有多个元素么?Perl DBI & DBD
relation table design question.求教长文本录入
a question on database designany good textbook about DBMS?
数据库入门知识之1.(数据库系统简介)[转载] JDBC 解决方案
数据库知识入门之2.(数据库管理系统简介)打算自行开发一个DBMS
数据库入门知识之4(数据库应用程序)Re: 打算自行开发一个DBMS
Comparing different commercial available DBMS?MySQL Question
相关话题的讨论汇总
话题: er话题: oo话题: 3nf话题: model话题: db
进入Database版参与讨论
1 (共1页)
s**n
发帖数: 178
1
Do you use ER model and 3NF when designing database?
a*******t
发帖数: 891
2
usually

【在 s**n 的大作中提到】
: Do you use ER model and 3NF when designing database?
j*****n
发帖数: 1781
3
Most time, yes.

【在 s**n 的大作中提到】
: Do you use ER model and 3NF when designing database?
B*****g
发帖数: 34098
4
anyone tried OO?

【在 j*****n 的大作中提到】
: Most time, yes.
y****w
发帖数: 3747
5
OO may be a disater when performance is a major measure. I believe OO tables
in relational dbms products are more for marketing than for reality.

【在 B*****g 的大作中提到】
: anyone tried OO?
j*****n
发帖数: 1781
6
what is OO?

【在 B*****g 的大作中提到】
: anyone tried OO?
w*******e
发帖数: 1622
7
Object-Oriented?

【在 j*****n 的大作中提到】
: what is OO?
B*****g
发帖数: 34098
8
db guy say "may", "I think", "possible".....
java guy say "OO" is already outdated....
The truth is db still in ER, no one tried OO.
hehe

tables

【在 y****w 的大作中提到】
: OO may be a disater when performance is a major measure. I believe OO tables
: in relational dbms products are more for marketing than for reality.

s******e
发帖数: 493
9
nested table never prevails in db design. Tom Kyte suggests that you stay
away from it (well he did not say it, but he meant it).
B*****g
发帖数: 34098
10
all top db guys suggest that. hehe.
But I really doubt that because they are not top java guys

【在 s******e 的大作中提到】
: nested table never prevails in db design. Tom Kyte suggests that you stay
: away from it (well he did not say it, but he meant it).

1 (共1页)
进入Database版参与讨论
相关主题
MySQL Question数据库入门知识之1.(数据库系统简介)
求教logic works erwin问题数据库知识入门之2.(数据库管理系统简介)
用Servlet显示数据库里的数据,分页的? (很实际的问题) 数据库入门知识之4(数据库应用程序)
mysql challengeComparing different commercial available DBMS?
请问XML还有前途么?Is that possible for Applet to access the Oracle?
sql表里一个空格中可以有多个元素么?Perl DBI & DBD
relation table design question.求教长文本录入
a question on database designany good textbook about DBMS?
相关话题的讨论汇总
话题: er话题: oo话题: 3nf话题: model话题: db