April 2022
Beginner to intermediate
344 pages
9h 32m
Japanese
Content preview from はじめての設計をやり抜くための本 第2版 概念モデリングからアプリケーション、データベース、アーキテクチャ設計、アジャイル開発まで
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081
導
入
編
1
設
計
編
ア
キ
テ
ク
チ
ャ
編
2
3
4
5
6
7
2
表
2
-
11
：外部入力（
EI
）の算出
データ項目数（DET）
1〜4 5〜15 16〜
関連ファイル数
（FTR）
0〜1 低 低 中
2 低 中 高
3〜 中 高 高
表
2
-
12
：外部出力（
EO
）と外部照会（
EQ
）の算出
データ項目数（DET）
1〜5 6〜19 20〜
関連ファイル数
（FTR）
0〜1 低 低 中
2〜3 低 中 高
4〜 中 高 高
データ項目数と関連ファイル数から複雑さを「低・中・高」に評価できた
ら、表2-13でFP数を計算します。この表では、トランザクションファンク
ションのファンクションタイプごとに、複雑さに応じた掛け率を定義してい
ます。トランザクションファンクションの数と複雑さに応じた掛け率をかけ
表
2
-
13
：
FP
数の算出
ファンクションタイプ 複雑さ 合計
低 中 高
トランザクション
ファンクション
外部入力（EI） ×3 2×4 ×6 8
外部出力（EO） 2×4 ×5 ×7 8
外部照会（EQ） 3×3 ×4 ×6 9
FP数 25
082
導
入
編
1
設
計
編
ア
キ
テ
ク
チ
ャ
編
2
3
4
5
6
7
2
ることで、FP数が算出されます。例えば、複雑さが「中」の外部入力が2
つ、複雑さが「低」の外部出力（EO）が2つ、複雑さが低の外部照会が3
つあるとすれば、FP ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.