515 lines
11 KiB
HTML
515 lines
11 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<title>MySQL SQL問題集1</title>
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</head>
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<body>
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<h1>MySQL SQL問題集 part１</h1>
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<p><strong>基礎DDL, DML練習</strong></p>
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<p><a href="../Question2/MySQL_Questions2.html">MySQL SQL問題集 part２</a></p>
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<h2><strong>問１ テーブル作成</strong></h2>
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<p>図のようなテーブルを作成してください。</p>
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<h3>テーブル名</h3>
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<p><strong>book_table</strong></p>
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<h3>カラム</h3>
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<table>
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<thead>
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<tr>
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<th style="text-align:left">物理カラム名</th>
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<th style="text-align:center">論理カラム名</th>
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<th style="text-align:center">型</th>
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</tr>
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</thead>
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<tbody>
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<tr>
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<td style="text-align:left">book_id</td>
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<td style="text-align:center">書籍ID</td>
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<td style="text-align:center">INT</td>
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</tr>
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<tr>
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<td style="text-align:left">book_name</td>
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<td style="text-align:center">書籍名</td>
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<td style="text-align:center">VARCHAR(50)</td>
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</tr>
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<tr>
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<td style="text-align:left">author_name</td>
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<td style="text-align:center">著者</td>
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<td style="text-align:center">VARCHAR(50)</td>
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</tr>
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<tr>
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<td style="text-align:left">price</td>
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<td style="text-align:center">価格</td>
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<td style="text-align:center">INT</td>
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</tr>
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<tr>
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<td style="text-align:left">sales_flag</td>
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<td style="text-align:center">販売有無</td>
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<td style="text-align:center">INT</td>
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</tr>
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<tr>
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<td style="text-align:left"></td>
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<td style="text-align:center"></td>
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<td style="text-align:center"></td>
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</tr>
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</tbody>
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</table>
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<h2><strong>問２ データ挿入</strong></h2>
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<p>作成したテーブルに以下のデータを追加してください</p>
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<h3>データ</h3>
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<table>
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<thead>
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<tr>
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<th style="text-align:left">book_id</th>
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<th style="text-align:center">book_name</th>
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<th style="text-align:center">author_name</th>
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<th style="text-align:center">price</th>
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<th style="text-align:center">sales_flag</th>
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</tr>
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</thead>
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<tbody>
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<tr>
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<td style="text-align:left">10001</td>
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<td style="text-align:center">TwoPeace</td>
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<td style="text-align:center">三田英一郎</td>
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<td style="text-align:center">420</td>
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<td style="text-align:center">1</td>
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</tr>
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<tr>
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<td style="text-align:left">10002</td>
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<td style="text-align:center">名探偵金田二</td>
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<td style="text-align:center">青山ふみや</td>
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<td style="text-align:center">460</td>
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<td style="text-align:center">1</td>
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</tr>
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<tr>
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<td style="text-align:left">20001</td>
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<td style="text-align:center">坊ちゃま</td>
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<td style="text-align:center">冬目漱岩</td>
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<td style="text-align:center">460</td>
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<td style="text-align:center">1</td>
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</tr>
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<tr>
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<td style="text-align:left">30001</td>
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<td style="text-align:center">西方見聞録</td>
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<td style="text-align:center">不明</td>
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<td style="text-align:center">1000</td>
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<td style="text-align:center">1</td>
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</tr>
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<tr>
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<td style="text-align:left">40010</td>
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<td style="text-align:center">吾輩は犬である</td>
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<td style="text-align:center">冬目漱岩</td>
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<td style="text-align:center">420</td>
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<td style="text-align:center">1</td>
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</tr>
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<tr>
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<td></td>
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<td></td>
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<td></td>
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<td></td>
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<td></td>
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</tr>
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</tbody>
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</table>
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<p><img src="../img/question1/図1.png" alt="図1"></p>
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<h2><strong>問３ カラム指定データ抽出</strong></h2>
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<p>全データの書籍名と著者名のみを表示してください</p>
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<p><img src="../img/question1/図2.png" alt="図2"></p>
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<h2><strong>問４ データ更新</strong></h2>
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<p>書籍ID「30001」のデータの著者を「マール＝コー＝ポロ」に、販売有無を「0」に修正してください</p>
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<p><img src="../img/question1/図3.png" alt="図3"></p>
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<h2><strong>問５ 条件付きデータ抽出</strong></h2>
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<p>販売有無が1のレコードを表示してください</p>
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<p><img src="../img/question1/図4.png" alt="図4"></p>
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<h2><strong>問６ 複数条件データ抽出</strong></h2>
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<p>著者名が「冬目漱岩」で、価格が「420」のデータを表示してください</p>
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<p><img src="../img/question1/図5.png" alt="図5"></p>
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<h2><strong>問７ データ削除</strong></h2>
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<p>書籍ID「20001」のデータを削除してください</p>
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<p><img src="../img/question1/図6.png" alt="図6"></p>
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</body>
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</html>
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