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| <hr/> | |
| <h3><span>Statement:</span> the total medals for the nation with 1 silver and 0 golds is more than 2</h3> | |
| <h3>Input Table: volleyball at the summer olympics</h3> | |
| <div class="step"> | |
| <div class="step"> | |
| <div class="step-title">Step 1: Select rows where the 'silver' column is equal to 1 and the 'gold' column is equal to 0.</div> | |
| <div class="content" id="step-1"> | |
| <table> | |
| <tr> | |
| <td>rank</td> | |
| <td>nation</td> | |
| <td>gold</td> | |
| <td>silver</td> | |
| <td>bronze</td> | |
| <td>total</td> | |
| </tr> | |
| <tr> | |
| <td>1</td> | |
| <td>soviet union</td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">3</span></td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">2</span></td> | |
| <td>1</td> | |
| <td>6</td> | |
| </tr> | |
| <tr> | |
| <td>2</td> | |
| <td>united states</td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">3</span></td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">0</span></td> | |
| <td>1</td> | |
| <td>4</td> | |
| </tr> | |
| <tr> | |
| <td>3</td> | |
| <td>brazil</td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">2</span></td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">3</span></td> | |
| <td>0</td> | |
| <td>5</td> | |
| </tr> | |
| <tr> | |
| <td>4</td> | |
| <td>russia</td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">1</span></td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">1</span></td> | |
| <td>2</td> | |
| <td>4</td> | |
| </tr> | |
| <tr> | |
| <td>5</td> | |
| <td>japan</td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">1</span></td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">1</span></td> | |
| <td>1</td> | |
| <td>3</td> | |
| </tr> | |
| <tr> | |
| <td>6</td> | |
| <td>netherlands</td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">1</span></td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">1</span></td> | |
| <td>0</td> | |
| <td>2</td> | |
| </tr> | |
| <tr> | |
| <td>7</td> | |
| <td>yugoslavia</td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">1</span></td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">0</span></td> | |
| <td>1</td> | |
| <td>2</td> | |
| </tr> | |
| <tr> | |
| <td>8</td> | |
| <td>poland</td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">1</span></td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">0</span></td> | |
| <td>0</td> | |
| <td>1</td> | |
| </tr> | |
| <tr> | |
| <td>9</td> | |
| <td>italy</td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">0</span></td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">2</span></td> | |
| <td>3</td> | |
| <td>5</td> | |
| </tr> | |
| <tr> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">10</span></td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">czechoslovakia</span></td> | |
| <td><span class="highlighted-cell" style="background-color:#90EE90;" title="Used in transformation">0</span></td> | |
| <td><span class="highlighted-cell" style="background-color:#90EE90;" title="Used in transformation">1</span></td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">1</span></td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">2</span></td> | |
| </tr> | |
| <tr> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">11</span></td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">bulgaria</span></td> | |
| <td><span class="highlighted-cell" style="background-color:#90EE90;" title="Used in transformation">0</span></td> | |
| <td><span class="highlighted-cell" style="background-color:#90EE90;" title="Used in transformation">1</span></td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">0</span></td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">1</span></td> | |
| </tr> | |
| <tr> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">11</span></td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">east germany</span></td> | |
| <td><span class="highlighted-cell" style="background-color:#90EE90;" title="Used in transformation">0</span></td> | |
| <td><span class="highlighted-cell" style="background-color:#90EE90;" title="Used in transformation">1</span></td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">0</span></td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">1</span></td> | |
| </tr> | |
| <tr> | |
| <td>13</td> | |
| <td>argentina</td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">0</span></td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">0</span></td> | |
| <td>1</td> | |
| <td>1</td> | |
| </tr> | |
| <tr> | |
| <td>13</td> | |
| <td>cuba</td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">0</span></td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">0</span></td> | |
| <td>1</td> | |
| <td>1</td> | |
| </tr> | |
| <tr> | |
| <td>13</td> | |
| <td>romania</td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">0</span></td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">0</span></td> | |
| <td>1</td> | |
| <td>1</td> | |
| </tr> | |
| </table> | |
| </div> | |
| <hr/> | |
| <div class="step"> | |
| <div class="step-title">Step 2: Extract the sum of the 'total' column for the selected rows and add a column 'total_medals' to the existing table.</div> | |
| <div class="content" id="step-0"> | |
| <table> | |
| <tr> | |
| <td>rank</td> | |
| <td>nation</td> | |
| <td>gold</td> | |
| <td>silver</td> | |
| <td>bronze</td> | |
| <td>total</td> | |
| </tr> | |
| <tr> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">10</span></td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">czechoslovakia</span></td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">0</span></td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">1</span></td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">1</span></td> | |
| <td><span class="highlighted-cell" style="background-color:#90EE90;" title="Used in transformation">2</span></td> | |
| </tr> | |
| <tr> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">11</span></td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">bulgaria</span></td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">0</span></td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">1</span></td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">0</span></td> | |
| <td><span class="highlighted-cell" style="background-color:#90EE90;" title="Used in transformation">1</span></td> | |
| </tr> | |
| <tr> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">11</span></td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">east germany</span></td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">0</span></td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">1</span></td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">0</span></td> | |
| <td><span class="highlighted-cell" style="background-color:#90EE90;" title="Used in transformation">1</span></td> | |
| </tr> | |
| </table> | |
| </div> | |
| </div> | |
| <hr/> | |
| <div class="step"> | |
| <div class="step-title">Step 3: Select rows where 'total_medals' is greater than 2.</div> | |
| <div class="content" id="step-1"> | |
| <table> | |
| <tr> | |
| <td>rank</td> | |
| <td>nation</td> | |
| <td>gold</td> | |
| <td>silver</td> | |
| <td>bronze</td> | |
| <td>total</td> | |
| <td>total_medals</td> | |
| </tr> | |
| <tr> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">10</span></td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">czechoslovakia</span></td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">0</span></td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">1</span></td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">1</span></td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">2</span></td> | |
| <td><span class="highlighted-cell" style="background-color:#90EE90;" title="Used in transformation">4</span></td> | |
| </tr> | |
| <tr> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">11</span></td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">bulgaria</span></td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">0</span></td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">1</span></td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">0</span></td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">1</span></td> | |
| <td><span class="highlighted-cell" style="background-color:#90EE90;" title="Used in transformation">4</span></td> | |
| </tr> | |
| <tr> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">11</span></td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">east germany</span></td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">0</span></td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">1</span></td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">0</span></td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">1</span></td> | |
| <td><span class="highlighted-cell" style="background-color:#90EE90;" title="Used in transformation">4</span></td> | |
| </tr> | |
| </table> | |
| </div> | |
| </div> | |
| <hr/> | |
| <div class="step"> | |
| <div class="step-title">Step 4: Use a `CASE` statement to return TRUE if the number of rows is greater than or equal to 1, otherwise return FALSE.</div> | |
| <div class="content" id="step-2"> | |
| <table> | |
| <tr> | |
| <td>rank</td> | |
| <td>nation</td> | |
| <td>gold</td> | |
| <td>silver</td> | |
| <td>bronze</td> | |
| <td>total</td> | |
| <td>total_medals</td> | |
| </tr> | |
| <tr> | |
| <td><span class="highlighted-cell" style="background-color:#90EE90;" title="Used in transformation">10</span></td> | |
| <td><span class="highlighted-cell" style="background-color:#90EE90;" title="Used in transformation">czechoslovakia</span></td> | |
| <td><span class="highlighted-cell" style="background-color:#90EE90;" title="Used in transformation">0</span></td> | |
| <td><span class="highlighted-cell" style="background-color:#90EE90;" title="Used in transformation">1</span></td> | |
| <td><span class="highlighted-cell" style="background-color:#90EE90;" title="Used in transformation">1</span></td> | |
| <td><span class="highlighted-cell" style="background-color:#90EE90;" title="Used in transformation">2</span></td> | |
| <td><span class="highlighted-cell" style="background-color:#90EE90;" title="Used in transformation">4</span></td> | |
| </tr> | |
| <tr> | |
| <td><span class="highlighted-cell" style="background-color:#90EE90;" title="Used in transformation">11</span></td> | |
| <td><span class="highlighted-cell" style="background-color:#90EE90;" title="Used in transformation">bulgaria</span></td> | |
| <td><span class="highlighted-cell" style="background-color:#90EE90;" title="Used in transformation">0</span></td> | |
| <td><span class="highlighted-cell" style="background-color:#90EE90;" title="Used in transformation">1</span></td> | |
| <td><span class="highlighted-cell" style="background-color:#90EE90;" title="Used in transformation">0</span></td> | |
| <td><span class="highlighted-cell" style="background-color:#90EE90;" title="Used in transformation">1</span></td> | |
| <td><span class="highlighted-cell" style="background-color:#90EE90;" title="Used in transformation">4</span></td> | |
| </tr> | |
| <tr> | |
| <td><span class="highlighted-cell" style="background-color:#90EE90;" title="Used in transformation">11</span></td> | |
| <td><span class="highlighted-cell" style="background-color:#90EE90;" title="Used in transformation">east germany</span></td> | |
| <td><span class="highlighted-cell" style="background-color:#90EE90;" title="Used in transformation">0</span></td> | |
| <td><span class="highlighted-cell" style="background-color:#90EE90;" title="Used in transformation">1</span></td> | |
| <td><span class="highlighted-cell" style="background-color:#90EE90;" title="Used in transformation">0</span></td> | |
| <td><span class="highlighted-cell" style="background-color:#90EE90;" title="Used in transformation">1</span></td> | |
| <td><span class="highlighted-cell" style="background-color:#90EE90;" title="Used in transformation">4</span></td> | |
| </tr> | |
| </table> | |
| </div> | |
| </div> | |
| <hr/> | |
| </div> | |
| </div> | |
| <hr/> | |
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