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| <html><head> | |
| <style> | |
| body { font-family: Arial, sans-serif; margin: 20px; } | |
| h1 { text-align: center; } | |
| .cot-title { color: blue; } | |
| .pos-title { color: green; } | |
| h2 { color: black; text-align: left; } | |
| h3 { color: black; text-align: left; } | |
| h4 { color: darkslategray; } | |
| table { width: 100%; border-collapse: collapse; margin: 20px 0; } | |
| table, th, td { border: 1px solid #ddd; padding: 8px; } | |
| th { background-color: #f2f2f2; } | |
| tr:nth-child(even) { background-color: #f9f9f9; } | |
| .highlight { background-color: #ffffcc; } | |
| .true { color: green; } | |
| .false { color: red; } | |
| .highlighted-cell { background-color: yellow; cursor: pointer; } | |
| .step-title { background-color: #f1f1f1; color: #444; padding: 10px; margin: 10px 0; font-size: 18px; border-left: 4px solid #888; } | |
| .step { display: block; } | |
| </style> | |
| </head><body> | |
| <hr> | |
| <h3><span>Statement:</span> the frequency mhz for call sign w269ax and the frequency for call sign w273ae is 101.7 fm and 102.5 fm , respectively</h3> | |
| <h3>Input Table: wyfk</h3> | |
| <div class="step"> | |
| <div class="step"> | |
| <div class="step-title">Step 1: Select rows where 'call_sign' is 'w269ax'.</div> | |
| <div id="step-1" class="content"> | |
| <table> | |
| <tr> | |
| <td>call_sign</td> | |
| <td>frequency_mhz</td> | |
| <td>city_of_license</td> | |
| <td>erp_w</td> | |
| <td>class</td> | |
| <td>fcc_info</td> | |
| </tr> | |
| <tr> | |
| <td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">w230av</span></td> | |
| <td>93.9 fm</td> | |
| <td>gadsden , alabama</td> | |
| <td>10</td> | |
| <td>d</td> | |
| <td>fcc</td> | |
| </tr> | |
| <tr> | |
| <td><span class="highlighted-cell" title="Used in transformation" style="background-color:#90EE90;">w269ax</span></td> | |
| <td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">101.7 fm</span></td> | |
| <td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">anniston , alabama</span></td> | |
| <td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">10</span></td> | |
| <td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">d</span></td> | |
| <td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">fcc</span></td> | |
| </tr> | |
| <tr> | |
| <td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">w273ae</span></td> | |
| <td>102.5 fm</td> | |
| <td>albany , georgia</td> | |
| <td>55</td> | |
| <td>d</td> | |
| <td>fcc</td> | |
| </tr> | |
| <tr> | |
| <td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">w282ae</span></td> | |
| <td>104.3 fm</td> | |
| <td>macon , georgia</td> | |
| <td>27</td> | |
| <td>d</td> | |
| <td>fcc</td> | |
| </tr> | |
| <tr> | |
| <td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">w290ag</span></td> | |
| <td>105.9 fm</td> | |
| <td>griffin , georgia</td> | |
| <td>27</td> | |
| <td>d</td> | |
| <td>fcc</td> | |
| </tr> | |
| </table> | |
| </div> | |
| <hr> | |
| <div class="step"> | |
| <div class="step-title">Step 2: Select rows where 'call_sign' is 'w273ae'.</div> | |
| <div id="step-0" class="content"> | |
| <table> | |
| <tr> | |
| <td>call_sign</td> | |
| <td>frequency_mhz</td> | |
| <td>city_of_license</td> | |
| <td>erp_w</td> | |
| <td>class</td> | |
| <td>fcc_info</td> | |
| </tr> | |
| <tr> | |
| <td>w269ax</td> | |
| <td>101.7 fm</td> | |
| <td>anniston , alabama</td> | |
| <td>10</td> | |
| <td>d</td> | |
| <td>fcc</td> | |
| </tr> | |
| </table> | |
| </div> | |
| </div> | |
| <hr> | |
| <div class="step"> | |
| <div class="step-title">Step 3: Use a `CASE` statement to return TRUE if the number of rows is equal to 1 for both call signs, otherwise return FALSE.</div> | |
| <div id="step-1" class="content"> | |
| <table> | |
| <tr> | |
| <td>call_sign</td> | |
| <td>frequency_mhz</td> | |
| <td>city_of_license</td> | |
| <td>erp_w</td> | |
| <td>class</td> | |
| <td>fcc_info</td> | |
| </tr> | |
| </table> | |
| </div> | |
| </div> | |
| <hr> | |
| <div class="step"> | |
| <div class="step-title">Final output table:</div> | |
| <div id="step-2" class="content"> | |
| <table> | |
| <tr> | |
| <td>verification_result</td> | |
| </tr> | |
| <tr> | |
| <td>FALSE</td> | |
| </tr> | |
| </table> | |
| </div> | |
| </div> | |
| <hr> | |
| <h3>Prediction:</span> FALSE</h3> | |
| </body></html> | |