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<html><head> |
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<style> |
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body { font-family: Arial, sans-serif; margin: 20px; } |
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h1 { text-align: center; } |
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.cot-title { color: blue; } |
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.pos-title { color: green; } |
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h2 { color: black; text-align: left; } |
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h3 { color: black; text-align: left; } |
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h4 { color: darkslategray; } |
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table { width: 100%; border-collapse: collapse; margin: 20px 0; } |
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table, th, td { border: 1px solid #ddd; padding: 8px; } |
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th { background-color: #f2f2f2; } |
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tr:nth-child(even) { background-color: #f9f9f9; } |
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.highlight { background-color: #ffffcc; } |
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.true { color: green; } |
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.false { color: red; } |
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.highlighted-cell { background-color: yellow; cursor: pointer; } |
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.step-title { background-color: #f1f1f1; color: #444; padding: 10px; margin: 10px 0; font-size: 18px; border-left: 4px solid #888; } |
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.step { display: block; } |
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</style> |
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</head><body> |
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<hr> |
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<h3><span>Statement:</span> the maximum number discs is 1</h3> |
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<h3>Input Table: none</h3> |
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<div class="step"> |
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<div class="step"> |
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<div class="step-title">Step 1: Select rows where 'discs' is equal to the maximum value of 'discs' in the table.</div> |
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<div id="step-1" class="content"> |
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<table> |
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<tr> |
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<td>volume</td> |
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<td>discs</td> |
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<td>episodes</td> |
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<td>region_1</td> |
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<td>region_2</td> |
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<td>region_4</td> |
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</tr> |
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<tr> |
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<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">1</span></td> |
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<td><span class="highlighted-cell" title="Used in transformation" style="background-color:#90EE90;">1</span></td> |
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<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">4</span></td> |
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<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">2006-01-31</span></td> |
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<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">2007-02-19</span></td> |
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<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">2007-03-15</span></td> |
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</tr> |
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<tr> |
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<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">2</span></td> |
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<td><span class="highlighted-cell" title="Used in transformation" style="background-color:#90EE90;">1</span></td> |
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<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">4</span></td> |
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<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">2006-03-28</span></td> |
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<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">2007-06-04</span></td> |
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<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">2007-07-05</span></td> |
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</tr> |
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<tr> |
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<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">3</span></td> |
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<td><span class="highlighted-cell" title="Used in transformation" style="background-color:#90EE90;">1</span></td> |
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<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">4</span></td> |
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<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">2006-05-30</span></td> |
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<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">2007-09-03</span></td> |
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<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">2008-03-13</span></td> |
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</tr> |
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<tr> |
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<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">4</span></td> |
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<td><span class="highlighted-cell" title="Used in transformation" style="background-color:#90EE90;">1</span></td> |
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<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">4</span></td> |
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<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">2006-07-18</span></td> |
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<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">2008-02-18</span></td> |
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<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">2008-06-19</span></td> |
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</tr> |
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<tr> |
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<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">5</span></td> |
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<td><span class="highlighted-cell" title="Used in transformation" style="background-color:#90EE90;">1</span></td> |
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<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">4</span></td> |
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<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">2006-09-19</span></td> |
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<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">2008-05-26</span></td> |
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<td><span class="highlighted-cell" title="Used in transformation" style="background-color:yellow;">2009-03-05</span></td> |
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</tr> |
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</table> |
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</div> |
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<hr> |
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<div class="step"> |
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<div class="step-title">Step 2: Use a `CASE` statement to return TRUE if the number of rows is equal to 1, otherwise return FALSE.</div> |
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<div id="step-0" class="content"> |
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<table> |
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<tr> |
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<td>volume</td> |
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<td>discs</td> |
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<td>episodes</td> |
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<td>region_1</td> |
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<td>region_2</td> |
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<td>region_4</td> |
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</tr> |
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<tr> |
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<td><span class="highlighted-cell" title="Used in transformation" style="background-color:#90EE90;">1</span></td> |
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<td><span class="highlighted-cell" title="Used in transformation" style="background-color:#90EE90;">1</span></td> |
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<td><span class="highlighted-cell" title="Used in transformation" style="background-color:#90EE90;">4</span></td> |
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<td><span class="highlighted-cell" title="Used in transformation" style="background-color:#90EE90;">2006-01-31</span></td> |
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<td><span class="highlighted-cell" title="Used in transformation" style="background-color:#90EE90;">2007-02-19</span></td> |
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<td><span class="highlighted-cell" title="Used in transformation" style="background-color:#90EE90;">2007-03-15</span></td> |
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</tr> |
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<tr> |
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<td><span class="highlighted-cell" title="Used in transformation" style="background-color:#90EE90;">2</span></td> |
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<td><span class="highlighted-cell" title="Used in transformation" style="background-color:#90EE90;">1</span></td> |
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<td><span class="highlighted-cell" title="Used in transformation" style="background-color:#90EE90;">4</span></td> |
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<td><span class="highlighted-cell" title="Used in transformation" style="background-color:#90EE90;">2006-03-28</span></td> |
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<td><span class="highlighted-cell" title="Used in transformation" style="background-color:#90EE90;">2007-06-04</span></td> |
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<td><span class="highlighted-cell" title="Used in transformation" style="background-color:#90EE90;">2007-07-05</span></td> |
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</tr> |
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<tr> |
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<td><span class="highlighted-cell" title="Used in transformation" style="background-color:#90EE90;">3</span></td> |
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<td><span class="highlighted-cell" title="Used in transformation" style="background-color:#90EE90;">1</span></td> |
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<td><span class="highlighted-cell" title="Used in transformation" style="background-color:#90EE90;">4</span></td> |
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<td><span class="highlighted-cell" title="Used in transformation" style="background-color:#90EE90;">2006-05-30</span></td> |
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<td><span class="highlighted-cell" title="Used in transformation" style="background-color:#90EE90;">2007-09-03</span></td> |
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<td><span class="highlighted-cell" title="Used in transformation" style="background-color:#90EE90;">2008-03-13</span></td> |
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</tr> |
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<tr> |
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<td><span class="highlighted-cell" title="Used in transformation" style="background-color:#90EE90;">4</span></td> |
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<td><span class="highlighted-cell" title="Used in transformation" style="background-color:#90EE90;">1</span></td> |
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<td><span class="highlighted-cell" title="Used in transformation" style="background-color:#90EE90;">4</span></td> |
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<td><span class="highlighted-cell" title="Used in transformation" style="background-color:#90EE90;">2006-07-18</span></td> |
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<td><span class="highlighted-cell" title="Used in transformation" style="background-color:#90EE90;">2008-02-18</span></td> |
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<td><span class="highlighted-cell" title="Used in transformation" style="background-color:#90EE90;">2008-06-19</span></td> |
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</tr> |
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<tr> |
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<td><span class="highlighted-cell" title="Used in transformation" style="background-color:#90EE90;">5</span></td> |
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<td><span class="highlighted-cell" title="Used in transformation" style="background-color:#90EE90;">1</span></td> |
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<td><span class="highlighted-cell" title="Used in transformation" style="background-color:#90EE90;">4</span></td> |
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<td><span class="highlighted-cell" title="Used in transformation" style="background-color:#90EE90;">2006-09-19</span></td> |
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<td><span class="highlighted-cell" title="Used in transformation" style="background-color:#90EE90;">2008-05-26</span></td> |
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<td><span class="highlighted-cell" title="Used in transformation" style="background-color:#90EE90;">2009-03-05</span></td> |
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</tr> |
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</table> |
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</div> |
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</div> |
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<hr> |
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<div class="step"> |
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<div class="step-title">Final output table:</div> |
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<div id="step-1" class="content"> |
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<table> |
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<tr> |
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<td>verification_result</td> |
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</tr> |
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<tr> |
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<td>FALSE</td> |
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</tr> |
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</table> |
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</div> |
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</div> |
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<hr> |
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<h3>Prediction:</span> FALSE</h3> |
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</body></html> |
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