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| <hr/> | |
| <h3><span>Statement:</span> learco guerra was the race leader for the first race of the 1933 giro d'italia , and did not become race leader again for the rest of the circuit</h3> | |
| <h3>Input Table: 1933 giro d'italia</h3> | |
| <div class="step"> | |
| <div class="step"> | |
| <div class="step-title">Step 1: Select rows where 'race_leader' is 'learco guerra ( ita )' for the first race of the 1933 giro d'italia.</div> | |
| <div class="content" id="step-1"> | |
| <table> | |
| <tr> | |
| <td>date</td> | |
| <td>course</td> | |
| <td>distance</td> | |
| <td>winner</td> | |
| <td>race_leader</td> | |
| </tr> | |
| <tr> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">9999-05-06</span></td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">milan to turin</span></td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">-</span></td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">learco guerra ( ita )</span></td> | |
| <td><span class="highlighted-cell" style="background-color:#90EE90;" title="Used in transformation">learco guerra ( ita )</span></td> | |
| </tr> | |
| <tr> | |
| <td>9999-05-07</td> | |
| <td>turin to genoa</td> | |
| <td>-</td> | |
| <td>alfredo binda ( ita )</td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">alfredo binda ( ita )</span></td> | |
| </tr> | |
| <tr> | |
| <td>9999-05-08</td> | |
| <td>genoa to pisa</td> | |
| <td>-</td> | |
| <td>learco guerra ( ita )</td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">alfredo binda ( ita )</span></td> | |
| </tr> | |
| <tr> | |
| <td>9999-05-09</td> | |
| <td>rest day</td> | |
| <td>rest day</td> | |
| <td>rest day</td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">rest day</span></td> | |
| </tr> | |
| <tr> | |
| <td>9999-05-10</td> | |
| <td>pisa to florence</td> | |
| <td>-</td> | |
| <td>giuseppe olmo ( ita )</td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">alfredo binda ( ita )</span></td> | |
| </tr> | |
| <tr> | |
| <td>9999-05-11</td> | |
| <td>florence to grosseto</td> | |
| <td>-</td> | |
| <td>learco guerra ( ita )</td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">jef demuysere ( bel )</span></td> | |
| </tr> | |
| <tr> | |
| <td>9999-05-12</td> | |
| <td>grosseto to rome</td> | |
| <td>-</td> | |
| <td>mario cipriani ( ita )</td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">jef demuysere ( bel )</span></td> | |
| </tr> | |
| <tr> | |
| <td>9999-05-13</td> | |
| <td>rest day</td> | |
| <td>rest day</td> | |
| <td>rest day</td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">rest day</span></td> | |
| </tr> | |
| <tr> | |
| <td>9999-05-14</td> | |
| <td>rome to naples</td> | |
| <td>-</td> | |
| <td>gerard loncke ( bel )</td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">jef demuysere ( bel )</span></td> | |
| </tr> | |
| <tr> | |
| <td>9999-05-15</td> | |
| <td>naples to foggia</td> | |
| <td>-</td> | |
| <td>alfredo binda ( ita )</td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">alfredo binda ( ita )</span></td> | |
| </tr> | |
| <tr> | |
| <td>9999-05-16</td> | |
| <td>rest day</td> | |
| <td>rest day</td> | |
| <td>rest day</td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">rest day</span></td> | |
| </tr> | |
| <tr> | |
| <td>9999-05-17</td> | |
| <td>foggia to chieti</td> | |
| <td>-</td> | |
| <td>alfredo binda ( ita )</td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">alfredo binda ( ita )</span></td> | |
| </tr> | |
| <tr> | |
| <td>9999-05-18</td> | |
| <td>chieti to ascoli piceno</td> | |
| <td>-</td> | |
| <td>alfredo binda ( ita )</td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">alfredo binda ( ita )</span></td> | |
| </tr> | |
| <tr> | |
| <td>9999-05-19</td> | |
| <td>rest day</td> | |
| <td>rest day</td> | |
| <td>rest day</td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">rest day</span></td> | |
| </tr> | |
| <tr> | |
| <td>9999-05-20</td> | |
| <td>ascoli piceno to riccione</td> | |
| <td>-</td> | |
| <td>fernand cornez ( fra )</td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">alfredo binda ( ita )</span></td> | |
| </tr> | |
| <tr> | |
| <td>9999-05-21</td> | |
| <td>riccione to bologna</td> | |
| <td>-</td> | |
| <td>giuseppe olmo ( ita )</td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">alfredo binda ( ita )</span></td> | |
| </tr> | |
| <tr> | |
| <td>9999-05-22</td> | |
| <td>bologna to ferrara</td> | |
| <td>-</td> | |
| <td>alfredo binda ( ita )</td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">alfredo binda ( ita )</span></td> | |
| </tr> | |
| <tr> | |
| <td>9999-05-23</td> | |
| <td>rest day</td> | |
| <td>rest day</td> | |
| <td>rest day</td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">rest day</span></td> | |
| </tr> | |
| <tr> | |
| <td>9999-05-24</td> | |
| <td>ferrara to udine</td> | |
| <td>-</td> | |
| <td>ettore meini ( ita )</td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">alfredo binda ( ita )</span></td> | |
| </tr> | |
| <tr> | |
| <td>9999-05-25</td> | |
| <td>udine to bassano del grappa</td> | |
| <td>-</td> | |
| <td>ettore meini ( ita )</td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">alfredo binda ( ita )</span></td> | |
| </tr> | |
| <tr> | |
| <td>9999-05-26</td> | |
| <td>bassano del grappa to bolzano</td> | |
| <td>-</td> | |
| <td>gerard loncke ( bel )</td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">alfredo binda ( ita )</span></td> | |
| </tr> | |
| <tr> | |
| <td>9999-05-27</td> | |
| <td>rest day</td> | |
| <td>rest day</td> | |
| <td>rest day</td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">rest day</span></td> | |
| </tr> | |
| <tr> | |
| <td>9999-05-28</td> | |
| <td>bolzano to milan</td> | |
| <td>-</td> | |
| <td>alfredo binda ( ita )</td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">alfredo binda ( ita )</span></td> | |
| </tr> | |
| <tr> | |
| <td>2023-09-20</td> | |
| <td>-</td> | |
| <td>km (mi)</td> | |
| <td>-</td> | |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">km (mi)</span></td> | |
| </tr> | |
| </table> | |
| </div> | |
| <hr/> | |
| <div class="step"> | |
| <div class="step-title">Step 2: Select rows where 'race_leader' is 'learco guerra ( ita )' for the rest of the circuit.</div> | |
| <div class="content" id="step-0"> | |
| <table> | |
| <tr> | |
| <td>date</td> | |
| <td>course</td> | |
| <td>distance</td> | |
| <td>winner</td> | |
| <td>race_leader</td> | |
| </tr> | |
| <tr> | |
| <td>9999-05-06</td> | |
| <td>milan to turin</td> | |
| <td>-</td> | |
| <td>learco guerra ( ita )</td> | |
| <td>learco guerra ( ita )</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 in step 1 is equal to 1 and the number of rows in step 2 is equal to 0, otherwise return FALSE.</div> | |
| <div class="content" id="step-1"> | |
| <table> | |
| <tr> | |
| <td>date</td> | |
| <td>course</td> | |
| <td>distance</td> | |
| <td>winner</td> | |
| <td>race_leader</td> | |
| </tr> | |
| </table> | |
| </div> | |
| </div> | |
| <hr/> | |
| </div> | |
| </div> | |
| <hr/> | |
| </body></html> | |