| <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> linda fratianne finished in first place , but anett pötzsch did not manage to get in the top 3</h3> |
| <h3>Input Table: 1979 world figure skating championships</h3> |
| <div class="step"> |
| <div class="step"> |
| <div class="step-title">Step 1: Select rows where 'name' is 'linda fratianne'.</div> |
| <div class="content" id="step-1"> |
| <table> |
| <tr> |
| <td>rank</td> |
| <td>name</td> |
| <td>nation</td> |
| <td>sp___fs</td> |
| <td>points</td> |
| <td>places</td> |
| </tr> |
| <tr> |
| <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">linda fratianne</span></td> |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">united states</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">186.92</span></td> |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">11</span></td> |
| </tr> |
| <tr> |
| <td>2</td> |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">anett pötzsch</span></td> |
| <td>east germany</td> |
| <td>3</td> |
| <td>184.36</td> |
| <td>18</td> |
| </tr> |
| <tr> |
| <td>3</td> |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">emi watanabe</span></td> |
| <td>japan</td> |
| <td>4</td> |
| <td>180.52</td> |
| <td>31</td> |
| </tr> |
| <tr> |
| <td>4</td> |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">dagmar lurz</span></td> |
| <td>west germany</td> |
| <td>6</td> |
| <td>179.96</td> |
| <td>33</td> |
| </tr> |
| <tr> |
| <td>5</td> |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">denise biellmann</span></td> |
| <td>switzerland</td> |
| <td>2</td> |
| <td>177.28</td> |
| <td>49</td> |
| </tr> |
| <tr> |
| <td>6</td> |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">lisa - marie allen</span></td> |
| <td>united states</td> |
| <td>5</td> |
| <td>176.68</td> |
| <td>54</td> |
| </tr> |
| <tr> |
| <td>7</td> |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">claudia kristofics - binder</span></td> |
| <td>austria</td> |
| <td>7</td> |
| <td>175.44</td> |
| <td>63</td> |
| </tr> |
| <tr> |
| <td>8</td> |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">susanna driano</span></td> |
| <td>italy</td> |
| <td>9</td> |
| <td>173.46</td> |
| <td>70</td> |
| </tr> |
| <tr> |
| <td>9</td> |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">carola weißenberg</span></td> |
| <td>east germany</td> |
| <td>11</td> |
| <td>170.54</td> |
| <td>88</td> |
| </tr> |
| <tr> |
| <td>10</td> |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">kristiina wegelius</span></td> |
| <td>finland</td> |
| <td>15</td> |
| <td>169.26</td> |
| <td>98</td> |
| </tr> |
| <tr> |
| <td>11</td> |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">carrie rugh</span></td> |
| <td>united states</td> |
| <td>10</td> |
| <td>169.34</td> |
| <td>97</td> |
| </tr> |
| <tr> |
| <td>12</td> |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">sanda dubravčić</span></td> |
| <td>yugoslavia</td> |
| <td>8</td> |
| <td>166.96</td> |
| <td>115</td> |
| </tr> |
| <tr> |
| <td>13</td> |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">natalia strelkova</span></td> |
| <td>soviet union</td> |
| <td>16</td> |
| <td>164.94</td> |
| <td>134</td> |
| </tr> |
| <tr> |
| <td>14</td> |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">deborah cottrill</span></td> |
| <td>united kingdom</td> |
| <td>20</td> |
| <td>164.8</td> |
| <td>136</td> |
| </tr> |
| <tr> |
| <td>15</td> |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">karin riediger</span></td> |
| <td>west germany</td> |
| <td>17</td> |
| <td>164.5</td> |
| <td>142</td> |
| </tr> |
| <tr> |
| <td>16</td> |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">renata baierova</span></td> |
| <td>czechoslovakia</td> |
| <td>13</td> |
| <td>164.0</td> |
| <td>144</td> |
| </tr> |
| <tr> |
| <td>17</td> |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">petra ernert</span></td> |
| <td>west germany</td> |
| <td>14</td> |
| <td>163.24</td> |
| <td>149</td> |
| </tr> |
| <tr> |
| <td>18</td> |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">kira ivanova</span></td> |
| <td>soviet union</td> |
| <td>12</td> |
| <td>164.02</td> |
| <td>147</td> |
| </tr> |
| <tr> |
| <td>19</td> |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">janet morrissey</span></td> |
| <td>canada</td> |
| <td>18</td> |
| <td>162.04</td> |
| <td>162</td> |
| </tr> |
| <tr> |
| <td>20</td> |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">reiko kobayashi</span></td> |
| <td>japan</td> |
| <td>21</td> |
| <td>161.3</td> |
| <td>170</td> |
| </tr> |
| <tr> |
| <td>21</td> |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">jeanne chapman</span></td> |
| <td>norway</td> |
| <td>19</td> |
| <td>161.8</td> |
| <td>166</td> |
| </tr> |
| <tr> |
| <td>22</td> |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">anita siegfried</span></td> |
| <td>switzerland</td> |
| <td>26</td> |
| <td>150.34</td> |
| <td>207</td> |
| </tr> |
| <tr> |
| <td>23</td> |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">astrid jansen in de wal</span></td> |
| <td>netherlands</td> |
| <td>25</td> |
| <td>149.18</td> |
| <td>216</td> |
| </tr> |
| <tr> |
| <td>24</td> |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">franca bianconi</span></td> |
| <td>italy</td> |
| <td>22</td> |
| <td>149.04</td> |
| <td>218</td> |
| </tr> |
| <tr> |
| <td>25</td> |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">bodil olsson</span></td> |
| <td>sweden</td> |
| <td>23</td> |
| <td>147.02</td> |
| <td>225</td> |
| </tr> |
| <tr> |
| <td>26</td> |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">corine wyrsch</span></td> |
| <td>switzerland</td> |
| <td>27</td> |
| <td>146.76</td> |
| <td>233</td> |
| </tr> |
| <tr> |
| <td>27</td> |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">kim myo sil</span></td> |
| <td>north korea</td> |
| <td>24</td> |
| <td>145.48</td> |
| <td>237</td> |
| </tr> |
| <tr> |
| <td>28</td> |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">belinda coulthard</span></td> |
| <td>australia</td> |
| <td>28</td> |
| <td>145.92</td> |
| <td>238</td> |
| </tr> |
| <tr> |
| <td>29</td> |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">katie symmonds</span></td> |
| <td>new zealand</td> |
| <td>29</td> |
| <td>134.58</td> |
| <td>261</td> |
| </tr> |
| <tr> |
| <td>30</td> |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">shin hae sook</span></td> |
| <td>south korea</td> |
| <td>30</td> |
| <td>120.44</td> |
| <td>270</td> |
| </tr> |
| <tr> |
| <td>31</td> |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">gloria mas</span></td> |
| <td>spain</td> |
| <td>31</td> |
| <td>112.28</td> |
| <td>279</td> |
| </tr> |
| </table> |
| </div> |
| <hr/> |
| <div class="step"> |
| <div class="step-title">Step 2: Select rows where 'rank' is 1.</div> |
| <div class="content" id="step-0"> |
| <table> |
| <tr> |
| <td>rank</td> |
| <td>name</td> |
| <td>nation</td> |
| <td>sp___fs</td> |
| <td>points</td> |
| <td>places</td> |
| </tr> |
| <tr> |
| <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">linda fratianne</span></td> |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">united states</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">186.92</span></td> |
| <td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">11</span></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, otherwise return FALSE.</div> |
| <div class="content" id="step-1"> |
| <table> |
| <tr> |
| <td>rank</td> |
| <td>name</td> |
| <td>nation</td> |
| <td>sp___fs</td> |
| <td>points</td> |
| <td>places</td> |
| </tr> |
| <tr> |
| <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">linda fratianne</span></td> |
| <td><span class="highlighted-cell" style="background-color:#90EE90;" title="Used in transformation">united states</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">186.92</span></td> |
| <td><span class="highlighted-cell" style="background-color:#90EE90;" title="Used in transformation">11</span></td> |
| </tr> |
| </table> |
| </div> |
| </div> |
| <hr/> |
|
|
| </div> |
| </div> |
| <hr/> |
| </body></html> |
|
|
