|
<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> robert garrett and james connolly represent the same country</h3> |
|
<h3>Input Table: list of multiple olympic medalists</h3> |
|
<div class="step"> |
|
<div class="step"> |
|
<div class="step-title">Step 1: Select rows where 'athlete' is 'robert garrett'.</div> |
|
<div class="content" id="step-1"> |
|
<table> |
|
<tr> |
|
<td>medal_count</td> |
|
<td>date</td> |
|
<td>athlete</td> |
|
<td>nation</td> |
|
<td>sport</td> |
|
<td>record_medal_event</td> |
|
</tr> |
|
<tr> |
|
<td>1</td> |
|
<td>1896-04-06</td> |
|
<td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">james connolly</span></td> |
|
<td>united states</td> |
|
<td>athletics</td> |
|
<td>triple jump g</td> |
|
</tr> |
|
<tr> |
|
<td>1</td> |
|
<td>1896-04-06</td> |
|
<td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">alexandre tuffère</span></td> |
|
<td>france</td> |
|
<td>athletics</td> |
|
<td>triple jump s</td> |
|
</tr> |
|
<tr> |
|
<td>1</td> |
|
<td>1896-04-06</td> |
|
<td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">ioannis persakis</span></td> |
|
<td>greece</td> |
|
<td>athletics</td> |
|
<td>triple jump b</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:yellow;" title="Used in transformation">1896-04-06</span></td> |
|
<td><span class="highlighted-cell" style="background-color:#90EE90;" title="Used in transformation">robert garrett</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">athletics</span></td> |
|
<td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">discus g</span></td> |
|
</tr> |
|
<tr> |
|
<td>1</td> |
|
<td>1896-04-06</td> |
|
<td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">panagiotis paraskevopoulos</span></td> |
|
<td>greece</td> |
|
<td>athletics</td> |
|
<td>discus s</td> |
|
</tr> |
|
<tr> |
|
<td>1</td> |
|
<td>1896-04-06</td> |
|
<td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">sotirios versis</span></td> |
|
<td>greece</td> |
|
<td>athletics</td> |
|
<td>discus b</td> |
|
</tr> |
|
<tr> |
|
<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">1896-04-07</span></td> |
|
<td><span class="highlighted-cell" style="background-color:#90EE90;" title="Used in transformation">robert garrett</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">athletics</span></td> |
|
<td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">long jump s</span></td> |
|
</tr> |
|
<tr> |
|
<td>2</td> |
|
<td>1896-04-07</td> |
|
<td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">james connolly</span></td> |
|
<td>united states</td> |
|
<td>athletics</td> |
|
<td>long jump b</td> |
|
</tr> |
|
<tr> |
|
<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">1896-04-07</span></td> |
|
<td><span class="highlighted-cell" style="background-color:#90EE90;" title="Used in transformation">robert garrett</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">athletics</span></td> |
|
<td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">shot put g</span></td> |
|
</tr> |
|
<tr> |
|
<td>3</td> |
|
<td>1896-04-09</td> |
|
<td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">carl schuhmann</span></td> |
|
<td>germany</td> |
|
<td>gymnastics</td> |
|
<td>vault g</td> |
|
</tr> |
|
<tr> |
|
<td>3</td> |
|
<td>1896-04-09</td> |
|
<td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">hermann weingärtner</span></td> |
|
<td>germany</td> |
|
<td>gymnastics</td> |
|
<td>vault b</td> |
|
</tr> |
|
<tr> |
|
<td>4</td> |
|
<td>1896-04-09</td> |
|
<td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">hermann weingärtner</span></td> |
|
<td>germany</td> |
|
<td>gymnastics</td> |
|
<td>pommel horse s</td> |
|
</tr> |
|
<tr> |
|
<td>5</td> |
|
<td>1896-04-09</td> |
|
<td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">hermann weingärtner</span></td> |
|
<td>germany</td> |
|
<td>gymnastics</td> |
|
<td>rings s</td> |
|
</tr> |
|
<tr> |
|
<td>6</td> |
|
<td>1896-04-09</td> |
|
<td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">hermann weingärtner</span></td> |
|
<td>germany</td> |
|
<td>gymnastics</td> |
|
<td>horizontal bar g</td> |
|
</tr> |
|
<tr> |
|
<td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">6</span></td> |
|
<td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">1900-07-16</span></td> |
|
<td><span class="highlighted-cell" style="background-color:#90EE90;" title="Used in transformation">robert garrett</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">athletics</span></td> |
|
<td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">standing triple jump b</span></td> |
|
</tr> |
|
<tr> |
|
<td>6</td> |
|
<td>1904-09-03</td> |
|
<td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">ray ewry</span></td> |
|
<td>united states</td> |
|
<td>athletics</td> |
|
<td>standing triple jump g</td> |
|
</tr> |
|
<tr> |
|
<td>7</td> |
|
<td>1908-07-20</td> |
|
<td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">ray ewry</span></td> |
|
<td>united states</td> |
|
<td>athletics</td> |
|
<td>standing long jump g</td> |
|
</tr> |
|
<tr> |
|
<td>8</td> |
|
<td>1908-07-23</td> |
|
<td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">ray ewry</span></td> |
|
<td>united states</td> |
|
<td>athletics</td> |
|
<td>standing high jump g</td> |
|
</tr> |
|
<tr> |
|
<td>8</td> |
|
<td>1920-07-29</td> |
|
<td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">carl osburn</span></td> |
|
<td>united states</td> |
|
<td>shooting</td> |
|
<td>team 300 m / 600 m military rifle , prone g</td> |
|
</tr> |
|
<tr> |
|
<td>9</td> |
|
<td>1920-07-30</td> |
|
<td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">carl osburn</span></td> |
|
<td>united states</td> |
|
<td>shooting</td> |
|
<td>300 m military rifle , standing g</td> |
|
</tr> |
|
<tr> |
|
<td>10</td> |
|
<td>1920-07-31</td> |
|
<td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">carl osburn</span></td> |
|
<td>united states</td> |
|
<td>shooting</td> |
|
<td>team free rifle g</td> |
|
</tr> |
|
<tr> |
|
<td>11</td> |
|
<td>1924-06-27</td> |
|
<td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">carl osburn</span></td> |
|
<td>united states</td> |
|
<td>shooting</td> |
|
<td>600 m free rifle s</td> |
|
</tr> |
|
<tr> |
|
<td>11</td> |
|
<td>1928-08-03</td> |
|
<td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">paavo nurmi</span></td> |
|
<td>finland</td> |
|
<td>athletics</td> |
|
<td>5000 m s</td> |
|
</tr> |
|
<tr> |
|
<td>12</td> |
|
<td>1928-08-04</td> |
|
<td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">paavo nurmi</span></td> |
|
<td>finland</td> |
|
<td>athletics</td> |
|
<td>3000 m steeplechase s</td> |
|
</tr> |
|
<tr> |
|
<td>12</td> |
|
<td>1960-09-02</td> |
|
<td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">edoardo mangiarotti</span></td> |
|
<td>italy</td> |
|
<td>fencing</td> |
|
<td>team foil s</td> |
|
</tr> |
|
<tr> |
|
<td>13</td> |
|
<td>1960-09-09</td> |
|
<td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">edoardo mangiarotti</span></td> |
|
<td>italy</td> |
|
<td>fencing</td> |
|
<td>team épée g</td> |
|
</tr> |
|
<tr> |
|
<td>13</td> |
|
<td>1964-10-21</td> |
|
<td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">larisa latynina</span></td> |
|
<td>soviet union</td> |
|
<td>gymnastics</td> |
|
<td>team g</td> |
|
</tr> |
|
<tr> |
|
<td>14</td> |
|
<td>1964-10-21</td> |
|
<td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">larisa latynina</span></td> |
|
<td>soviet union</td> |
|
<td>gymnastics</td> |
|
<td>all - around s</td> |
|
</tr> |
|
<tr> |
|
<td>15</td> |
|
<td>1964-10-22</td> |
|
<td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">larisa latynina</span></td> |
|
<td>soviet union</td> |
|
<td>gymnastics</td> |
|
<td>vault s</td> |
|
</tr> |
|
<tr> |
|
<td>16</td> |
|
<td>1964-10-22</td> |
|
<td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">larisa latynina</span></td> |
|
<td>soviet union</td> |
|
<td>gymnastics</td> |
|
<td>uneven bars b</td> |
|
</tr> |
|
<tr> |
|
<td>17</td> |
|
<td>1964-10-23</td> |
|
<td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">larisa latynina</span></td> |
|
<td>soviet union</td> |
|
<td>gymnastics</td> |
|
<td>balance beam b</td> |
|
</tr> |
|
<tr> |
|
<td>18</td> |
|
<td>1964-10-23</td> |
|
<td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">larisa latynina</span></td> |
|
<td>soviet union</td> |
|
<td>gymnastics</td> |
|
<td>floor exercise g</td> |
|
</tr> |
|
<tr> |
|
<td>18</td> |
|
<td>2012-07-31</td> |
|
<td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">michael phelps</span></td> |
|
<td>united states</td> |
|
<td>swimming</td> |
|
<td>200 m butterfly s</td> |
|
</tr> |
|
<tr> |
|
<td>19</td> |
|
<td>2012-07-31</td> |
|
<td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">michael phelps</span></td> |
|
<td>united states</td> |
|
<td>swimming</td> |
|
<td>4 x 200 m freestyle g</td> |
|
</tr> |
|
<tr> |
|
<td>20</td> |
|
<td>2012-08-02</td> |
|
<td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">michael phelps</span></td> |
|
<td>united states</td> |
|
<td>swimming</td> |
|
<td>200 m individual medley g</td> |
|
</tr> |
|
<tr> |
|
<td>21</td> |
|
<td>2012-08-03</td> |
|
<td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">michael phelps</span></td> |
|
<td>united states</td> |
|
<td>swimming</td> |
|
<td>100 m butterfly g</td> |
|
</tr> |
|
<tr> |
|
<td>22</td> |
|
<td>2012-08-04</td> |
|
<td><span class="highlighted-cell" style="background-color:yellow;" title="Used in transformation">michael phelps</span></td> |
|
<td>united states</td> |
|
<td>swimming</td> |
|
<td>4 100 m medley relay g</td> |
|
</tr> |
|
</table> |
|
</div> |
|
<hr/> |
|
<div class="step"> |
|
<div class="step-title">Step 2: Select rows where 'athlete' is 'james connolly'.</div> |
|
<div class="content" id="step-0"> |
|
<table> |
|
<tr> |
|
<td>medal_count</td> |
|
<td>date</td> |
|
<td>athlete</td> |
|
<td>nation</td> |
|
<td>sport</td> |
|
<td>record_medal_event</td> |
|
</tr> |
|
<tr> |
|
<td>1</td> |
|
<td>1896-04-06</td> |
|
<td>robert garrett</td> |
|
<td>united states</td> |
|
<td>athletics</td> |
|
<td>discus g</td> |
|
</tr> |
|
<tr> |
|
<td>2</td> |
|
<td>1896-04-07</td> |
|
<td>robert garrett</td> |
|
<td>united states</td> |
|
<td>athletics</td> |
|
<td>long jump s</td> |
|
</tr> |
|
<tr> |
|
<td>3</td> |
|
<td>1896-04-07</td> |
|
<td>robert garrett</td> |
|
<td>united states</td> |
|
<td>athletics</td> |
|
<td>shot put g</td> |
|
</tr> |
|
<tr> |
|
<td>6</td> |
|
<td>1900-07-16</td> |
|
<td>robert garrett</td> |
|
<td>united states</td> |
|
<td>athletics</td> |
|
<td>standing triple jump b</td> |
|
</tr> |
|
</table> |
|
</div> |
|
</div> |
|
<hr/> |
|
<div class="step"> |
|
<div class="step-title">Step 3: Select rows where 'nation' is the same for both athletes.</div> |
|
<div class="content" id="step-1"> |
|
<table> |
|
<tr> |
|
<td>medal_count</td> |
|
<td>date</td> |
|
<td>athlete</td> |
|
<td>nation</td> |
|
<td>sport</td> |
|
<td>record_medal_event</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 equal to 1, otherwise return FALSE.</div> |
|
<div class="content" id="step-2"> |
|
<table> |
|
<tr> |
|
<td>medal_count</td> |
|
<td>date</td> |
|
<td>athlete</td> |
|
<td>nation</td> |
|
<td>sport</td> |
|
<td>record_medal_event</td> |
|
</tr> |
|
</table> |
|
</div> |
|
</div> |
|
<hr/> |
|
|
|
</div> |
|
</div> |
|
<hr/> |
|
</body></html> |
|
|