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Oliver Kennedy 2019-02-16 11:10:42 -05:00
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src/teaching/cse-562/2019sp/slide/2019-02-15-Physical.html
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@ -15,7 +15,6 @@ textbook: "Ch. 13.1-13.7, 15.7, 16.7"
<tr><td>'09/05/2015'</td><td>204026</td><td>218365</td><td>'POINT (-73.93660770459083 40.717580740099116)'</td><td>3</td><td>0</td><td>'OnCurb'</td><td>'Alive'</td><td>'Good'</td><td>'Gleditsia triacanthos var. inermis'</td><td>'honeylocust'</td><td>'1or2'</td><td>'None'</td><td>'Damage'</td><td>'Volunteer'</td><td>'None'</td><td>'No'</td><td>'No'</td><td>'No'</td><td>'No'</td><td>'No'</td><td>'No'</td><td>'No'</td><td>'No'</td><td>'No'</td><td>'390 MORGAN AVENUE'</td><td>'11211'</td><td>'Brooklyn'</td><td>301</td><td>3</td><td>'Brooklyn'</td><td>34</td><td>50</td><td>18</td><td>'BK90'</td><td>'East Williamsburg'</td><td>3044900</td><td>'New York'</td><td>40.71758074</td><td>-73.9366077</td><td>1001822.83131</td><td>200716.891267</td></tr>
<tr><td>'09/05/2015'</td><td>204337</td><td>217969</td><td>'POINT (-73.93445615919741 40.713537494833226)'</td><td>10</td><td>0</td><td>'OnCurb'</td><td>'Alive'</td><td>'Good'</td><td>'Gleditsia triacanthos var. inermis'</td><td>'honeylocust'</td><td>'None'</td><td>'None'</td><td>'Damage'</td><td>'Volunteer'</td><td>'Stones'</td><td>'Yes'</td><td>'No'</td><td>'No'</td><td>'No'</td><td>'No'</td><td>'No'</td><td>'No'</td><td>'No'</td><td>'No'</td><td>'1027 GRAND STREET'</td><td>'11211'</td><td>'Brooklyn'</td><td>301</td><td>3</td><td>'Brooklyn'</td><td>34</td><td>53</td><td>18</td><td>'BK90'</td><td>'East Williamsburg'</td><td>3044900</td><td>'New York'</td><td>40.71353749</td><td>-73.93445616</td><td>1002420.35833</td><td>199244.253136</td></tr>
<tr><td>'08/30/2015'</td><td>189565</td><td>223043</td><td>'POINT (-73.97597938483258 40.66677775537875)'</td><td>21</td><td>0</td><td>'OnCurb'</td><td>'Alive'</td><td>'Good'</td><td>'Tilia americana'</td><td>'American linden'</td><td>'None'</td><td>'None'</td><td>'Damage'</td><td>'Volunteer'</td><td>'Stones'</td><td>'Yes'</td><td>'No'</td><td>'No'</td><td>'No'</td><td>'No'</td><td>'No'</td><td>'No'</td><td>'No'</td><td>'No'</td><td>'603 6 STREET'</td><td>'11215'</td><td>'Brooklyn'</td><td>306</td><td>3</td><td>'Brooklyn'</td><td>39</td><td>44</td><td>21</td><td>'BK37'</td><td>'Park Slope-Gowanus'</td><td>3016500</td><td>'New York'</td><td>40.66677776</td><td>-73.97597938</td><td>990913.775046</td><td>182202.425999</td></tr>
<tr class="fragment"><td colspan="42" style="text-align: left; font-weight: bold;">... and 683783 more</td></tr>
</table>
</div>
<p style="font-size: 200%">↓</p>
@ -109,7 +108,15 @@ textbook: "Ch. 13.1-13.7, 15.7, 16.7"
<section>
<p><b>Problem 2.b:</b> How should you store records in a <i>page</i>?</p>
<p class="fragment"><b>Key question: </b> Where in the page is record #43?</p>
</section>
<section>
<p><b>Goal 1:</b> Where is record $X$?</p>
<p class="fragment"><b>Goal 2:</b> Support updates/deletions</p>
</section>
<section>
<h2>Fixed size records</h2>
</section>
<section>