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Merge pull request datawithdanny#20 from DataWithDanny/bugfix/solution-typos
Updating outputs for recent changes
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‎course-content/step3.md‎

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@@ -211,20 +211,22 @@ ORDER BY month_start;
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| month_start | average_eth_price |
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| ---------------------- | ----------------- |
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| 2020-01-01 00:00:00+00 | 4267.73 |
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| 2020-02-01 00:00:00+00 | 4937.66 |
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| 2020-03-01 00:00:00+00 | 3511.64 |
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| 2020-04-01 00:00:00+00 | 3691.16 |
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| 2020-05-01 00:00:00+00 | 4730.50 |
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| 2020-06-01 00:00:00+00 | 4858.88 |
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| 2020-07-01 00:00:00+00 | 4925.83 |
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| 2020-08-01 00:00:00+00 | 6020.07 |
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| 2020-09-01 00:00:00+00 | 5505.55 |
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| 2020-10-01 00:00:00+00 | 6132.07 |
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| 2020-11-01 00:00:00+00 | 8573.75 |
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| 2020-12-01 00:00:00+00 | 11302.20 |
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| 2020-01-01 00:00:00+00 | 156.65 |
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| 2020-02-01 00:00:00+00 | 238.76 |
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| 2020-03-01 00:00:00+00 | 160.18 |
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| 2020-04-01 00:00:00+00 | 171.29 |
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| 2020-05-01 00:00:00+00 | 207.45 |
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| 2020-06-01 00:00:00+00 | 235.92 |
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| 2020-07-01 00:00:00+00 | 259.57 |
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| 2020-08-01 00:00:00+00 | 401.73 |
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| 2020-09-01 00:00:00+00 | 367.77 |
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| 2020-10-01 00:00:00+00 | 375.79 |
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| 2020-11-01 00:00:00+00 | 486.73 |
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| 2020-12-01 00:00:00+00 | 622.35 |
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<br>
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### Question 7
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> Are there any duplicate `market_date` values for any `ticker` value in our table?

‎course-content/step4.md‎

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@@ -136,16 +136,16 @@ ORDER BY txn_year, txn_type;
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| txn_year | txn_type | transaction_count | total_quantity | average_quantity |
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| -------- | -------- | ----------------- | -------------- | ---------------- |
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| 2017 | BUY | 4064 | 21751.61 | 5.35 |
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| 2017 | SELL | 854 | 4321.30 | 5.06 |
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| 2018 | BUY | 3993 | 19922.07 | 4.99 |
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| 2018 | SELL | 863 | 4320.24 | 5.01 |
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| 2019 | BUY | 4041 | 20226.60 | 5.01 |
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| 2019 | SELL | 867 | 4364.99 | 5.03 |
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| 2020 | BUY | 4183 | 21033.04 | 5.03 |
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| 2020 | SELL | 864 | 4328.17 | 5.01 |
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| 2021 | BUY | 2600 | 12916.04 | 4.97 |
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| 2021 | SELL | 589 | 2864.94 | 4.86 |
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| 2017 | BUY | 2261 | 12069.58 | 5.34 |
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| 2017 | SELL | 419 | 2160.22 | 5.16 |
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| 2018 | BUY | 2204 | 11156.06 | 5.06 |
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| 2018 | SELL | 433 | 2145.05 | 4.95 |
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| 2019 | BUY | 2192 | 11114.43 | 5.07 |
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| 2019 | SELL | 443 | 2316.24 | 5.23 |
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| 2020 | BUY | 2350 | 11748.76 | 5.00 |
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| 2020 | SELL | 456 | 2301.98 | 5.05 |
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| 2021 | BUY | 1433 | 7161.32 | 5.00 |
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| 2021 | SELL | 293 | 1478.00 | 5.04 |
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<br>
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### Question 5
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</details>
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<br>
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| calendar_month | buy_quantity | sell_quantity |
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| -------------- | ---------------------- | --------------------- |
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| 2020-01-01 | 1882.7000203746428756 | 349.3725812083231374 |
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| 2020-02-01 | 1531.0106358610396384 | 343.508128084135167 |
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| 2020-03-01 | 1693.5669211461637014 | 366.959518007770558 |
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| 2020-04-01 | 1725.6283079850810635 | 422.64234679504139508 |
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| 2020-05-01 | 1761.6881436085408473 | 350.467297223666174 |
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| 2020-06-01 | 1682.2821732162153014 | 387.638801697624787 |
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| 2020-07-01 | 1887.2312255768009478 | 271.0746272089570493 |
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| 2020-08-01 | 1817.6817037570679820 | 413.445389944001820 |
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| 2020-09-01 | 1800.5229161796472593 | 313.5526304372053382 |
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| 2020-10-01 | 1849.56943373260492995 | 371.8053457181736909 |
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| 2020-11-01 | 1698.4066050651242784 | 347.540073846350298 |
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| 2020-12-01 | 1702.7471083560609640 | 390.1583195136288607 |
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| calendar_month | buy_quantity | sell_quantity |
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| -------------- | ----------------- | ------------------ |
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| 2020-01-01 | 801.0541163041565 | 158.1272716986775 |
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| 2020-02-01 | 687.8912804600265 | 160.06533517839912 |
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| 2020-03-01 | 804.2368342042604 | 182.1895644691428 |
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| 2020-04-01 | 761.87446914631 | 203.16695745059786 |
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| 2020-05-01 | 787.4238801914097 | 149.08328330131854 |
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| 2020-06-01 | 787.4659503521506 | 208.3362898912813 |
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| 2020-07-01 | 890.7807530272569 | 117.01628097387932 |
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| 2020-08-01 | 800.6004484214079 | 178.5423079909115 |
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| 2020-09-01 | 767.654783160818 | 118.86826373014458 |
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| 2020-10-01 | 744.7913667867248 | 174.269279883162 |
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| 2020-11-01 | 698.0915637008526 | 163.74629299419385 |
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| 2020-12-01 | 752.4121935735661 | 212.77643601396653 |
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<br>
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### Question 6

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