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Update step4.md #3

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9ac3cbb
Update step4.md
anikait1 Sep 19, 2021
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Update step4.md
anikait1 Sep 19, 2021
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5 changes: 3 additions & 2 deletions course-content/step4.md
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Original file line number Diff line number Diff line change
Expand Up @@ -126,6 +126,7 @@ SELECT
ROUND(SUM(quantity)::NUMERIC, 2) AS total_quantity,
ROUND(AVG(quantity)::NUMERIC, 2) AS average_quantity
FROM trading.transactions
WHERE ticker = 'BTC'
GROUP BY txn_year, txn_type
ORDER BY txn_year, txn_type;
```
Expand Down Expand Up @@ -161,7 +162,7 @@ SELECT
SUM(CASE WHEN txn_type = 'BUY' THEN quantity ELSE 0 END) AS buy_quantity,
SUM(CASE WHEN txn_type = 'SELL' THEN quantity ELSE 0 END) AS sell_quantity
FROM trading.transactions
WHERE txn_date BETWEEN '2020-01-01' AND '2020-12-31'
WHERE txn_date BETWEEN '2020-01-01' AND '2020-12-31' AND ticker = 'ETH'
GROUP BY calendar_month
ORDER BY calendar_month;
```
Expand Down Expand Up @@ -502,4 +503,4 @@ ORDER BY sold_eth_quantity DESC;
| c9f0f8 | 2020-11-01 | 15.931855129247867 |

[![forthebadge](./../images/badges/go-to-previous-tutorial.svg)](https://github.com/datawithdanny/sql-masterclass/tree/main/course-content/step3.md)
[![forthebadge](./../images/badges/go-to-next-tutorial.svg)](https://github.com/datawithdanny/sql-masterclass/tree/main/course-content/step5.md)
[![forthebadge](./../images/badges/go-to-next-tutorial.svg)](https://github.com/datawithdanny/sql-masterclass/tree/main/course-content/step5.md)