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fix: Update query for the tutorial (#484) #485

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fix: Update query for the tutorial (#484) #485

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8 changes: 4 additions & 4 deletions learning/how-tos/create-your-first-query.mdx
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Original file line number Diff line number Diff line change
Expand Up @@ -33,7 +33,7 @@ GROUP BY

## Crafting Your Query

1. **Identify Your Columns**: Once you've zeroed in on the right table, pinpoint the `tx_fee_usd` column to track USD gas expenditures. To specify the wallet you're examining, use the `tx_sender` field. For demonstration purposes, we'll be using Vitalik's wallet (0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045).
1. **Identify Your Columns**: Once you've zeroed in on the right table, pinpoint the `tx_fee_usd` column to track USD gas expenditures. To specify the wallet you're examining, use the `tx_from` field. For demonstration purposes, we'll be using Vitalik's wallet (0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045).

2. **Aggregation & Time Period**: Our goal is to get monthly gas spendings, so we need to truncate the `block_date` to month and applying the `SUM()` function, then group by each month go derive the results.

Expand All @@ -46,7 +46,7 @@ SELECT
SUM(SUM(tx_fee_usd)) OVER (ORDER BY DATE_TRUNC('month', block_date)) AS cumulative_gas_spent
FROM gas.fees
WHERE
tx_sender = 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045 -- vitalik.eth
tx_from = 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045 -- vitalik.eth
GROUP BY
1
ORDER BY
Expand All @@ -58,7 +58,7 @@ Here is the [link to demo query](https://dune.com/queries/3100875).

## Boost Flexibility with Parameters

In the example, you'll see `tx_sender = \{\{Your Wallet Address}} -- default is vitalik.eth`. This denotes the use of the parameter feature, enhancing the query's flexibility. To mark a field as a parameter, wrap it in "". Alternatively, activate the "Add Parameter" button.
In the example, you'll see `tx_from = \{\{Your Wallet Address}} -- default is vitalik.eth`. This denotes the use of the parameter feature, enhancing the query's flexibility. To mark a field as a parameter, wrap it in "". Alternatively, activate the "Add Parameter" button.

<div
style={{
Expand Down Expand Up @@ -92,7 +92,7 @@ SELECT
SUM(SUM(tx_fee_usd)) OVER (ORDER BY DATE_TRUNC('month', block_date)) AS cumulative_gas_spent
FROM gas.fees
WHERE
tx_sender = {{Your Wallet Address}} -- default is vitalik.eth
tx_from = {{Your Wallet Address}} -- default is vitalik.eth
GROUP BY
DATE_TRUNC('month', block_date)
ORDER BY
Expand Down