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Split data dictionary into separate markdown tables by SQL table (fix… #386

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Split data dictionary into separate markdown tables by SQL table (fix… #386

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46 changes: 30 additions & 16 deletions episodes/00-sql-introduction.md
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Expand Up @@ -198,31 +198,45 @@ follow these instructions:
7. Press **OK**, you should subsequently get a message that the table was imported.
8. Back on the Database Structure tab, you should now see the table listed. Right click on the table name and choose **Modify Table**, or click on the **Modify Table** button just under the tabs and above the table list.
9. Click **Save** if asked to save all pending changes.
10. In the center panel of the window that appears, set the data types for each field using the suggestions in the table below (this includes fields from the `plots` and `species` tables also).
10. In the center panel of the window that appears, set the data types for each field using the suggestions in the table below.
11. Finally, click **OK** one more time to confirm the operation. Then click the **Write Changes** button to save the database.

| Field | Data Type | Motivation | Table(s) |
| ----------------------------------------------------- | :------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------- | ---------------- |
| day | INTEGER | Having data as numeric allows for meaningful arithmetic and comparisons | surveys |
| genus | TEXT | Field contains text data | species |
| hindfoot\_length | REAL | Field contains measured numeric data | surveys |
| month | INTEGER | Having data as numeric allows for meaningful arithmetic and comparisons | surveys |
| plot\_id | INTEGER | Field contains numeric data | plots, surveys |
| plot\_type | TEXT | Field contains text data | plots |
| record\_id | INTEGER | Field contains numeric data | surveys |
| sex | TEXT | Field contains text data | surveys |
| species\_id | TEXT | Field contains text data | species, surveys |
| species | TEXT | Field contains text data | species |
| taxa | TEXT | Field contains text data | species |
| weight | REAL | Field contains measured numerical data | surveys |
| year | INTEGER | Allows for meaningful arithmetic and comparisons | surveys |
#### surveys

| Field | Data Type | Motivation | Also in |
| --- | :--- | --- | ---------------- |
| record\_id | INTEGER | Field contains numeric data | |
| month | INTEGER | Allows for meaningful arithmetic and comparisons | |
| day | INTEGER | Allows for meaningful arithmetic and comparisons | |
| year | INTEGER | Allows for meaningful arithmetic and comparisons | |
| plot\_id | INTEGER | Field contains numeric data | plots |
| species\_id | TEXT | Field contains text data | species |
| sex | TEXT | Field contains text data | |
| hindfoot\_length | REAL | Field contains measured numeric data | |
| weight | REAL | Field contains measured numerical data | |

::::::::::::::::::::::::::::::::::::::: challenge

### Challenge

- Import the `plots` and `species` tables

#### plots

| Field | Data Type | Motivation | Also in |
| --- | :--- | --- | ---------------- |
| plot\_id | INTEGER | Field contains numeric data | surveys |
| plot\_type | TEXT | Field contains text data | |

#### species

| Field | Data Type | Motivation | Also in |
| --- | :--- | --- | ---------------- |
| species\_id | TEXT | Field contains text data | surveys |
| genus | TEXT | Field contains text data | |
| species | TEXT | Field contains text data | |
| taxa | TEXT | Field contains text data | |


::::::::::::::::::::::::::::::::::::::::::::::::::

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