MySQL Data Import

You can quickly import data from your MySQL Database into Exploratory.

1. Create a Connection to use

Create a connection following this instruction.

  • Whether the connection is SSL or not is automatically detected.

2. Open MySQL Import dialog

Click '+' button next to 'Data Frames' and select 'Import Database Data'.

Click MySQL.

3. Import

  1. Put data frame name.

  2. Select connection from left dialog box.

  3. Write a query in the input field.

  4. Click "Preview" button. Then you will see the preview of the data.

  5. Click "Import" button.

4. Using Variables in SQL

First, create a custom R script.

Second, define a variable in the R script and save.

cutoff_date <- "\'2016-01-15\'"

Note that the ‘\’ (backslash) symbols are used to escape the single quotes, which are required to be used for characters in SQL queries.

Finally, you can use @{} to surround a variable name inside the query like below.

select *
from airline_2016_01
where fl_date > @{cutoff_date}

Here's a blog post for more detail.

5. AWS Security Group Setup (Only for Amazon RDS)

If you are using Amazon RDS as your MySQL database, and encounter a database connection error, please go to AWS console and make sure you added your client PC's IP address to your DB Security Group associated with the MySQL database instance.

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