Can I Use SQL Commands to Modify Global Parameters of My RDS Instance?

Sorry, you cannot use SQL commands to modify global parameters, but you can modify specific parameters on the RDS console.

1. Log in to the management console.
2. Click in the upper left corner and select a region.
3. Click in the upper left corner of the page and choose Databases > Relational Database Service.
4. On the Instances page, click the target DB instance.
5. In the navigation pane on the left, choose Parameters.
6. Change the value of the target parameter and click Save.
7. In the displayed dialog box, click OK.