url work

Author: martygubar

apex/README.md

@@ -10,8 +10,10 @@ ADB Chat allows you to query data in Autonomous Database using natural language.
 
 Simply import the application into your APEX development environment.
 
-* [Download the APEX application](select-ai-chat/f101.sql)
+* [Download the APEX application](../../raw/refs/heads/main/apex/select-ai-chat/f101.sql)
+https://github.com/oracle-devrel/oracle-autonomous-database-samples/raw/refs/heads/main/apex/select-ai-chat/f101.sql
 
+https://github.com/oracle-devrel/oracle-autonomous-database-samples/blob/main/apex/README.md
 Background material:
 * [APEX in Autonomous Database documentation](https://docs.oracle.com/en/cloud/paas/autonomous-database/serverless/adbsb/application-express-autonomous-database.html)
 * [Create an AI profile](../sql/select-ai-create-profile.sql)