Matthew Walk questions

• Why does manually running SQL block work but using EXECUTE IMMEDIATE on the same string doesn't?
• Is Oracle MERGE NOT MATCHED THEN UPDATE possible?
• What is the unique identifier in BigQuery GA4 events data?
• Is it possible to add a combobox as column in a listbox in VBA?
• Where does the AppDelegate file fit into MVC?
• Is there any reason to modify the main.m file in your iOS applications?

Matthew Walk answers