Allow parameters in CREATE USER queries

Why it matters

This feature addresses the need for more flexible and dynamic user management by allowing parameters to be used in the CREATE USER statement. It simplifies automation and scripting, reducing the risk of errors and improving security by avoiding direct string concatenation in user creation queries.

How to use it

Use parameters in the CREATE USER statement to specify the username dynamically. For example, in client interfaces or scripts, bind the username as a parameter instead of hardcoding it in the query.