Econt_e_learning_usr_data.sql -

: UPDATE commands to modify user profiles or record completed modules.

: Foreign keys linking users to specific courses, lesson completion statuses, and quiz scores. Functional SQL Operations econt_e_learning_usr_data.sql

: INSERT statements to add new learners to the system. : UPDATE commands to modify user profiles or

: Use constraints like NOT NULL for emails and UNIQUE for usernames to prevent duplicate accounts. lesson completion statuses