Question

What is the difference between Data sharing and Internet access sharing ?​

Answer 1

Data sharing is a primary feature of a database management system (DBMS). See data conferencing and groupware.

Internet Connection Sharing (ICS) is a Windows service that enables one Internet-connected computer to share its Internet connection with other computers on a local area network (LAN).
Then,
Internet Connection Sharing (ICS) is a Windows service that enables one Internet-connected computer to share its Internet connection with other computers on a local area network (LAN). ... ICS was a feature of Windows 98 SE and all versions of Windows released for personal computers thereafter.

Answer 2

Internet Connection Sharing (ICS) is a Windows service that enables one Internet-connected computer to share its Internet connection with other computers on a local area network (LAN). ... ICS was a feature of Windows 98 SE and all versions of Windows released for personal computers thereafter.