Designing and implementing a global database is a technical challenge, mainly because of the a. variations in the business needs of an organization b. complications involved in providing complete autonomy to a company’s subsidiaries c. different character sets used for the names of people and places d. need to transfer data across cultural and geographic boundaries

c. different character sets used for the names of people and places

Explanation:

A global database is a common data base that can be access globally. But designing and implementing such data base is a problem because people from different parts of the world will have different names and for creating data base for all the people will be difficult because different character sets used for all these people.

Thus the answer is

c. different character sets used for the names of people and places

the correct answer is the following is a list of inventions made in the medieval islamic world, especially during the "islamic golden age" (8th to 13th centuries),[1][2] as well as the late medieval period, especially in the emirate of granada and the ottoman empire.

science and technology in the islamic world adopted and preserved knowledge and technologies from contemporary and earlier civilizations, including persia, india, china, and greece-roman antiquity, while making a number of improvements and innovations.

b hope this