1) Tina has made a database table in Access containing fields_name, Class, Roll_No. and Contact_no. She has set primary key for the field ‘Student_name’. Has she done the right thing by setting the primary key for this field? Give reason.

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Jenny needs to record the names of 30 students, write down the subjects they studied, and note their grades in each subject after the midsemester exams and the end-of-semester exams. she divides the midsemester and end-of-semester information into two separate worksheets, sheet 1 and sheet 2. how will she rename the two worksheets?

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