Pressing the ________ key in a table moves the insertion point to the next cell

A student takes many courses, and many students take a course. Create an E-R diagram to represent entities, connectivity and cardinality. Decompose E-R diagram with composite entity to reduce M:N relationship to two 1:M relationships. Also draw the relational schema for the database.

Please provide the best answer for this.

What are the values in the array after execution of the following code?

int a[4] = {3, 7, 6, 2}; int i = 2; a[i] = i + 1; a[i + 1] = a[ i – 1]; a[1] = 5; a) 5, 3, 3, 6 b) 3, 5, 3, 7 c) 5, 7, 3, 7 d) 5, 7, 2, 1