Figure 5.6:

Figure: 5.7

Consider the relation R DEPARTMENT in the database in Figure 5.6 on page 162. The relational schema for this database is given in Figure 5.7 on page 164. a. Identify the following. Degree of R = i.. r(R) = iii. t2= iv. talA2] ments? For each statement either decide "No problem" or explain the problem and state b. Suppose a fourth department is added to R. Is there a problem with the following state- which constraint is violated i. 4[A1]- ii. talA3] '222334444'> iii. t1Aa] = iv. t4[A4]2(2015/09/21/>