5A Bank's database includes BANK, BANK, BRANCH, ACCOUNT, LOAN and CUSTMER entities, and the EER model is shown as th requirements: (15 points) (1)List the strong (nonweak) entity types in the ER diagram.(3 points) (2)List the weak entity and give the partial key and primary key of it. (3 points) (3)What is the meaning of the constraints M and double line of (3 points) (4) How do you handle ACCTS and LOANS relationships when mapping to relational schema?(3 points) (5)How do you handle A_C relationship when they are mapped to relational e following diagram. According to the EER model and actual the relationship L_C in the loan entity side? schemas?(3 points) BANK BRANCHES BRANCH Name Add ACCTS LOANS Blanee AGCOUNT LC Add CUSTOMER dalabase schena 2