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8/10/2019 Assign7 Ans

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Assignment #7Roles and Privileges

Create two roles: REGISTRAR and INSTRUCTOR. Then create the following views and assign select rights oneach set of views to the roles they are listed nder:

!. REGISTRAR

CURRENT"REGS: All stdents that have registered in the crrent day

SEATS"A#AI$: The re%aining &seats' availa(le in all sections )&seats' * ca+acity , enroll%ent-

EE/"REGS: All stdents that have registered in the last seven days

0. INSTRUCTOR

ROSTER: all stdents in classes taght. Ass%e that instrctors have Oracle acconts that they

rn the view fro% and that their login ids %atch their last na%es.

ASSIGN1ENTS: all sections taght (y the instrctor

2inally3 grant the registrar role to 1itch )%rov"%- instrctor role to 1itch )%rov"%-. This is %y ser idwhich e4ists in the data(ase in the la(s. If yo are wor5ing at ho%e3 yo will have to create these sers to%a5e sre yor scri+ts wor5.

CREATE RO$E registrar6CREATE RO$E instrctor6

CREATE OR RE7$ACE #IE crrent"regs AS SE$ECT last"na%e3 first"na%e 2RO1 stdent 8ERE TO"C8AR)TRUNC)registration"date-3 911;;

8/10/2019 Assign7 Ans

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GRANT registrar TO Bc0!0@GRANT instrctor TO Bc0!0@