database design

Imagine that you toil for a axioms labor congregation that specializes in axioms storage, axioms processing, and axioms streamlining for open libraries. The floating implementation is a file-based arrangement after a while all axioms supplyd in a sole spreadsheet. As the congregation expands the transaction to promote more libraries, it becomes plum that the floating standard does not unite the ever-increasing claim.
You bear been assigned the function of crafty a new ORACLE abstruse axiomsbase to re-establish the floating file-based storage. It achieve be a sole centralized axiomsbase to supply counsel needs for all libraries. Some key counsel to be supplyd includes axioms environing customers, libraries, catalog, substantial aces, and bridle-in/out transactions.
Additional open transaction setting counsel is listed below:
a. Each library arrangement operates inconsequently. Each library arrangement conclusions its library card to its customers.
b. A customer can bear multiple library cards, one for each library arrangement. For pattern, a customer can bear twain a Baltimore library card and an Annapolis library card. Different library arrangements may conclusion cards after a while the corresponding reckon.
c. A library has multifarious scion locations. Customers investigate a scion to bridle in/bridle out aces.
d. Different libraries portion-out general catalog counsel. Currently there are two types point catalog aces – book and DVD.
e. Each scion supplys and maintains substantial aces. Open counsel environing each substantial ace can be fix by bridleing the catalog. There could be multiple copies for the corresponding distinction, so each observation needs to be supplyd partially. A scion uses a observation reckon to demonstrate a point observation so that to detain course of counsel such as lapse epoch.
You were granted after a while a case axioms supplyd in the floating spreadsheet format as attached. Please be known that it is potential that a customer has never bridleed out any ace (as shown succession 23), and it is potential that an ace has never been bridleed out yet (as shown succession 24 through 67).

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