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1. Staff (staffID --> availabilityID)
2. Services (servicesID --> itemBasedID --> timedBasedID)
3. TimedBased (timedbasedID--> priceid)
4. Clients (clientId, serviceId--> bookingId)
The bookingID is fully functionally dependant on the clientId and serviced because the clientID says which client the booking is for and the serviceID is what service the client has booked that time.
5. Clients (rclient --> clients )
The clients are partially dependant on rclient as it needs some attributes to find the client (using a query) but not all the attributes.
6. Bookings (bookingID --> staffID --> clientID --> venueID --> serviceID --> paymentID);
7. Parlour (parlourID --> staffID);
What is the use of keyword ISA? The use of keyword ISA is to show that a class is a specialization of another class.
What is Secondary Index While making the index, generally the index table is kept in the primary memory (RAM) and the main table, because of its size is keeps in the secondary
Example - ALTER TABLE emp MODIFY (empno NUMBER (7));
Ask questiwhat is row indicator in database on #Minimum 100 words accepted#
Vertical Fragmentation- Vertical fragmentation groups together only those attributes in a relation that are used jointly by various important transactions. A vertical fragment is d
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Your friend owns and operates a wholesale shoe business with annual revenues of $5 million dollars. His wholesale business specializes in supplying and supporting retailers with sh
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