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What is conceptual schema?
The schemas at the view level are known as subschema that describe dissimilar views of the database.
1. Staff (staffID --> availabilityID) 2. Services (servicesID --> itemBasedID --> timedBasedID) 3. TimedBased (timedbasedID--> priceid) 4. Clients (clientId, serviceId-->
Define a relation ? Relation - A relations is a named two-dimensional table of data. Mathematically, a relation can be described as a subset of the cartesian product of a lis
The Maximum no of key fields that can be used in a header is?? 50
notes about update opreation
Question (a) Differentiate between the following terms: (i) Distributed Database v/s Distributed Database management System (ii) Homogeneous Distributed Database v/s Hete
Describe Application programming interface? Application Programming Interface - Commercial SQL implementations take one of the two primary techniques for involving SQL in a p
what is lossless & dependency preserving decomposition ?
Assume you are given a uniprocessor system with one gigabyte of memory and a 300 gigabyte disk. The OS on the machine has a demand paged virtual memory system with a local page rep
i am not clear with the climetic condition of the north indian plain. can u plz explain it for me
Define tuple variable Tuple variable is a type of variable whose domain is the set of all tuples.
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