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Write Relational algebra expressions for the given queries.(i) List the employee numbers, employee names and their manager numbers working in several branches who earn more than $ 30000. (ii) List the details of Spares available in several Branches supplied by the vendor Rock-Hard company.
We might model such a scenario using three types of object: one for Customers, one for BankAccounts and another for Transactions. In terms of data required, for Customers assume we
What is graceful degradation? In multiprocessor systems, failure of one processor will not halt the system, but only slow it down by sharing the work of failure system by other
Protocol used to monitor and control network devices operates at? Protocol operates at application layer to monitor and control network devices operates.
Application layer (layer 4) in TCP/IP model corresponds to? In OSI model, application layer (layer 4) in TCP/IP model corresponds to layer 6 and layer 7.
What is a file? A file is a named collection of related information that is recorded on secondary storage. A file having either programs or data. A file has sure "structure" b
What are the Advantages of carrying out simulations - saves cost (instead of doing the real thing) - Safer (scenarios tried out on the simulation first before used in real
MIPS' native assembly code only has two branch instructions, beq and bne, and only one comparison instruction, slt. Using just these three instructions (along with the ori instruct
Control Signals from Control Bus: A number of the control signals are provided to control unit by the control bus. These signals are issued from outside the CPU. Some of these si
Learning Abilities of Perceptrons - Artificial intelligence Computational learning theory is the study of what concepts specific learning schemes (representation and method) ca
Consider that a list of record or a table is stored in the memory and you wish to find some information in that particular list. E.g. the list comprises three fields as displayed b
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