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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.
What is a crosstab query wizard? A wizard that helps us to show the data in a two-dimensional tabular format is the crosstab query wizard. You can use this to make queries that
Data Transfer Two most fundamental data transfer instructions in 8086 microprocessor are XCHG and MOV. Let's give illustrations of the use of these instructions. Program 1:
Q. Illustrate about fourth generation computers? One of the main milestones in IC technology is Very large scale integration (VLSI) where thousands of transistors can be integr
Explain the Parallel Data Storage - application of flip flops? In digital systems, data are usually stored in groups of bits that represent numbers, codes, or other information
name the switching schemes used in a digital exchange. ho call processing takes place?
What is an Abstract Data Type (ADT)? Abstract data types or ADTs are a mathematical specification of a set of data and the set of operations that can be done on the data. They
Explain how the Web enables effective collaborative computing. Discuss the similarities and differences among WebEx, Microsoft NetMeeting and Novell Groupwise software (in less tha
projections
What are transmission bridges? A usual transmission bridge is demonstrated in figure. The series capacitance and the shunt inductances of the two relays give a high-pass filte
#questi on.. How it works explain
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