Relational algebra expressions , Computer Engineering

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.

Posted Date: 3/19/2013 1:56:49 AM | Location : United States







Related Discussions:- Relational algebra expressions , Assignment Help, Ask Question on Relational algebra expressions , Get Answer, Expert's Help, Relational algebra expressions Discussions

Write discussion on Relational algebra expressions
Your posts are moderated
Related Questions
What are limitations of assembly language? i. It is changed to machine language using assembler which is time consuming when compared with machine language. ii. It is comple

Q. Sequence of micro -operations to perform a specific function? A digital system executes a sequence of micro-operations on data stored in registers or memory. Specific sequen

Explain the term Internet. Internet: The Internet, an umbrella term covering countless network and services that comprise a super-network, is a global network of compute

Describe the purpose and operation of Register 2 (R2) for the MSP430

Erlang is used to (A) Measure busy period                (B) Give total busy period in minutes (C)  Measure average call rate       (D) Indicate total call period Ans

WML & WML Script 1. How to call a WML Script from a WML Page? 2. Write a brief note on WML Script Operators and Expressions. 3. Write brief notes on WML Script Statements

Logic manufactures have produced 'large scale' logic (LSI) blocks to achieve complex functions; a typical set of logic functions is that of data storage. There are two main types o

CODE SEGMENT ; Set DS register MOV AX, DATA     ;    boiler plate code to set the DS register so that the MOV DS, AX          ;    program can access the data segment.

Q. How are control signals achieve the particular operation? The control signals are applied directly as binary inputs to the logic gates of the logic circuits. All these input

What is the use of isolated I/O configuration.  In isolated I/O configuration the CPU has distinct input and output instructions and each of these instructions is associated wi