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
All nodes in the structure of LDB need not be defined in the ABAP/4 Dictionary False. One has to describe all nodes in the Dictionary or single has to select all nodes that a

What are the steps to design algorithm? Formulate algorithm for each operation. Analysis specification tells what the operation does. The algorithm shows how it is done. The st

Program Level : It is the next level consisting of independent programs for parallelism. Coarse Granularity  size is used at this level containing ten thousands of instructions.

Digital circuits also manipulate logicalexpressione.g. IF account is in credit THEN allow phoneto make calls.So a digital circuit must determine if somethingis TRUE or FALSE. Norma

Q.Joint Application Development session leader? JAD session leader: JAD leader organizes and runs the JAD. This person is trained in group management and facilitation as well

The CCITT standard bandwidth for speech is: (A) 20000 Hz                                  (B) 15000 Hz (C) 7000 Hz                                    (D) 3400 Hz Ans:

How do transmission bridges help in satisfying the connectivity? A usual transmission bridge is demonstrated in figure. The series capacitance and the shunt inductances of

Q. Find simplified function F and implement that function using only NAND gates. 1.  F(A,B,C) = (A+B) (A'+B+C') (A'+B'+C') 2.  F (A,B,C,D) = A'B'C'+B'CD'+A'BCD'+AB'C' 3.

Explain network security. Network security means the security of networks and their services from unauthorized access, changes, destruction or disclosure. It gives for assuranc

What is asynchronous transmission An asynchronous transmission technique used in many interactive terminals employ special bits. With this method each character consists of thr