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Explain the Natural join
Natural join is a binary operator which is written as (R* S) in which R and S are relations. The effect of the natural join is the set of all combinations of tuples in R and S which are equal on their general attribute names. In this just only one column along attributes comprising similar name is retained.
#explain five disadvantages of a dbms..
What is known as clustering file organization? In the clustering file organization, records of several dissimilar relations are stored in the similar file.
Creating views with Read only option : In the view definition this option is used to make sure that no DML operations can be done on the view.
Describe Parameteric end users? Parametric end users might be given update access, but are commonly not permitted to change the structure of data.
I have to solve a problem using access
Consider employee table of (i) and list names of department(s) for which average salary for department is more than 10,000. (SELECT d_name FROM dept WHERE d_code IN (SELECT d_c
We are looking to find someone to prepare a database which improves upon the one we are using at present. The present database will be found here: Click on filter options and yo
Australian Bureau of Statistics (ABS) provides retail data for different groups and different states as well as the aggregate numbers. Table 11 " Retail Turnover, State by Industry
explain exhausitively the problems associated with er diagrams with ellustrations
Normalize the following tables upto and including the 3NF. Submit a 1 page printout of only the final set of normalized tables in Data Architect. Just use Data Architect to do the
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