Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Suppose a Prolog
a. Write a query to find all the dry ingredients of other ingredients.
b. Write a query to find all perishable ingredients that contain liquid subingredients.
c. Formulate a recursive rule to define foundin.
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- 2- Write a prolog program to take a nested list and return the number of elements in the list. For instance ?- elements ([b, [a, [d, c], e]], X). X = 5 Please also show tracing model for the above examplearrow_forwardIn kotlin, Write a recursive function with an expression body that takes a list of Pairs in which each value may be of any type, and returns a list of the first elements from each pair.arrow_forwardSuppose a Prolog database exists that gives information about states and capital cities. Some cities are big, others small. Some states are eastern, others are western.a. Write a query to find all the small capital cities.b. Write a query to find all the states with small capital cities.c. Write a query to find all the eastern states with big capital cities.d. Formulate a rule to define cosmopolitan cities as big capitals of western states.e. Write a query to find all the cosmopolitan cities.arrow_forward
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