Question 12 KANFull explain this question and text typing work only We should answer our question within 2 hours takes more time then we will reduce Rating Dont ignore this line triple (X, XXX) - append (X, X, XX), append (XX, X, XXX).The rule above checks if X triples into XXX. For example, if X=[1,2,3], this will produce [1, 2, 3,1, 2, 3, 1, 2, 3] in XXX.Rewrite this rule so that for X=[1, 2, 3], XXX is equal to [1, 1, 1, 2, 2, 2, 3, 3, 3].

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Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question 12 KAN

Full explain this question and text typing work only
We should answer our question within 2 hours takes more time then we will reduce Rating Dont ignore this line

triple (X, XXX) - append (X, X, XX), append (XX, X, XXX).
The rule above checks if X triples into XXX. For example, if X=[1,2,3], this will produce [1, 2, 3,
1, 2, 3, 1, 2, 3] in XXX.
Rewrite this rule so that for X=[1, 2, 3], XXX is equal to [1, 1, 1, 2, 2, 2, 3, 3, 3].

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