Input: The issuer table, with respective columns: Issuer Parent ESGRating, separated by Output: • If relations from the input table are cyclic in nature cyclic or noncyclic • issuer with max rating, return None if invalid/not applicable • max rating, return None if invalid/not applicable Test 1 Test Input G A54365|B34454|CCC B34454 C34563|A D45747|B34454 |B E36547| D45747|AAA Test Input B A54365 | B34454|CCC B34454|C34563|A D45747|B34454 |B E36547 | D45747 |AAA G34657 | D45747ICCC H84464 IC34563 | BB 176474 | H84464 |AA | BBB |BB J74576|K46565|C C34563| F34654| K46565| L54334 |176474|AA H84464| |BB Expected Output D noncyclic C34563 ВВ
Input: The issuer table, with respective columns: Issuer Parent ESGRating, separated by Output: • If relations from the input table are cyclic in nature cyclic or noncyclic • issuer with max rating, return None if invalid/not applicable • max rating, return None if invalid/not applicable Test 1 Test Input G A54365|B34454|CCC B34454 C34563|A D45747|B34454 |B E36547| D45747|AAA Test Input B A54365 | B34454|CCC B34454|C34563|A D45747|B34454 |B E36547 | D45747 |AAA G34657 | D45747ICCC H84464 IC34563 | BB 176474 | H84464 |AA | BBB |BB J74576|K46565|C C34563| F34654| K46565| L54334 |176474|AA H84464| |BB Expected Output D noncyclic C34563 ВВ
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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