2.1 In Tables A,B,C identify the primary key(s), secondary key(s) and the foreign key(s). If a table does not have a primary, secondary key or foreign key, write None. 2.2 Do the tables A,B,C exhibit entity integrity? For each table answer yes or no and then explain your answer. 2.3 Do the tables A,B,C exhibit referential integrity? For each table answer yes or no and then explain your answer. Indicate if any of the tables A,B,C have a composite key and why you think so 2.4
2.1 In Tables A,B,C identify the primary key(s), secondary key(s) and the foreign key(s). If a table does not have a primary, secondary key or foreign key, write None. 2.2 Do the tables A,B,C exhibit entity integrity? For each table answer yes or no and then explain your answer. 2.3 Do the tables A,B,C exhibit referential integrity? For each table answer yes or no and then explain your answer. Indicate if any of the tables A,B,C have a composite key and why you think so 2.4
Database Systems: Design, Implementation, & Management
12th Edition
ISBN:9781305627482
Author:Carlos Coronel, Steven Morris
Publisher:Carlos Coronel, Steven Morris
Chapter8: Advanced Sql
Section: Chapter Questions
Problem 69C: Update the DETAILRENTAL table to set the values in DETAIL_RETURNDATE to include a time component....
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