{"id":99293,"date":"2022-10-13T06:09:03","date_gmt":"2022-10-13T06:09:03","guid":{"rendered":"https:\/\/assignmenttutors.net\/blog\/3-44-what-is-a-referential-integrity-constraint-define-the-term-and\/"},"modified":"2022-10-13T06:09:03","modified_gmt":"2022-10-13T06:09:03","slug":"3-44-what-is-a-referential-integrity-constraint-define-the-term-and","status":"publish","type":"post","link":"https:\/\/assignmenttutors.net\/blog\/3-44-what-is-a-referential-integrity-constraint-define-the-term-and\/","title":{"rendered":"3.44 what is a referential integrity constraint? define the term, and"},"content":{"rendered":"<div>\n<p>\u00a0<\/p>\n<p>3.44 What is a referential integrity constraint? Define the term, and give an example of its use. Are null values allowed in foreign key columns with a referential integrity constraint? How does the referential integrity constraint contribute to database integrity?\u00a0<\/p>\n<p>3.45 Explain the role of referential integrity constraints in normalization.\u00a0<\/p>\n<p>3.46 Do relations StudID_SocialSecurityNumber and SocialSecurityNumber_StudName contain a transitive dependency?\u00a0<\/p>\n<p>3.47 In normalization example 3, why is the EXTENDED_PRICE relation \u201csilly\u201d?\u00a0<\/p>\n<p>3.48 In normalization example 4, under what conditions is the functional dependency (StudentID, Activity) S ActivityFee more accurate than Activity S ActivityFee\u00a0<\/p>\n<p>3.49 If a determinant is part of a candidate key, is that good enough for BCNF?\u00a0<\/p>\n<p>\u00a03.50 In normalization example 5, why are the following two tables not correct? DEPARTMENT (Department, DeptBudgetCode, Buyer) SKU_DATA_4 (SKU, SKU_Description, Department)\u00a0<\/p>\n<p>3.51 How does a multivalued dependency differ from a functional dependency?\u00a0<\/p>\n<p>3.52 Consider the relation: PERSON (Name, Sibling, ShoeSize) Assume that the following functional dependencies exist: Name S S Sibling Name S ShoeSize Describe deletion, modification, and insertion anomalies for this relation.\u00a0<\/p>\n<p>3.53 Why is BCNF referred to as the best of the forms?\u00a0<\/p>\n<p>3.54 Consider the relation: PERSON_2 (Name, Sibling, ShoeSize, Hobby) Assume that the following functional dependencies exist: Name S S Sibling Name S ShoeSize Name S S Hobby Describe deletion, modification, and insertion anomalies for this relation.\u00a0<\/p>\n<p>3.55 What must we know in order to find functional dependencies in a table?\u00a0<\/p>\n<p>3.56 What is a multivalued dependency?\u00a0<\/p>\n<p>3.57 How do the conditions for DK\/NF correspond to the conditions for BCNF\u00a0<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u00a0 3.44 What is a referential integrity constraint? Define the term, and give an example of its use. Are null values allowed in foreign key columns with a referential integrity constraint? How does the referential integrity constraint contribute to database integrity?\u00a0 3.45 Explain the role of referential integrity constraints in normalization.\u00a0 3.46 Do relations StudID_SocialSecurityNumber [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-99293","post","type-post","status-publish","format-standard","hentry","category-education"],"_links":{"self":[{"href":"https:\/\/assignmenttutors.net\/blog\/wp-json\/wp\/v2\/posts\/99293","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/assignmenttutors.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/assignmenttutors.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/assignmenttutors.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/assignmenttutors.net\/blog\/wp-json\/wp\/v2\/comments?post=99293"}],"version-history":[{"count":0,"href":"https:\/\/assignmenttutors.net\/blog\/wp-json\/wp\/v2\/posts\/99293\/revisions"}],"wp:attachment":[{"href":"https:\/\/assignmenttutors.net\/blog\/wp-json\/wp\/v2\/media?parent=99293"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/assignmenttutors.net\/blog\/wp-json\/wp\/v2\/categories?post=99293"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/assignmenttutors.net\/blog\/wp-json\/wp\/v2\/tags?post=99293"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}