Introduction to Database System The different classes of relations created by the technique for preventing modification anomalies are called: normal forms. functional dependencies. referential integrity constraints. None of these normal forms. functional dependencies. referential integrity constraints. None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command is used to select distinct subject (SUB) from the table (BOOK)? All of these SELECT ALL FROM BOOK None of these SELECT SUB FROM BOOK SELECT DISTINCT SUB FROM BOOK All of these SELECT ALL FROM BOOK None of these SELECT SUB FROM BOOK SELECT DISTINCT SUB FROM BOOK ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following indicates the minimum number of entities that must be involved in a relationship? Greater Entity Count (GEC) Maximum cardinality Minimum cardinality ERD Greater Entity Count (GEC) Maximum cardinality Minimum cardinality ERD ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The purpose of a database is to help people stop using spreadsheets. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation in this form is free of all modification anomalies. Domain/key normal form Second normal form Third normal form First normal form Domain/key normal form Second normal form Third normal form First normal form ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An entity is something that can be identified in the user's work environment; something that the users want to track. False True False True ANSWER DOWNLOAD EXAMIANS APP
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