Introduction to Database System An entity class is a collection of entities and is described by the structure of the entities in that class. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System 1:1, 1:N and N:M relationships are also known as HAS-A relationships. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A good query system can accept English language commands allows non-programmers to access information stored in a database None of these both (a) and (b) can be accessed only by data processing professionals can accept English language commands allows non-programmers to access information stored in a database None of these both (a) and (b) can be accessed only by data processing professionals ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation in this form is free of all modification anomalies. Second normal form Third normal form Domain/key normal form First normal form Second normal form Third normal form Domain/key normal form First normal form ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a _____ a parent record type can be linked to one or more "child" record types, but a child record type can have only one parent. Relational database Network database Distributed database Hierarchical database Relational database Network database Distributed database Hierarchical database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A key is a group of one or more attributes that uniquely identifies a row. True False True False ANSWER DOWNLOAD EXAMIANS APP
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