Introduction to Database System Which of the following refers to an entity in which the identifier of one entity includes the identifier of another entity? Weak entity ID-independent entity ID-dependent entity Strong entity Weak entity ID-independent entity ID-dependent entity Strong entity 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
Introduction to Database System What is the abbreviation used for a software package that permits the users to create, retrieve and maintain records in a database? None of these DBMS FMS EMMS DASD None of these DBMS FMS EMMS DASD ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A data dictionary is a special file that contains the widths of all fields in all files None of these the data types of all fields in all files the names of all fields in all files All of these the widths of all fields in all files None of these the data types of all fields in all files the names of all fields in all files All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In an enterprise-class database system, business users interact directly with database applications, which directly access the database data. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In the relational model, relationships between relations or tables are created by using: foreign keys. composite keys. candidate keys. determinants. foreign keys. composite keys. candidate keys. determinants. ANSWER DOWNLOAD EXAMIANS APP
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