Introduction to Database System A logical schema None of these describes how data is actually stored on disk All of these is a standard way of organizing information into accessible parts is the entire database None of these describes how data is actually stored on disk All of these is a standard way of organizing information into accessible parts is the entire database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A network schema restricts the structure to a one-to-many relationship permits many-to-many relation¬ships All of the listed here stores data in tables restricts the structure to a one-to-many relationship permits many-to-many relation¬ships All of the listed here stores data in tables ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Properties that describe the characteristics of entities are called: relationships. entities. attributes. identifiers. relationships. entities. attributes. identifiers. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A list consists of last names, first names, addresses, and pin codes if all people in the list have the same last and the same pin code, a useful key would be the last name a compound key consisting of the first name and the last name None of these the pin code All of these the last name a compound key consisting of the first name and the last name None of these the pin code All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The primary key is selected from the: candidate keys. composite keys. foreign keys. determinants. candidate keys. composite keys. foreign keys. determinants. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The term _____ is sometimes used to refer to a data file in which all the records have the same record format, that is, the same field names, field lengths, and data types. Flat file Data structure Table None of these Database Flat file Data structure Table None of these Database ANSWER DOWNLOAD EXAMIANS APP
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