Introduction to Database System A computer file can be best described as a random collection of data items None of these an orderly collection of data items a general collection of data items a single data item a random collection of data items None of these an orderly collection of data items a general collection of data items a single data item ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A key: must always be composed of two or more columns. can only be one column. identifies a row. identifies a column. must always be composed of two or more columns. can only be one column. identifies a row. identifies a column. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A _____ means that one record in a particular record type may be related to more than one record of another record type. One-to-many relationship One-to-one relationship Many-to-one relationship Many-to many relationship One-to-many relationship One-to-one relationship Many-to-one relationship Many-to many relationship ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Large collections of files are called None of these databases fields records file system None of these databases fields records file system ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An ID-dependent entity is an entity whose identifier is a composite identifier where no portion of the composite identifier is an identifier of another entity. True False True False 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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