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. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An identifier typically uses more than one attribute. False True False True 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. Database Data structure None of these Flat file Table Database Data structure None of these Flat file Table ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A computer file can be best described as None of these a random collection of data items an orderly collection of data items a single data item a general collection of data items None of these a random collection of data items an orderly collection of data items a single data item a general collection of data items ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relational database management (RDBM) package manages data in more than one file at once. How does it organize these file? As relations None of these tuple both (a) and (b) tables relations None of these tuple both (a) and (b) tables ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Periodically adding, changing and deleting file records is called file restructuring Updating renewing upgrading restructuring Updating renewing upgrading ANSWER DOWNLOAD EXAMIANS APP
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