Introduction to Database System Given the functional dependency R → (S,T) , then it is also true that R → S. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A file produced by a spreadsheet can be used for graphic can be used as it by the DBMS all of the listed here is generally stored on disk in an ASCII text format can be used for graphic can be used as it by the DBMS all of the listed here is generally stored on disk in an ASCII text format ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not true of the traditional approach to information processing? Programs are dependent on the files All of these It is file-oriented There is common sharing of data among the various applications It is inflexible Programs are dependent on the files All of these It is file-oriented There is common sharing of data among the various applications It is inflexible ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Entities can be associated with one another in which of the following? Attributes Relationships Entities Identifiers Attributes Relationships Entities Identifiers 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 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
EXAMIANS