Introduction to Database System A database management system might consist of application programs and a software package called FORTRAN AUTOFLOW TOTAL BPL FORTRAN AUTOFLOW TOTAL BPL ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is in Boyce-Codd Normal Form (BCNF) if every determinant is a composite key. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If a piece of data is stored in two places in the database, then storage space is wasted changing the data is one spot will cause data inconsistency both (a) and (b) None of these it can be more easily accessed storage space is wasted changing the data is one spot will cause data inconsistency both (a) and (b) None of these it can be more easily accessed ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not a restriction for a table to be a relation? The columns must be ordered. All of the entries in any column must be of the same kind. No two rows in a table may be identical. The cells of the table must contain a single value. The columns must be ordered. All of the entries in any column must be of the same kind. No two rows in a table may be identical. The cells of the table must contain a single value. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A ternary relationship is so called because in contains two entities and one association between them. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A large computer information system maintains many different computer files. Which amongst them is called a perpetual file? Log file Specialized file Update file Master file Log file Specialized file Update file Master file ANSWER DOWNLOAD EXAMIANS APP