Introduction to Database System If attributes A and B determine attribute C, then it is also true that: (A,B) is a composite determinant. C is a determinant. A → B → (A,B) is a composite determinant. C is a determinant. A → B → ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The functional dependency R → S means that the value of S can be determined when we are given a value of R. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A database management system None of the listed here allows simultaneous access to multiple files Both of the listed here can do more than a record management system None of the listed here allows simultaneous access to multiple files Both of the listed here can do more than a record management system ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System What is the abbreviation used for a software package that permits the users to create, retrieve and maintain records in a database? DBMS None of these EMMS DASD FMS DBMS None of these EMMS DASD FMS ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Prior to 1970, all data was stored in separate files, which were mostly stored on reels of magnetic tape. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Updating a database means modifying or adding record occurrences all of the listed here revising the file structure reorganizing the database modifying or adding record occurrences all of the listed here revising the file structure reorganizing the database ANSWER DOWNLOAD EXAMIANS APP
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