Introduction to Database System Which of the following is NOT a basic element of all versions of the E-R model? Primary keys Attributes Relationships Entities Primary keys Attributes Relationships Entities ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System When using a database management system, the first thing that you must do is to create a database file keep a floppy disk in readiness load the software into your micro¬computer activate file editor create a database file keep a floppy disk in readiness load the software into your micro¬computer activate file editor ANSWER DOWNLOAD EXAMIANS APP
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 database has a built-in capability to create, process and administer itself. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A key is a group of one or more attributes that uniquely identifies a row. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to make permanent changes made by statements issue since the beginning of a transaction? SAVE PACK COMMIT ZIP SAVE PACK COMMIT ZIP ANSWER DOWNLOAD EXAMIANS APP
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