Introduction to Database System A recursive relationship is a relationship between an entity and ________ . an archetype entity itself a subtype entity an instance entity an archetype entity itself a subtype entity an instance entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A subtype entity is a special case of another entity called a supertype entity. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, the ALTER TABLESPACE command is used to take a tablespace online/offline to add/rename data files All of the listed here to change storage characteristics to take a tablespace online/offline to add/rename data files All of the listed here to change storage characteristics ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System When using a database management system, the first thing that you must do is to activate file editor 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 ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not characteristic of a relational database model? treelike structure tables complex logical relationships records treelike structure tables complex logical relationships records ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is a serious problem of file management systems? data redundancy difficult to update lack of data independence All of these program dependence data redundancy difficult to update lack of data independence All of these program dependence ANSWER DOWNLOAD EXAMIANS APP
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