Introduction to Database System An attribute that names or identifies entity instances is a(n): relationship. entity. attribute. identifier. relationship. entity. attribute. identifier. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command is used to select distinct subject (SUB) from the table (BOOK)? None of these SELECT DISTINCT SUB FROM BOOK SELECT ALL FROM BOOK All of these SELECT SUB FROM BOOK None of these SELECT DISTINCT SUB FROM BOOK SELECT ALL FROM BOOK All of these SELECT SUB FROM BOOK ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The distinguishable parts of a record are called fields files data None of these database fields files data None of these database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Data encryption techniques are particularly useful for protecting data in data communication systems improving data integrity reducing storage space requirements None of these All of these protecting data in data communication systems improving data integrity reducing storage space requirements None of these All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, the CREATE TABLESPACE is used to add/rename data files, to change storage None of these to create a place in the database for storage of scheme objects, rollback segments, and naming the data files to comprise the tablespace to create a database trigger All of these to add/rename data files, to change storage None of these to create a place in the database for storage of scheme objects, rollback segments, and naming the data files to comprise the tablespace to create a database trigger All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Properties that describe the characteristics of entities are called: relationships. entities. identifiers. attributes. relationships. entities. identifiers. attributes. ANSWER DOWNLOAD EXAMIANS APP
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