Introduction to Database System A scheme describes All of these records and files record relationships None of these data elements All of these records and files record relationships None of these data elements ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is true of a network structure? It is a physical representation of the data It will be the dominant data base of the future It is conceptually simple It allows a many-to-many relationship It is a physical representation of the data It will be the dominant data base of the future It is conceptually simple It allows a many-to-many relationship ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The degree of a relationship refers to the number of entity classes in the relationship. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command(s) is(are) used to enable/disable a database trigger? MODIFY USER ALTER TRIGGER CHANGE USER All of the listed here MODIFY USER ALTER TRIGGER CHANGE USER All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A computer file can be best described as a random collection of data items a single data item an orderly collection of data items None of these a general collection of data items a random collection of data items a single data item an orderly collection of data items None of these a general collection of data items ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not a logical data-base structure? tree network relational chain tree network relational chain ANSWER DOWNLOAD EXAMIANS APP
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