Introduction to Database System In SQL, which command(s) is(are) used to enable/disable a database trigger? All of the listed here CHANGE USER MODIFY USER ALTER TRIGGER All of the listed here CHANGE USER MODIFY USER ALTER TRIGGER ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Relations are categorized into normal forms according to the referential integrity constraints that they have. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The primary key is selected from the: composite keys. determinants. foreign keys. candidate keys. composite keys. determinants. foreign keys. candidate keys. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System With respect to data input, the most accurate description of batch control is controlling the input of each input clerk All of these dividing documents to be entered into batches None of these comparing to a pre-calculated figure the total of a data item summed across a batch records put into the system controlling the input of each input clerk All of these dividing documents to be entered into batches None of these comparing to a pre-calculated figure the total of a data item summed across a batch records put into the system ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An attribute that names or identifies entity instances is a(n): relationship. attribute. identifier. entity. relationship. attribute. identifier. entity. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation has cells that hold multi-value entries. False True False True ANSWER DOWNLOAD EXAMIANS APP
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