Introduction to Database System Which command(s) is(are) used to enable/disable/drop an integrity constraint in SQL? ALTER TABLE MODIFY TABLE All of the listed here DEFINE TABLE ALTER TABLE MODIFY TABLE All of the listed here DEFINE TABLE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A ____ Contains the smallest unit of meaningful data, so you might call it the basic building block for a data file. Fields Records File structure Database Fields Records File structure Database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a 1:N relationship, the parent is the entity on the one side of the relationship and the child is the entity on the N side of the relationship. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The logical data structure with a one-to-many relationship is a relational network chain tree relational network chain tree ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Batch processing is appropriate if only a few transactions are involved All of these a large computer system is available only a small computer system is available None of these only a few transactions are involved All of these a large computer system is available only a small computer system is available None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A compound key is a combination of each unique key None of these both (a) and (b) uniquely identifies an item in a list is made up a several pieces of information is a combination of each unique key None of these both (a) and (b) uniquely identifies an item in a list is made up a several pieces of information ANSWER DOWNLOAD EXAMIANS APP
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