Introduction to Database System In SQL, which command is used to add a column/integrity constraint to a table ADD COLUMN INSERT COLUMN MODIFY TABLE ALTER TABLE ADD COLUMN INSERT COLUMN MODIFY TABLE ALTER TABLE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System With respect to data input, the most accurate description of batch control is comparing to a pre-calculated figure the total of a data item summed across a batch records put into the system None of these controlling the input of each input clerk dividing documents to be entered into batches All of these comparing to a pre-calculated figure the total of a data item summed across a batch records put into the system None of these controlling the input of each input clerk dividing documents to be entered into batches All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity is related to two or more associated entities that each contain specialized attributes that apply to some but not all of the instances of the entity? Instance entity Archetype entity Supertype entity Subtype entity Instance entity Archetype entity Supertype entity Subtype entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An attribute is a(n): key of a table. row of a table. column of a table. two dimensional table. key of a table. row of a table. column of a table. two dimensional table. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The DBMS ranked as being the "easiest to use" in the text is Oracle Corporation's Oracle. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The Management Information system (MIS) structure with one main computer system is called a distributed MIS structure centralized MIS structure hierarchical MIS structure decentralized MIS structure distributed MIS structure centralized MIS structure hierarchical MIS structure decentralized MIS structure ANSWER DOWNLOAD EXAMIANS APP
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