Introduction to Database System A relation is in Boyce-Codd Normal Form (BCNF) if every determinant is a composite key. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A command that lets you change one or more fields in a record is None of these Look-up Insert All of these Modify None of these Look-up Insert All of these Modify ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The Management Information system (MIS) structure with one main computer system is called a hierarchical MIS structure centralized MIS structure distributed MIS structure decentralized MIS structure hierarchical MIS structure centralized MIS structure distributed MIS structure decentralized MIS structure ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following indicates the minimum number of entities that must be involved in a relationship? Greater Entity Count (GEC) Maximum cardinality ERD Minimum cardinality Greater Entity Count (GEC) Maximum cardinality ERD Minimum cardinality ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The files stored on a secondary stage device are composed of a hierarchy of data. What does a record in a file contain? Data field Characters Bits None of the listed here Data field Characters Bits None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command(s) is(are) used to enable/disable/drop an integrity constraint in SQL? MODIFY TABLE ALTER TABLE All of the listed here DEFINE TABLE MODIFY TABLE ALTER TABLE All of the listed here DEFINE TABLE ANSWER DOWNLOAD EXAMIANS APP
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