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. Records Fields File structure Database Records Fields File structure Database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A functional dependency is always an equation. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System What is the abbreviation used for a software package that permits the users to create, retrieve and maintain records in a database? FMS DBMS DASD EMMS None of these FMS DBMS DASD EMMS None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The master list of an indexed file has a number assigned to each record is sorted in ascending order both (b) and (c) None of these contains only a list of keys and record numbers has a number assigned to each record is sorted in ascending order both (b) and (c) None of these contains only a list of keys and record numbers ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity cannot exist in the database unless another type of entity also exists in the database, but does not require that the identifier of that other entity be included as part of its own identifier? ID-dependent entity Weak entity ID- independent entity Strong entity ID-dependent entity Weak entity ID- independent entity Strong entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is NOT a basic element of all versions of the E-R model? Attributes Entities Primary keys Relationships Attributes Entities Primary keys Relationships ANSWER DOWNLOAD EXAMIANS APP
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