Introduction to Database System A number of related records that are treated as a unit is called data batch file field data batch file field ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A functional dependency is a relationship between or among attributes. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System To have a file hold a list, it is necessary to All of the listed here identify the name, width and type of the fields of each record. identify the records in the list decide which fields will be used as sort or index keys All of the listed here identify the name, width and type of the fields of each record. identify the records in the list decide which fields will be used as sort or index keys ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System 1:1, 1:N and N:M relationships are also known as HAS-A relationships. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following refers to something that can be identified in the user's work environment, something that the users want to track? Attribute Relationship Identifier Entity Attribute Relationship Identifier Entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to select only one copy of each set of duplicable rows SELECT DIFFERENT SELECT DISTINCT None of these SELECT UNIQUE All of these SELECT DIFFERENT SELECT DISTINCT None of these SELECT UNIQUE All of these ANSWER DOWNLOAD EXAMIANS APP