Introduction to Database System Entity instances are associated by relationship classes. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is a serious problem of file management systems? program dependence difficult to update All of these lack of data independence data redundancy program dependence difficult to update All of these lack of data independence data redundancy ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to select data in rows and column from one or more tables? CHOOSE None of these SELECT BROWSE LIST CHOOSE None of these SELECT BROWSE LIST ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The degree of a relationship refers to the number of entity classes in the relationship. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An indexing operation sorts file using two keys sorts a file using a single key None of the listed here establishes an index for a file sorts file using two keys sorts a file using a single key None of the listed here establishes an index for a file ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A _____ means that one record in a particular record type is related to only one record of another record type. Many-to-one relationship None of these One-to-many relationship One-to-one relationship Many-to-many relationship Many-to-one relationship None of these One-to-many relationship One-to-one relationship Many-to-many relationship ANSWER DOWNLOAD EXAMIANS APP
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