Introduction to Database System Entities can be associated with one another in which of the following? Identifiers Attributes Relationships Entities Identifiers Attributes Relationships Entities ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is true of a network structure? It allows a many-to-many relationship It is a physical representation of the data It will be the dominant data base of the future It is conceptually simple It allows a many-to-many relationship It is a physical representation of the data It will be the dominant data base of the future It is conceptually simple 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? None of these CHOOSE BROWSE SELECT LIST None of these CHOOSE BROWSE SELECT LIST ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a relation, the rows are sometimes called "records". False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A good query system allows non-programmers to access information stored in a database both (a) and (b) can be accessed only by data processing professionals None of these can accept English language commands allows non-programmers to access information stored in a database both (a) and (b) can be accessed only by data processing professionals None of these can accept English language commands ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not a restriction for a table to be a relation? The columns must be ordered. All of the entries in any column must be of the same kind. The cells of the table must contain a single value. No two rows in a table may be identical. The columns must be ordered. All of the entries in any column must be of the same kind. The cells of the table must contain a single value. No two rows in a table may be identical. ANSWER DOWNLOAD EXAMIANS APP
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