Introduction to Database System If attribute A determines both attributes B and C, then it is also true that: A → (B,C) → C → B → A → (B,C) → C → B → ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The PROJECT command will create new table that has more fields than the original table none of the listed here more rows than the original table both of the listed here more fields than the original table none of the listed here more rows than the original table both of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The relational model uses some unfamiliar terminology. A tuple is equivalent to a data item field record data base data item field record data base ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A data dictionary doesn't provide information about: It allows a many-to-many relationship where data is located It is conceptually simple It will be the dominant data base of the future the size of the disk storage device It allows a many-to-many relationship where data is located It is conceptually simple It will be the dominant data base of the future the size of the disk storage device 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. No two rows in a table may be identical. The cells of the table must contain a single value. The columns must be ordered. All of the entries in any column must be of the same kind. No two rows in a table may be identical. The cells of the table must contain a single value. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Database applications are seldom intended for use by a single user. False True False True ANSWER DOWNLOAD EXAMIANS APP
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