Introduction to Database System A candidate key is a determinant that determines all the other columns is a relation. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is true of a network structure? It will be the dominant data base of the future It allows a many-to-many relationship It is a physical representation of the data It is conceptually simple It will be the dominant data base of the future It allows a many-to-many relationship It is a physical representation of the data It is conceptually simple ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to make permanent changes made by statements issue since the beginning of a transaction? PACK SAVE ZIP COMMIT PACK SAVE ZIP COMMIT ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a relation, the rows are sometimes called "fields". True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is a group of one or more attributes that uniquely identifies a row? Relation Key Determinant Tuple Relation Key Determinant Tuple ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command is used to remove a table from the database in SQL? ERASE TABLE UNATTACH TABLE DROP TABLE DELETE TABLE ERASE TABLE UNATTACH TABLE DROP TABLE DELETE TABLE ANSWER DOWNLOAD EXAMIANS APP
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