Introduction to Database System Helping people keep track of things is the purpose of a(n) ________ . instance database relationship table instance database relationship table ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System When performing a look-up operation using a form None of these you enter the search value into the form you look at each form sequentially until you see the one you want All of these you type the key in an entry line, and the correct form is displayed None of these you enter the search value into the form you look at each form sequentially until you see the one you want All of these you type the key in an entry line, and the correct form is displayed ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In the relational model, relationships between relations or tables are created by using: composite keys. foreign keys. candidate keys. determinants. composite keys. foreign keys. candidate keys. determinants. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is in 5NF when multivalued dependencies are isolated in their own relation. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not a logical data-base structure? chain network tree relational chain network tree relational ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not a restriction for a table to be a relation? No two rows in a table may be identical. The cells of the table must contain a single value. All of the entries in any column must be of the same kind. The columns must be ordered. No two rows in a table may be identical. The cells of the table must contain a single value. All of the entries in any column must be of the same kind. The columns must be ordered. ANSWER DOWNLOAD EXAMIANS APP
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