Introduction to Database System In a relation, the order of the columns does not matter. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relational database management (RDBM) package manages data in more than one file at once. How does it organize these file? As tables relations both (a) and (b) tuple None of these tables relations both (a) and (b) tuple None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a _____ a parent record type can be linked to one or more "child" record types, but a child record type can have only one parent. Hierarchical database Relational database Distributed database Network database Hierarchical database Relational database Distributed database Network database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A list consists of last names, first names, addresses, and pin codes if all people in the list have the same last and the same pin code, a useful key would be a compound key consisting of the first name and the last name the last name None of these All of these the pin code a compound key consisting of the first name and the last name the last name None of these All of these the pin code ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A file produced by a spreadsheet all of the listed here is generally stored on disk in an ASCII text format can be used as it by the DBMS can be used for graphic all of the listed here is generally stored on disk in an ASCII text format can be used as it by the DBMS can be used for graphic ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not a restriction for a table to be a relation? 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. No two rows in a table may be identical. The cells of the table must contain a single value. ANSWER DOWNLOAD EXAMIANS APP
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