Introduction to Database System Prior to 1970, all data was stored in separate files, which were mostly stored on reels of magnetic tape. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A data dictionary is a special file that contains the names of all fields in all files None of these the widths of all fields in all files All of these the data types of all fields in all files the names of all fields in all files None of these the widths of all fields in all files All of these the data types of all fields in all files ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The modify operation is likely to be done after All of these Delete Look-up None of these Insert All of these Delete Look-up None of these Insert 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? SELECT LIST None of these CHOOSE BROWSE SELECT LIST None of these CHOOSE BROWSE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A file produced by a spreadsheet can be used as it by the DBMS all of the listed here can be used for graphic is generally stored on disk in an ASCII text format can be used as it by the DBMS all of the listed here can be used for graphic is generally stored on disk in an ASCII text format ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System When the values in one or more attributes being used as a foreign key must exist in another set of one or more attributes in another table, we have created a(n): transitive dependency. insertion anomaly. normal form. referential integrity constraint. transitive dependency. insertion anomaly. normal form. referential integrity constraint. ANSWER DOWNLOAD EXAMIANS APP
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