Introduction to Database System A computer file can be best described as a random collection of data items a general collection of data items a single data item an orderly collection of data items None of these a random collection of data items a general collection of data items a single data item an orderly collection of data items None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The relational model uses some unfamiliar terminology. A tuple is equivalent to a field data item record data base field data item record data base ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Prior to 1970, all data was stored in separate files, which were mostly stored on reels of magnetic tape. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a relation, the columns are sometimes called "attributes". False True False True 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 columns must be ordered. The cells of the table must contain a single value. All of the entries in any column must be of the same kind. No two rows in a table may be identical. The columns must be ordered. The cells of the table must contain a single value. All of the entries in any column must be of the same kind. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System SQL stands for ________ . Sequential Query Language Structured Query Language Sequential Question Language Structured Question Language Sequential Query Language Structured Query Language Sequential Question Language Structured Question Language ANSWER DOWNLOAD EXAMIANS APP
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