Introduction to Database System A functional dependency is a relationship between or among: rows. attributes. tables. relations. rows. attributes. tables. relations. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Table is synonymous with the term: record. field. column. relation. record. field. column. relation. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not a restriction for a table to be a relation? The columns must be ordered. The cells of the table must contain a single value. No two rows in a table may be identical. All of the entries in any column must be of the same kind. The columns must be ordered. The cells of the table must contain a single value. No two rows in a table may be identical. All of the entries in any column must be of the same kind. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System For some relations, changing the data can have undesirable consequences called: modification anomalies. transitive dependencies. referential integrity constraints. normal forms. modification anomalies. transitive dependencies. referential integrity constraints. normal forms. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A key: can only be one column. must always be composed of two or more columns. identifies a column. identifies a row. can only be one column. must always be composed of two or more columns. identifies a column. identifies a row. ANSWER DOWNLOAD EXAMIANS APP
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