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