Introduction to Database System A functional dependency is a relationship between or among: relations. attributes. tables. rows. relations. attributes. tables. rows. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Table is synonymous with the term: column. field. record. relation. column. field. record. relation. 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. 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. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System For some relations, changing the data can have undesirable consequences called: modification anomalies. transitive dependencies. normal forms. referential integrity constraints. modification anomalies. transitive dependencies. normal forms. referential integrity constraints. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A key: must always be composed of two or more columns. can only be one column. identifies a row. identifies a column. must always be composed of two or more columns. can only be one column. identifies a row. identifies a column. ANSWER DOWNLOAD EXAMIANS APP
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