Database Design Using Normalization Needing to assess the validity of assumed referential integrity constraints on foreign keys is a(n) ________ of normalization. disadvantage neither an advantage nor disadvantage advantage either an advantage or disadvantage disadvantage neither an advantage nor disadvantage advantage either an advantage or disadvantage ANSWER DOWNLOAD EXAMIANS APP
Database Design Using Normalization Each answer below shows example data from a table. Which answer is an example of the multivalue, multicolumn problem? One row has the value "He is interested in a Silver Porsche from the years 1978-1988" in a column. Three rows have the values Brown, NULL, and Blue in the same column. Three columns have the values 534-2435, 534-7867, and 546-2356 in the same row. Three rows have the values Brown Small Chair, Small Chair Brown, and Small Brown Chair in the same column. One row has the value "He is interested in a Silver Porsche from the years 1978-1988" in a column. Three rows have the values Brown, NULL, and Blue in the same column. Three columns have the values 534-2435, 534-7867, and 546-2356 in the same row. Three rows have the values Brown Small Chair, Small Chair Brown, and Small Brown Chair in the same column. ANSWER DOWNLOAD EXAMIANS APP
Database Design Using Normalization Using the SQL GROUP BY phrase with a SELECT statement can help detect which of the following problems? The inconsistent values problem The general-purpose remarks column problem The missing values problem The multivalue, multicolumn problem The inconsistent values problem The general-purpose remarks column problem The missing values problem The multivalue, multicolumn problem ANSWER DOWNLOAD EXAMIANS APP
Database Design Using Normalization When building a database from an existing set of tables, we still need to consider normalization principles. True False True False ANSWER DOWNLOAD EXAMIANS APP
Database Design Using Normalization One common design problem when designing a database from existing data is the use of a general-purpose remarks column in the received data. False True False True ANSWER DOWNLOAD EXAMIANS APP
Database Design Using Normalization Read-only databases are ________ updated. commonly always never seldom commonly always never seldom ANSWER DOWNLOAD EXAMIANS APP