Database Design Using Normalization We use the SQL construct COUNT(*) to count the number of rows in a table. True False True False 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 Small Chair, Small Chair Brown, and Small Brown Chair in the same 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. 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 Small Chair, Small Chair Brown, and Small Brown Chair in the same 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. ANSWER DOWNLOAD EXAMIANS APP
Database Design Using Normalization Needing to assess the validity of assumed referential integrity constraints on foreign keys is a(n) ________ of normalization. advantage neither an advantage nor disadvantage disadvantage either an advantage or disadvantage advantage neither an advantage nor disadvantage disadvantage either an advantage or disadvantage ANSWER DOWNLOAD EXAMIANS APP
Database Design Using Normalization When building a database from an existing set of tables, we may safely assume that referential integrity constraints have been enforced on the data we are given. False True False True ANSWER DOWNLOAD EXAMIANS APP
Database Design Using Normalization Read-only databases are ________ updated. seldom always commonly never seldom always commonly never ANSWER DOWNLOAD EXAMIANS APP
Database Design Using Normalization We can eliminate modification anomalies with proper normalization that results in tables in BCNF. True False True False ANSWER DOWNLOAD EXAMIANS APP
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