Database Design Using Normalization When building a database from an existing set of tables, we still need to consider normalization principles. False True False True ANSWER DOWNLOAD EXAMIANS APP
Database Design Using Normalization Most of the time, modification anomalies are serious enough that tables should be normalized into: 1NF. BCNF. 3NF. 2NF. 1NF. BCNF. 3NF. 2NF. ANSWER DOWNLOAD EXAMIANS APP
Database Design Using Normalization In all cases, normalization into BCNF is desirable. 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? Three rows have the values Brown, NULL, and Blue in the same column. 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 columns have the values 534-2435, 534-7867, and 546-2356 in the same row. Three rows have the values Brown, NULL, and Blue in the same column. 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 columns have the values 534-2435, 534-7867, and 546-2356 in the same row. ANSWER DOWNLOAD EXAMIANS APP
Database Design Using Normalization Multivalued dependencies create harmless anomalies that should be noted, but do not always need to be eliminated. True False True False ANSWER DOWNLOAD EXAMIANS APP
Database Design Using Normalization We use the SQL construct COLUMNS(*) to determine the number and type of columns in a table. False True False True ANSWER DOWNLOAD EXAMIANS APP
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