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 Normalization requires programmers to write more complex SQL. True False True False ANSWER DOWNLOAD EXAMIANS APP
Database Design Using Normalization Multivalued dependencies should ________ be eliminated. commonly seldom always never commonly seldom always never ANSWER DOWNLOAD EXAMIANS APP
Database Design Using Normalization Each answer below shows example data from a table. Which answer is an example of the general-purpose remarks column 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 Denormalized tables are in BCNF. False True False True ANSWER DOWNLOAD EXAMIANS APP
Database Design Using Normalization We use the SQL construct COUNT(*) to count the number of rows in a table. False True False True ANSWER DOWNLOAD EXAMIANS APP