Database Design Using Normalization The phrase "SALE.CNumber must exist in CUSTOMER.CNumber" is a referential integrity constraint. True False True False ANSWER DOWNLOAD EXAMIANS APP
Database Design Using Normalization Eliminating modification anomalies is a(n) ________ of normalization. disadvantage either an advantage or disadvantage neither an advantage nor disadvantage advantage disadvantage either an advantage or disadvantage neither an advantage nor disadvantage advantage 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? Three rows have the values Brown, NULL, and Blue 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 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. 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 Small Chair, Small Chair Brown, and Small Brown Chair in the same column. 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 either an advantage or disadvantage disadvantage advantage neither an advantage nor disadvantage either an advantage or disadvantage disadvantage ANSWER DOWNLOAD EXAMIANS APP
Database Design Using Normalization Most of the time, modification anomalies cause problems that are severe enough that a table should be normalized into BCNF. False True False True 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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