1. The explanation below is an example of which constraint type?
A column must contain only values consistent with the defined data format of the column Mark for Review
(1) Points
Entity integrity
Referential integrity
User-defined integrity
Column integrity (*)
Correct Correct
2. Column integrity refers to Mark for Review
(1) Points
Columns always having values
Columns always...
Senin, 17 April 2017
Minggu, 16 April 2017
DATABASE DESIGN ENGLISH SECTION 8
Section 8 Quiz
(Answer all questions in this section)
1. Which of the following scenarios should be modeled so that historical data is kept? (Choose two) Mark for Review
(1) Points
...