Rows or columns

Exercise and reference answers

Questions

1. Answer

   Columns

   Question

   Degree counts

   Choices

   1. Columns
   2. Rows

2. Answer

   Rows

   Question

   Cardinality counts

   Choices

   1. Rows
   2. Columns

3. Answer

   Row

   Question

   A tuple is a

   Choices

   1. Row
   2. Column

4. Answer

   Column

   Question

   An attribute is a

   Choices

   1. Column
   2. Row

5. Answer

   Column

   Question

   A domain constrains a

   Choices

   1. Column
   2. Row

6. Answer

   Row

   Question

   A primary key identifies a

   Choices

   1. Row
   2. Column

Instructions

Pick the right one each time. Too many wrong picks and the tower falls.

Explanation