Discussion
When assessing the table structure of an acquired set of tables with data, counting the number of table rows is (part of) the:
Answer: A
Correct answer: first step.
Counting the rows and examining what columns exist is the first step, because it establishes the scale and the shape of what has arrived before any inference is attempted. Only then can functional dependencies and keys be worked out in the second step and the referential integrity constraints tested in the third.
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