Question: 1. Explain why it might be more appropriate to declare an attribute that contains only digits as a character data type instead of a numeric

1. Explain why it might be more appropriate to declare an attribute that contains only digits as a character data type instead of a numeric data type.

2. What are referential constraint actions?

2. What is the difference between using a subquery with a CREATE TABLE command and using a subquery with an INSERT command?

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