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You're creating a table named CUSTOMERS. The table includes the CUSTOMER _ NAME column and the CUSTOMER _ CITY column. Both columns have a VARCHAR

You're creating a table named CUSTOMERS. The table includes the CUSTOMER

_

NAME column and the CUSTOMER

_

CITY column. Both columns have a VARCHAR

(60)

data type. Which SQL statement should you use?

Explain why constraints are important in SQL

.

What is an example of a constraint?

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