Crucial Exams

CompTIA ITF+ FC0-U61 Practice Question

Imagine you have a database with a table named 'Contacts'. You've been asked to update a user's phone number. Which of the following is the BEST way to approach this task while ensuring accuracy and minimizing the impact on other data?

  • Perform an update operation without specifying any conditions.

  • Locate the record by the user's unique ID, typically the primary key, and use an update statement to change the phone number.

  • Use the user's first name to find the correct record and update the phone number.

  • Update the phone number field for all records in the 'Contacts' table.

CompTIA ITF+ FC0-U61
Database Fundamentals
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