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Using LIKE is pefectly correct here. However, I believe REGEXP_LIKE solution is less wordy. And also, it's useful to learn REGEXP_LIKE for next problems in this section.
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Weather Observation Station 6
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Hey)
REGEXP_LIKE allows to use regular expressions and write quiries with really complex conditions. For example:
This condition means that the first letter is eather A, E, I, O or U.
Check out this lik to documentation: Using Regular Expressions in Database Applications
Using LIKE is pefectly correct here. However, I believe REGEXP_LIKE solution is less wordy. And also, it's useful to learn REGEXP_LIKE for next problems in this section.