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Dealing with dates
Working with time
Date and time data types in PostgreSQL
Extracting dates and times
25. DATE_PART() with the wrong data type
Timezone conversion
Format date and time
Current date and time data


All right! You may wonder what happens when you try to extract a field which is not present in the given type. Is it possible to extract a year from a time column? Let's find out.


Run the template query which, for each route, tries to extract the year from the arrival_time column, and see what happens.