Multiple choice technology databases

Which of the following can be a valid column name?

  1. Column

  2. 1966_Invoices

  3. Catch_#22

  4. #Invoices
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Oracle column names must start with a letter, cannot start with a number or special character (except underscore, $, # after the first character). 1966_Invoices starts with a number, #Invoices starts with #, Column is a reserved word. Catch_#22 is valid.

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