Study the result of this query: C1 is a date-type column. How could you determine what the date returned actually means? (Choose two answers.) A. Query NLS_DATABASE_PARAMETERS. B. Query...

Study the result of this query:

C1 is a date-type column. How could you determine what the date returned actually means? (Choose two answers.)

A. Query NLS_DATABASE_PARAMETERS.

B. Query NLS_INSTANCE_PARAMETERS.

 C. Query NLS_SESSION_PARAMETERS.

D. Set your NLS_DATE_FORMAT to a known value, and re-run the query.

E. Change the query to use TO_CHAR with an NLS parameter