Q2 Multiple choice Flag Select two suitable statements about postgresql.conf configuration. Select all that apply. A A line that starts with ! (exclamation mark) is interpreted as a comment. B You can have different parameters for the same option to configure each database differently. C The timing of when a change in any value is reflected is different depending on the configuration parameter. D All options have no default values. Therefore, all of them must be set specifically and thoroughly. E As a boolean value, any of the following can be used: TRUE, FALSE, ON, OFF, YES, NO, 0.1 Correct answer