How to query database configuration parameters in GBase 8c, such as datestyle.What function or syntax to use?

How to query database configuration parameters in GBase 8c, such as datestyle.What function or syntax to use?

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Other Answer 1:

In GBase 8c, the current_setting function can be used to query the current value of the parameter, which is equivalent to the SQL statement SHOW.

Query datesytle, the syntax is as follows

gbase=# SELECT current_setting('datestyle');

current_setting

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ISO, MDY

(1 row)