Documentation.

h2/src/main/org/h2/res/help.csv

@@ -440,6 +440,10 @@ Enabled (1) or disabled (0) the result reuse optimization."
 SET PASSWORD string
 ","
 Changes the password of the current user."
+"Commands (Other)","SET QUERY_STATISTICS","
+SET QUERY_STATISTICS { TRUE | FALSE }
+","
+Disabled or enables query statistics gathering for the whole database."
 "Commands (Other)","SET QUERY_TIMEOUT","
 SET QUERY_TIMEOUT int
 ","

h2/src/tools/org/h2/build/doc/dictionary.txt

@@ -737,3 +737,4 @@ srid roads
 
 overlaps anyhow poly manifested cardinal invalidated boosting rogue
 temporaries encounters editors navigable accumulate underneath
+turned irrespective reflected gathering badly overwriting