PI SQL 语句

insert [piarchive]..[picomp2](tag,time,value) values(\'ppnie_test\',\'t\',100)

INSERT into pipoint..classic (tag, pointtypex,engunits) VALUES (\'ppnie_test\', \'float32\',\'℃\');

select * from [piarchive]..[picomp2] where tag=\'ppnie_test\'

-- Deletes the "TestTag2".
DELETE pipoint..classic WHERE tag = \'ppnie_test\'

select * from pipoint..classic  WHERE tag = \'ppnie_test\'