使用 PostgreSQL 14 create table it0729 ( id int not null primary key , sname tex...
CREATE TABLE XX ( X1 NVARCHAR(50) NULL, X2 NVARCHAR(50) NULL, X3 NVARCHAR(50) NU...
CREATE TABLE Tmp ( No int, storName nvarchar(50), CityCode nvarchar(50)); INSER...
SELECT DateTimePerHour,MonitorID,SubTotal / StatusCountSum AS 'AverageValue',Sta...
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