25 lines
		
	
	
		
			703 B
		
	
	
	
		
			MySQL
		
	
	
	
		
		
			
		
	
	
			25 lines
		
	
	
		
			703 B
		
	
	
	
		
			MySQL
		
	
	
	
|  | 
 | |||
|  | 
 | |||
|  | --1<EFBFBD><EFBFBD><EFBFBD>Ĺܵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 | |||
|  | ALTER TABLE Transfer_Piping ALTER COLUMN TotalFactor decimal(10, 2);
 | |||
|  | ALTER TABLE Transfer_Piping ALTER COLUMN CompleteFactor decimal(10, 2);
 | |||
|  | update Transfer_Piping set CompleteProportion='0'where CompleteProportion='' or CompleteProportion is null;
 | |||
|  | go
 | |||
|  | ALTER TABLE Transfer_Piping ALTER COLUMN CompleteProportion decimal(10, 2);
 | |||
|  | go
 | |||
|  | 
 | |||
|  | 
 | |||
|  | 
 | |||
|  | --3<EFBFBD><EFBFBD><EFBFBD>ƽ<EFBFBD>ͳ<EFBFBD>Ʊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ⱥͱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 | |||
|  | IF NOT EXISTS(select * from sys.columns where name='Insulation' and [object_id]=object_id(N'Transfer_SystemControl')) 
 | |||
|  | BEGIN
 | |||
|  | 	--<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 | |||
|  | 	ALTER TABLE Transfer_SystemControl ADD ElectricHeatTracing nvarchar(50) NULL;
 | |||
|  | 	--<EFBFBD><EFBFBD><EFBFBD><EFBFBD>/<EFBFBD><EFBFBD>
 | |||
|  | 	ALTER TABLE Transfer_SystemControl ADD Insulation nvarchar(50) NULL;
 | |||
|  | END
 | |||
|  | go
 | |||
|  | 
 | |||
|  | 
 | |||
|  | 
 |