added sql colorizers

Author: icoric

docs/t-sql/language-elements/unary-operators-negative.md

@@ -56,10 +56,10 @@ monikerRange: ">=aps-pdw-2016||=azuresqldb-current||=azure-sqldw-latest||>=sql-s
 ### A. Setting a variable to a negative value  
  The following example sets a variable to a negative value.  
 
-```  
+```sql 
 USE tempdb;  
 GO  
-DECLARE @MyNumber decimal(10,2);  
+DECLARE @MyNumber DECIMAL(10,2);  
 SET @MyNumber = -123.45;  
 SELECT @MyNumber AS NegativeValue;  
 GO  
@@ -79,14 +79,13 @@ NegativeValue
 ### B. Changing a variable to a negative value  
  The following example changes a variable to a negative value.  
 
-```  
+```sql  
 USE tempdb;  
 GO  
-DECLARE @Num1 int;  
+DECLARE @Num1 INT;  
 SET @Num1 = 5;  
 SELECT @Num1 AS VariableValue, -@Num1 AS NegativeValue;  
 GO  
-  
 ```  
 
  [!INCLUDE[ssResult](../../includes/ssresult-md.md)]  
@@ -105,7 +104,7 @@ VariableValue NegativeValue
 ### C. Returning the negative of a positive constant  
  The following example returns the negative of a positive constant.  
 
-```  
+```sql  
 USE ssawPDW;  
 
 SELECT TOP (1) - 17 FROM DimEmployee;  
@@ -120,7 +119,7 @@ SELECT TOP (1) - 17 FROM DimEmployee;
 ### D. Returning the positive of a negative constant  
  The following example returns the positive of a negative constant.  
 
-```  
+```sql  
 USE ssawPDW;  
 
 SELECT TOP (1) - ( - 17) FROM DimEmployee;  
@@ -135,7 +134,7 @@ SELECT TOP (1) - ( - 17) FROM DimEmployee;
 ### E. Returning the negative of a column  
  The following example returns the negative of the `BaseRate` value for each employee in the `dimEmployee` table.  
 
-```  
+```sql  
 USE ssawPDW;  
 
 SELECT - BaseRate FROM DimEmployee;