CREATE TABLE #haro_products (

    product_name VARCHAR(MAX),

    list_price DEC(10,2)

);

 -- create Local temporary table i.e single hash(#)

 CREATE TABLE #TempTable 

 ( Column1 datatype, column2 datatype……) 

 INSERT INTO #TempTable 

 (Column1, column2……) 

 VALUES ('value 1', 'value 2')

 -- 2nd method (Select Into)

SELECT * 

INTO #TempTable -- remove this part and it becomes simple select query

FROM SampleTable

WHERE...

 -- create Global temporary table i.e double hash(##)

 CREATE TABLE ##tablename

 ( Column1 datatype, column2 datatype……) 

IF Object_ID('tempdb..#Tablename') IS NOT NULL DROP TABLE #Tablename

​

Select

    *

into 

    #Tablename

FROM 

    SampleTable

-- CREATE TEMP TABLE 

Create Table #MyTempTable (

    EmployeeID int

);

​

If(OBJECT_ID('tempdb..#temp') Is Not Null)

Begin

    Drop Table #Temp

End