sql - PIVOT change all NULL to 0 -


i have out of pivot below null values. had paste excel , change nulls 0 time consuming. how change null 0 output of pivot:

select *  (      select          calender.yrper, [period data 6b].product_no,          isnull(sum([period data     6b].li_qty+[period data 6b].rg_qty*1.0),0) "totalunits"      calender inner join          [period data 6b] on calender.[starting period] = [period data     6b].starting_period left outer join          allproducts on [period data 6b].product_no = allproducts.product_no      calender.yrper >= '2012p05'      group calender.yrper, [period data 6b].product_no       union       select          'totalperproduct' yrper,           [period data 6b].          product_no,           isnull(sum([period     data 6b].li_qty+[period data 6b].rg_qty*1.0),0) "totalunits"                calender inner join           [period data 6b] on calender.[starting period] = [period data     6b].starting_period left outer join           allproducts on [period data 6b].product_no = allproducts.product_no       calender.yrper >= '2012p05'       group [period data 6b].product_no  ) test1 pivot (     sum(totalunits)     yrper     in ([2012p05],[2012p06],[2012p07],[2012p08],[2012p09],[2012p10],[2012p11],[2012p12],    [2012p13],[2013p01],[2013p02],[2013p03],[2013p04],[2013p05],[2013p06],[2013p07],[2013p08],    [2013p09],[2013p10],[2013p11],[2013p12],[2013p13],[2014p01],[2014p02],[2014p03],[2014p04],     [totalperproduct]) ) pivottable order product_no

replace "select * ...." "select isnull(column1,0) column1...... not sure want?


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