将结果 table 中的空值替换为 sql 中的“0” pivot table

Question

我有下面的查询将生成数据透视表 table ，但结果我需要用 "0"(zero) 替换空值，请帮助我如何做同样的事情：

SELECT * FROM (
  SELECT
    [Date],
    Department,
    Count(Action_Status) as Status
  FROM Semicon_NPD
  where Action_Status = 'Pending'
   group by Department,[Date]
) StatusCount
PIVOT (
  SUM([Status])
  FOR [Department]
  IN (
    [Milling],
    [Turning],
    [EDM]
  )
)
 AS PivotTable

结果table：

Answer 1

您在顶部有一个 SELECT *。将其更改为 select 结果集中的特定列，并使用 ISNULL or COALESCE 到 return 0 而不是 NULL。像这样：

SELECT Date,Milling=ISNULL(Milling,0),Turning=ISNULL(Turning,0),EDM=ISNULL(EDM,0) 
FROM (
  SELECT
    [Date],
    Department,
    Count(Action_Status) as Status
  FROM Semicon_NPD
  where Action_Status = 'Pending'
   group by Department,[Date]
) StatusCount
PIVOT (
  SUM([Status])
  FOR [Department]
  IN (
    [Milling],
    [Turning],
    [EDM]
  )
)  AS PivotTable

将结果 table 中的空值替换为 sql 中的“0” pivot table

replace the null value in result table to "0" in sql pivot table

tsql

sql-server

null

pivot