CASE WHEN B.[STAT] IS NULL THEN (C.[EVENT DATE]+10) -- Type DATETIME ELSE '-' -- Type VARCHAR END AS [DATE]. You need to select one type or ... ... <看更多>

I cannot use = for NULL . Tested and does not work. I would want all rows returned including those where SupervisorApprovedBy IS NOT NULL . sql ... ... <看更多>

Hoy vamos a aprender a utilizar expresiones condicionales, son de gran utilidad para el manejo de retorno de valores. ... <看更多>

用NULLIF 來替代CASE. 接下來是示範NULLIF 與CASE 兩者都可以達到一樣的效果的寫法. sql ... 再搭配ISNULL 來把NULL 轉成空字串. sql ... ... <看更多>

Bug report When running sql server input against a case sensitive instance the query errors out. ... [I/O] = ISNULL([I/O] , 0) ... <看更多>