Function count counts the number of selected elements Count函數可以計數所選元素的個數
The str _ word _ count ( ) function counts the number of words in a string 函數的作用是:計算字符串中的詞數。
The substr _ count ( ) function counts the number of times a substring occurs in a string 函數的作用是:查找子字符串出現次數。
The count ( ) function counts the elements of an array , or the properties of an object 函數的作用是:計算數組中的元素數目或對象中的屬性個數。
The sizeof ( ) function counts the elements of an array , or the properties of an object 函數的作用是:統計一個數組中所包含的元素數量;或者是統計一個對象中所包含的屬性數量。
Any reference to managed code from a transact - sql user - defined function counts as one level against the 32 - level nesting limit 從transact - sql用戶定義函數對托管代碼的任何引用都將計入32級嵌套限制的一個級別。
As written , the function counts weekends , new year ' s day , memorial day , the fourth of july , labor day , thanksgiving , and christmas as non - business days 正如所編寫的,這個函數能用來計算周末,新年,紀念日,美國國慶日,勞工節,感恩節,以及圣誕節這些非商業的日期。