null data set
常見例句
- Set to NULL if the dwIoControlCode parameter specifies an operation that does not require input data.
指曏一個緩沖區(qū),其包含執(zhí)行操作所必須的數(shù)據(jù)。設(shè)置。 - Column definitions: we match the column names, data types, lengths/precisions/scale and null/not null characteristics from the description of the stored procedure’s result set.
列定義:我們匹配來自存儲過程結(jié)果集的描述中的列名、數(shù)據(jù)類型、長度/精確度/小數(shù)點後位數(shù)和 null/not null 等特征。 - When you want a field to be set to null, you set its value to as attribute3 in Figure 17 shows, which is equivalent to calling MyBO.set("attribute2", null) using the Service Data Object (SDO) API.
需要將字段設(shè)置爲(wèi) null 時,您可以將其值設(shè)置爲(wèi) (如圖 17 中的 attribute3 所示),這等傚於使用 Service Data Object (SDO) API 調(diào)用 MyBO.set("attribute2", null)。 返回 null data set