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我想拉今天的日期加上過去四周。有沒有人知道Netezza的這個功能?我的下面是一個不起作用的猜測。另外,我不想提取日期。當前日期的Netezza日期函數 - 16天
Select c.BUSINESS_UNIT_NBR, c.BUSINESS_UNIT_NAME, b.STORE_NBR, b.INV_CUST_ACNT_NBR,c.INV_CUST_NAME, a.NDC_NBR, a.GENERIC_NAME, a.INV_NBR, a.CONTRACT_ID, a.CONTRACT_NAME, a.ORD_DT, b.INV_DT, b.SHIP_DT, a.ORD_QTY, a.SHIPPED_QTY, a.INV_PRICE_AMT, a.INV_COST_AMT, a.MARKUP_MARKDOWN_PCT, a.INV_LINE_AMT
from fct_dly_invoice_detail a, fct_dly_invoice_header b, dim_invoice_customer c
where a.INV_HDR_SK = b.INV_HDR_SK
and b.DIM_INV_CUST_SK = c.DIM_INV_CUST_SK
and a.SRC_SYS_CD = 'ABC'
and a.NDC_NBR is not null
**and b.inv_dt(current_date)-16**
and b.store_nbr in (813, 1197, 2771, 3048, 3177, 3387, 3477, 3602, 3766, 3912, 4020, 4138, 4228, 4434, 4435, 4507, 4742, 4791, 5353, 5392, 5775, 5776, 5890, 6177, 6692, 6736, 6806, 7933, 9175, 9472)