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我想拉今天的日期加上过去四周。有没有人知道Netezza的这个功能?我的下面是一个不起作用的猜测。另外,我不想提取日期。当前日期的Netezza日期函数 - 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)