is-null.rpt

来自「本程序中即有讲义」· RPT 代码 · 共 33 行

RPT
33
字号
title_id advance               
-------- --------------------- 
MC2222   .0000
MC3026   NULL
PC9999   NULL
PS2091   2275.0000
PS3333   2000.0000
PS7777   4000.0000
TC4203   4000.0000

(所影响的行数为 7 行)

discounttype                             stor_id lowqty highqty discount 
---------------------------------------- ------- ------ ------- -------- 
Initial Customer                         NULL    NULL   NULL    10.50
Volume Discount                          NULL    100    1000    6.70
Customer Discount                        8042    NULL   NULL    5.00

(所影响的行数为 3 行)

discounttype                             stor_id lowqty highqty discount 
---------------------------------------- ------- ------ ------- -------- 
Initial Customer                         NULL    NULL   NULL    10.50
Volume Discount                          NULL    100    1000    6.70

(所影响的行数为 2 行)

discounttype                             stor_id lowqty highqty discount 
---------------------------------------- ------- ------ ------- -------- 

(所影响的行数为 0 行)

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