查询订购单号(字符型,长度为4)尾字符是“1”的错误命令是 ______。A.SELECT * FROM 订单 WHERE SUBS
查询订购单号(字符型,长度为4)尾字符是“1”的错误命令是 ______。
A.SELECT * FROM 订单 WHERE SUBSTR(订购单号,4)="1"
B.SELECT * FROM 订单 WHERE SUBSTR(订购单号,4,1)="1"
C.SELECT * FROM 订单 WHERE "1"$订购单号
D.SELECT * FROM 订单 WHERE RIGHT(订购单号,1)="1"