SQL 语句问题 .
select wl_jz, somx_xqsl ,wl_wlid ,(wl_jz*somx_xqsl)=case
when wl_jldw='百米' then wl_jz*somx_xqsl/10
when wl_jldw='米' then wl_jz*somx_xqsl/100
from jserp.wl ,jserp.somx
where wl_wlid=somx_wlid
and somx_soid='092222'
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请高手看看这SQL 语句 哪里出现错误了 ..