END as xb,TBD.BMMC as ksmc,TBD.BMMC as yxmc,TBD.BMBH as ksh,TBA.ZGDQZTDM as zgzt from from_gxsdxyxxzx_teacher TBA LEFT JOIN from_gxsdxyxxzx_xzbm TBD ON TBA.SZBMBH=TBD.BMBH
select b.JXZYBH as zydm,b.JXZYJC as zyjc,b.JXZYMC as zymc,a.BMMC yxmc from from_gxsdxyxxzx_xzbm a left join from_gxsdxyxxzx_zyxx b on a.BMBH=b.JXZYSSYXBBH