多個left join 不在access 和sql的寫法是不同的 如
access
select g.ccbh,g.jyrq,g.[10ib老化後],g.[033ib老化後],g.[05lib老化後],h.[05l02ib老化後] from (select e.ccbh,e.jyrq,e.[10ib老化後],e.[033ib老化後],f.[05lib老化後] from
( select d.ccbh,d.jyrq,d.[10ib老化後],b.[033ib老化後] from
( select a.ccbh,a.jyrq,c.wcpj as [10ib老化後] from dbcs a
left join (
select wcpj,jh,jyrq from jbwc where glys ='1.0' and ib='ib'
) c on a.ccbh=c.jh and format( a.jyrq,'yyyy-mm-dd')=format( c.jyrq,'yyyy-mm-dd')
) d
left join (
select wcpj as [033ib老化後],jh,jyrq from jbwc where glys ='1.0' and ib='0.033ib'
) b on d.ccbh=b.jh and d.jyrq=b.jyrq
) eleft join (
select wcpj as [05lib老化後],jh,jyrq from jbwc where glys ='0.5l' and ib='ib'
) f on e.ccbh=f.jh and e.jyrq=f.jyrq
) gleft join (
select wcpj as [05l02ib老化後],jh,jyrq from jbwc where glys ='0.5l' and ib='ib'
) hon g.ccbh=h.jh and g.jyrq=h.jyrq
sqlselect a.ccbh,a.jyrq,b.033ib老化後,f.05lib老化後,h.05l02ib老化後,c.wcpj as 10ib老化後 from dbcs a
left join (
select wcpj,jh,jyrq from jbwc where glys ='1.0' and ib='ib'
) c on a.ccbh=c.jh and format(a.jyrq,'yyyy-mm-dd')=format(c.jyrq,'yyyy-mm-dd')
left join (
select wcpj as 033ib老化後,jh,jyrq from jbwc where glys ='1.0' and ib='0.033ib'
) b on a.ccbh=b.jh and a.jyrq=b.jyrq
left join (
select wcpj as 05lib老化後,jh,jyrq from jbwc where glys ='0.5l' and ib='ib'
) f on a.ccbh=f.jh and a.jyrq=f.jyrq
left join (
select wcpj as 05l02ib老化後,jh,jyrq from jbwc where glys ='0.5l' and ib='ib'
) h on a.ccbh=h.jh and a.jyrq=h.jyrq
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