sql server - Inner Join and Coalesce issue -


i running query , getting error:

msg 102, level 15, state 1, line 3
incorrect syntax near '.'.

msg 4145, level 15, state 1, line 6
expression of non-boolean type specified in context condition expected, near 'and'.

my target table contains nulls , source contains nulls , data.

i need fill target addresses source table. 

declare @fullstatement nvarchar(4000) set @fullstatement= ' using ' + @targettable+ ' itarget'+                             ' using '+@currenttable+' isource  select      isource.[address], itarget.[address]      isource  inner join      itarget on target.versionenddate null              , target.researchpropertyid = source.researchpropertyid      (coalesce(isource.[address], '') = coalesce(itarget.[addres], '')) ,       (coalesce(itarget.[address], '') = coalesce(isource.[address], ''))'  if @debug = 1     print @fullstatement  execute sp_executesql @fullstatement

you need change each '' '''' in block:

 (coalesce(isource.[address], '') = coalesce(itarget.[addres], '')) ,       (coalesce(itarget.[address], '') = coalesce(isource.[address], ''))

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