I would add "WHERE ....... and '['+b.name+']'<>'[PK_'+a.name+']'" because my server likes to be lazy.

Nice Example to find out that Date can have Time included

In my Parent/Child configuration i had trouble with "each child package and i selected the connectionmanager property's connection string" and changed it to "link the StringParentVariable to the StringChildVariable then...

Okay, my first attempting is right.

In the Parentpackage you have the Variable ConnectionString.

Make the same Variable in each ChildPackage

Then in the CildPackages, instead to point to XML, choose ParentPackageVariabel, link...

I think i missunderstood you, sorry.

You will change the connection path from childtask.

In the properties from ExecutionTask there is "Expression" where you can change the Connection with Expression builder (or...

Google or Bing or... is your friend.

try with "ssis parentvariable", that finds more about this theme then you ever can read

try the first one: http://www.bidn.com/blogs/mikedavis/ssis/155/passing-variable-values-from-parent-package-to-child-ssis

Something like

select

NullValues =

case when col1 is null then 1 else 0 end

+case when col2 is null then 1 else 0 end

+case when col3 is...

Use ParentVariable