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@Milan_VuceticHi, after i created the tables...below was what got created:

Parent - pl_:test1

<element label="test2" name="test2-test_link" revLink="test_link" target="pl_:test2"
             type="link" unbound="true">
      <join xpath-dst="@col2" xpath-src="@col1"/>
</element>

 

Child - pl_:test2

<element label="test_link" name="test_link" revLink="test2-test_link"
     target="pl_:test1" type="link">
    <join xpath-dst="@col1" xpath-src="@col2"/>
</element>

 

I believe this was 1-1 cardinality which is created by default? Even so, i was able to insert a record in child table (test2), which didn't exist in parent table(test1). hence, my doubts.

 

If it's possible, can you give me an example of how you'd define a link of cardinality 1-N.

Thank you