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In case of 1:1 relationships, when can we have a minimum of 1 table?

  • when both the entities have total participation
  • when atleast one entity have total participation
asked in Databases by (327 points) | 38 views
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In both cases.
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when atleast one of the side have total parrticipation,which includes your first case also
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When there is total participation on only one side, don't we make two tables and add the key of the other table to the table on the total participation side?
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When they ask about minimum simply combine all the three - two entities and the relation itself.

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