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  • Storing only 'books' will allow for removing the 'LIKE' operator from the SQL query, potentially speeding queries in the general case. Depending on implementation, this could allow for GET operation (getDataNodes) to support returning whole lists, using an index-only lookup.
  • Storing "books[@title='Matilda']" will allow for optimization of queries where the leaf-condition references the key leaf (as defined in the Yang model), thus skipping both the LIKE operator and the attribute check, but only in this specific case.

A note on fetching descendant nodes

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