Supporting B+tree indexes on primary B+tree structures with large primary keys

   
   

A system for organizing and accessing a database. The system includes a primary B+tree index, a secondary B+tree index, a plurality of mapping table row identifiers stored in the secondary B+tree index and a plurality of database addresses for leaf blocks of the primary B+tree index corresponding to mapping table rows.

Um sistema para organizar e alcançar uma base de dados. O sistema inclui um índice preliminar de B+tree, um índice secundário de B+tree, um plurality de traçar os identificadores da fileira da tabela armazenados no índice secundário de B+tree e um plurality de endereços da base de dados para blocos da folha do índice preliminar de B+tree que corresponde a traçar fileiras da tabela.

 
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