Pergunta de entrevista da empresa Kalpataru Computer Services

When is the UPDATE_STATISTICS command used

Resposta da entrevista

Sigiloso

1 de jul. de 2017

This command is used, ones the processing of large data is done. When we delete a large number of files, alteration or reproduction takes place in the tables, to be concerned of these changes we need to restructure the indexes This is done UPDATE_STATISTICS.

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