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QWhat did later systems add to CODASYL databases?

ID: #13354 Database Concepts MCQs 102 views
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  • A Declarative query language ✔ ✖
  • B Hashing algorithms for primary key retrieval ✔ ✖
  • C B-trees for alternate access paths ✔ ✖
  • D Sequential order scanning ✔ ✖
Correct Answer: Option C

Explanation

Later systems added B-trees as an additional mechanism to provide alternate access paths to the data in CODASYL databases.

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