• 周六. 7 月 13th, 2024

5G编程聚合网

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SQL view (hive as an example)

King Wang

1 月 4, 2022

View (View) :

  1. The view is a special kind ( Logically there is ) Table of
  2. The view is read-only
  3. Views can protect sensitive fields , Only expose the fields that users need to query in the view , Protect data privacy

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