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Multiple ChoiceIntermediate 30s

EXPLAIN

Choose the best answer for: EXPLAIN in SQL
Options
  1. 1EXPLAIN runs the query and returns its actual result rows
  2. 2EXPLAIN deletes data by dropping the rows it inspects
  3. 3EXPLAIN shows the query execution plan for optimization
  4. 4EXPLAIN creates indexes on every column it encounters
backendintermediate

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