Multiple choice technology databases

What is true about ordering in the SQL statement? Choose all that apply

  1. Right to Left processing of Source (Tables, views etc.) by Parser

  2. Left to Right processing of Source (Tables, views etc.) by Parser

  3. Bottom to Up processing of WHERE condition clauses

  4. Up to Bottom processing of WHERE condition clauses
Reveal answer Fill a bubble to check yourself
A,C Correct answer
Explanation

The SQL parser processes tables/views right-to-left (starting with the rightmost table). WHERE clause conditions are evaluated bottom-to-top, so the last condition is evaluated first. This ordering affects how the optimizer constructs the execution plan.

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