Why can you reference a SELECT alias in the ORDER BY clause?

ORDER BY is executed after the SELECT clause projects columns and establishes aliases.

ORDER BY does not require parsing.

PostgreSQL does not support ORDER BY on expressions.

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QUESTION 01 OF 02

Why SELECT Aliases Fail in WHERE

Quiz for lesson: Why SELECT Aliases Fail in WHERE

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Why does SELECT price * 1.1 AS tax WHERE tax > 100 fail?

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