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6.16. Changes to value comparison semantics
The semantics of value comparison is changed as follows.
Null is considered equal to itself, unequal to any other atomic items, and smaller than any other atomic item.
Example 6.11. Value comparison
Query
1 eq null, null eq null, 1 ne null, null lt 1
Result
false true true true
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6.15. Changes to arithmetic operation semantics
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6.17. Changes to general comparison semantics