nullable

名词 n. 形容词 adj.

英文释义

名词 n.
  1. A variable, etc. that is allowed to have a null value.
形容词 adj.
  1. That may be nullified; nullifiable. not-comparable
    — Then you regard as nullable and voidable the laws of Titius and Apuleius, because they are unjust.
  2. That is allowed to have a null value. not-comparable
    — You want to perform an aggregation on a column, but the column is nullable.

词形变化

nullables plural

词汇关系

衍生词

词源

词源 1
Etymology tree
English null
Proto-Indo-European *-dʰlom
Proto-Indo-European *-dʰlis
Proto-Italic *-ðlis
Latin -bilis
Latin -ābilis
Old French -ablebor.
Middle English -able
English -able
English nullable
From null + -able.
词源 2
Etymology tree
English null
Proto-Indo-European *-dʰlom
Proto-Indo-European *-dʰlis
Proto-Italic *-ðlis
Latin -bilis
Latin -ābilis
Old French -ablebor.
Middle English -able
English -able
English nullable
From null + -able.
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