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空值

kōng zhídictionary entry
DEFINITION CC-CEDICT
null value (in a relational database)
Sources & editorial notes

Reference definitions: CC-CEDICT contributors and MDBG, CC BY-SA 4.0. Source release 2026-10-27T01:55:52Z. Imported 2026-10-27. Definition wording and meaning order are retained. Recognized pronunciation references are displayed with tone marks; the original source record is available below.

Source record: cd-1287a7644b83e97a. Source SHA-256: bbc4b27f26bee1a262f4d7939667a040c7857c7fc0200a2fa7a86d3352a09eae.

Original source entry:

空值 空值 [kong1 zhi2] /null value (in a relational database)/

Reference definitions and teaching material have separate provenance.

Reference information

The definitions above are from CC-CEDICT. Examples and usage notes are available on selected entries.

Character information

View the individual characters. Their meanings do not necessarily explain the meaning of the whole word.

  • 空
    kōng

    empty / air / sky / in vain

    kòng

    to empty / vacant / unoccupied / space / leisure / free time

  • 值
    zhí

    value / (to be) worth / to happen to / to be on duty

Reference definitions from CC-CEDICT.