upsert

词形变化

upserts 复数 upserts upserted upserting upserts 三单 upserting 现在分词 upserted 过去式 upserted 过去分词

释义与例句

n.
  1. 1.

    An operation that inserts rows into a database table if they do not already exist, or updates them if they do.

    计算机 工程 数学
v.
  1. 1.

    To insert rows into a database table if they do not already exist, or update them if they do.

    及物 计算机 工程 数学

词源

Blend of update + insert.

来源：wiktionary