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---
id: 5e7b9f180b6c005b0e76f08f
title: '關係數據庫:聯接操作'
challengeType: 11
videoId: jvDw3D9GKac
bilibiliIds:
aid: 804461215
bvid: BV1Ry4y1j7tv
cid: 377542880
dashedName: relational-databases-join-operation
---
# --question--
## --text--
在 SQL 語句中使用 JOIN 子句時ON 的作用是什麼?
## --answers--
它指示在哪些表上執行 JOIN。
---
它指定用於 JOIN 的字段。
---
它指示如何將兩個表連接在一起。
## --video-solution--
3