freeCodeCamp/curriculum/challenges/chinese/07-scientific-computing-with-python/python-for-everybody/relational-databases-and-sqlite.md

id, challengeType, videoId

id	challengeType	videoId
5e7b9f170b6c005b0e76f08a	11	QlNod5-kFpA

--question--

--text--

Which is NOT a primary data structure in a database?

--answers--

index

---

table

---

row

---

column

--video-solution--

1

--hints--

--solutions--