Update ch03: 复杂一点的查询.md

This commit is contained in:
mba1398
2021-09-12 11:17:03 +08:00
committed by GitHub
parent 03174e70fb
commit b0e4cecb54

View File

@@ -1411,7 +1411,7 @@ SELECT name,
## 3.5 判断题
运算或者函数中含有 NULL 时运算结果是否必然会变为NULL
运算中含有 NULL 时运算结果是否必然会变为NULL
## 3.6