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2 changes: 1 addition & 1 deletion .gitignore
Original file line number Diff line number Diff line change
@@ -1 +1 @@
.obsidian
.obsidian/
1,433 changes: 1,433 additions & 0 deletions JongminJeon/10. 실행 계획.md

Large diffs are not rendered by default.

2 changes: 1 addition & 1 deletion JongminJeon/9. 옵티마이저와 힌트.md
Original file line number Diff line number Diff line change
Expand Up @@ -655,7 +655,7 @@ mysql> EXPLAIN SELECT *
FROM employees e WHERE e.first_name='Matt'
AND e.emp_no IN (
SELECT t.emp_no FROM titles t
WHERE t.from_
WHERE t.from_date BETWEEN '1995-01-01' AND '1995-01-30'
```

실행 계획
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Binary file added JongminJeon/src/img/10. Extra 컬럼 예시.png
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