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✨ [22.03.03] Day 12 #36

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merged 1 commit into from
Mar 7, 2023
Merged

✨ [22.03.03] Day 12 #36

merged 1 commit into from
Mar 7, 2023
+14 −0

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thalals
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@thalals thalals commented Mar 3, 2023

#32

KimGaEul
KimGaEul reviewed Mar 7, 2023
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형민/day_12.txt
@@ -0,0 +1,14 @@
1번 : 중복 제거하기
- SELECT count(distinct(NAME)) FROM ANIMAL_INS WHERE NAME is not NULL;
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count(column) 자체가 NOT NULL인 ROW의 수만 세기 때문에 굳이 따로 NOT NULL처리 안해주셔도 됩니다!

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오..?? 이건 진짜 몰랐네 미쳤다 ;;ㄸㄸ

@thalals thalals merged commit 7e2c733 into main Mar 7, 2023
@thalals thalals deleted the BeQueryMaster-32 branch March 7, 2023 08:59
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@thalals @KimGaEul