목록INFORMATION_SCHEMA.tables (1)

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hackerrank Draw The Triangle 2

1) SET 1-1) SET @row := 0; 2) * 반복 2-1) REPEAT( "* ", @row := @row + 1 ) 3) INFORMATION_SCHEMA.tables 3-1) SET @row :=0; SELECT REPEAT("* ", @row := @row + 1 ) FROM INFORMATION_SCHEMA.tables 4) where절 4-1) SET @row := 0; SELECT REPEAT("* ", @row := @row + 1 ) FROM INFORMATION_SCHEMA.tables WHERE @row < 20; 4-1) 결과 이하 20줄까지 출력된다. SUCCESS!!
HackerRank/SQL 2021. 2. 18. 23:55
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