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Hackerrank | MySQL | Draw The Triangle 2 본문
Draw The Triangle 2
Draw The Triangle 2 | HackerRank
Draw the triangle pattern using asterisks.
www.hackerrank.com
P(R) represents a pattern drawn by Julia in R rows. The following pattern represents P(5):
Write a query to print the pattern P(20).
SET @num = 0;
SELECT REPEAT('* ', @num := @num+1)
FROM information_schema.tables
LIMIT 20
SET @NUM:= 0;
SELECT REPEAT('* ', @NUM := @NUM + 1)
FROM information_schema.tables
LIMIT 20;
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