From e73dc06ad9d5f35ed5e3c2720554c2a8bf6511b1 Mon Sep 17 00:00:00 2001 From: Atharva Desai Date: Fri, 5 Dec 2025 22:54:42 +0530 Subject: [PATCH 1/6] Add SQL query to draw a triangle pattern --- alternative-queries/draw_the_triangle_2.sql | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/alternative-queries/draw_the_triangle_2.sql b/alternative-queries/draw_the_triangle_2.sql index e105e61..ff54f87 100644 --- a/alternative-queries/draw_the_triangle_2.sql +++ b/alternative-queries/draw_the_triangle_2.sql @@ -1,4 +1,5 @@ -- Draw The Triangle 2 -- https://www.hackerrank.com/challenges/draw-the-triangle-2/problem -SELECT REPEAT('* ', @NUMBER := @NUMBER + 1) FROM information_schema.tables, (SELECT @NUMBER:=0) t LIMIT 20 \ No newline at end of file + +SELECT REPEAT('* ', @NUMBER := @NUMBER + 1) FROM information_schema.tables, (SELECT @NUMBER:=0) t LIMIT 20 From 9007016b7b190584298d26dc56eb009257193d91 Mon Sep 17 00:00:00 2001 From: Atharva Desai Date: Fri, 5 Dec 2025 22:55:19 +0530 Subject: [PATCH 2/6] Modify SQL query to include additional fields --- advanced-join/interviews.sql | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/advanced-join/interviews.sql b/advanced-join/interviews.sql index 8b641a2..4d43e89 100644 --- a/advanced-join/interviews.sql +++ b/advanced-join/interviews.sql @@ -29,6 +29,7 @@ GROUP BY ,total_submissions ,total_accepted_submissions ) + SELECT contest_id , c.hacker_id @@ -50,4 +51,4 @@ GROUP BY , c.hacker_id , c.name ORDER BY - contest_id; \ No newline at end of file + contest_id; From 1a3443d0bc1c51331f6bfec3a1fc03c7755af74c Mon Sep 17 00:00:00 2001 From: Atharva Desai Date: Fri, 5 Dec 2025 22:56:13 +0530 Subject: [PATCH 3/6] Improve formatting of SQL query in projects.sql Reformatted SQL query for better readability. --- advanced-join/projects.sql | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/advanced-join/projects.sql b/advanced-join/projects.sql index cfe60b8..ea9d502 100644 --- a/advanced-join/projects.sql +++ b/advanced-join/projects.sql @@ -1,4 +1,7 @@ -- Projects -- https://www.hackerrank.com/challenges/projects/problem -set @row1:=0; set @row2:=0; select p_start.start_date,p_end.end_date from (select @row1:=@row1+1 as rown, start_date from projects where start_date not in (select end_date from projects)) as p_start inner join (select @row2:=@row2+1 as rown, end_date from projects where end_date not in (select start_date from projects)) as p_end on p_start.rown=p_end.rown order by p_end.end_date-p_start.start_date,p_start.start_date; \ No newline at end of file +set @row1:=0; set @row2:=0; select p_start.start_date,p_end.end_date from + (select @row1:=@row1+1 as rown, start_date from projects where start_date not in (select end_date from projects)) + as p_start inner join (select @row2:=@row2+1 as rown, end_date from projects where end_date not in + (select start_date from projects)) as p_end on p_start.rown=p_end.rown order by p_end.end_date-p_start.start_date,p_start.start_date; From f66e1ca08fc8ddd21c837a96777c665b8ea925d0 Mon Sep 17 00:00:00 2001 From: Atharva Desai Date: Wed, 10 Dec 2025 19:38:48 +0530 Subject: [PATCH 4/6] Update japanese-cities-attributes.sql From 569a0f2af870a46718da841cef9ee1777fda8456 Mon Sep 17 00:00:00 2001 From: Atharva Desai Date: Wed, 10 Dec 2025 19:39:07 +0530 Subject: [PATCH 5/6] Update higher-than-75-marks.sql From 58fb58abf07231639e6acac0f11df1cb0f169151 Mon Sep 17 00:00:00 2001 From: Atharva Desai Date: Wed, 10 Dec 2025 19:39:33 +0530 Subject: [PATCH 6/6] Update revising-the-select-query-ii.sql