Got it! Here's a cleaner version of your README.md with only Day 1 filled in and other days marked as "To be updated". This avoids broken links and gives you space to update daily.

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30 Days of SQL – LeetCode Challenge

Welcome to my journey of solving SQL problems on LeetCode for 30 days!

🔄 Ongoing challenge – I will update this every day!

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📅 Daily Progress

Day	Topic/Category	Problem Name	LeetCode Link
Day 1	Join Basics	Combine Two tables	Link
Day 2	join basics	highest salary	https://leetcode.com/problems/employees-earning-more-than-their-managers/ /
Day 3	groupby	duplicate rows	https://leetcode.com/problems/duplicate-emails/description/
Day 4	In operator	customers who have not order	https://leetcode.com/problems/customers-who-never-order/description/
Day 5	merge	merging tables	https://leetcode.com/problems/triangle-judgement/
Day 6	group by	having more matched actors	https://leetcode.com/problems/actors-and-directors-who-cooperated-at-least-three-times/
Day 7	basic sql	Game play analysis	https://leetcode.com/problems/game-play-analysis-i/description/
Day 8	joins	employeesbonus	https://leetcode.com/problems/employee-bonus/description/
Day 9	having	class with least students	https://leetcode.com/problems/classes-with-at-least-5-students/
Day 10	Human traffic stadiun	using group ,order	https://leetcode.com/problems/human-traffic-of-stadium/description/
Day 11	orders	joins and groping	https://leetcode.com/problems/list-the-products-ordered-in-a-period/description/
Day 12	percentage	arthimetic	https://leetcode.com/problems/percentage-of-users-attended-a-contest/description/
Day 13	subquery	Biggest single number	https://leetcode.com/problems/biggest-single-number/description/
Day 14	joins	project employess	https://leetcode.com/problems/project-employees-i/description/
Day 15	joins	product sales	https://leetcode.com/problems/product-sales-analysis-i/
Day 16	group by	number of unique subjects	https://leetcode.com/problems/number-of-unique-subjects-taught-by-each-teacher/description/
Day 17	Regexp	valid email check ✅	https://leetcode.com/problems/find-valid-emails/
Day 18	cases	months problem	https://leetcode.com/problems/reformat-department-table/description/
Day 19	group by	group sold products	https://leetcode.com/problems/group-sold-products-by-the-date/description/
Day 20	subquery	finding students who improved	https://leetcode.com/problems/find-students-who-improved/description/
Day 21	joins , group by	student sibjects	https://leetcode.com/problems/students-and-examinations/description/
Day 22	round function	subscription analyses	https://leetcode.com/problems/analyze-subscription-conversion/description/
Day 23	joins	find books with no null values	https://leetcode.com/problems/find-books-with-no-available-copies/description/
Day 24	group	customers who bought all products	https://leetcode.com/problems/customers-who-bought-all-products/description/
Day 25	all cluases	last person to fit in bu	https://leetcode.com/problems/last-person-to-fit-in-the-bus/description/
Day 26	functions	product sales 111	https://leetcode.com/problems/product-sales-analysis-iii/description/
Day 27	transactions	monthly transactions
Day 28	case	capital gainloss	https://leetcode.com/problems/capital-gainloss/description/
Day 29	joins	average selling price	https://leetcode.com/problems/average-selling-price/solutions/
Day 30	all combinations	user activity for past 30 days	https://leetcode.com/problems/user-activity-for-the-past-30-days-i/description/

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🛠 How to Use

Each day's solution is stored in a file named:

• Day01.sql
• Day02.sql
• ...

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🔗 Resources

• LeetCode SQL Problems
• My GitHub Profile

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