{"id":29916514,"url":"https://github.com/keroloshany47/sql_problems","last_synced_at":"2025-09-11T02:14:09.070Z","repository":{"id":307710445,"uuid":"1030459292","full_name":"keroloshany47/SQL_Problems","owner":"keroloshany47","description":"This repository documented my journy solving SQl problems in multi websites like LeetCode  and Hacker Rank","archived":false,"fork":false,"pushed_at":"2025-09-10T05:01:11.000Z","size":557,"stargazers_count":0,"open_issues_count":0,"forks_count":0,"subscribers_count":1,"default_branch":"main","last_synced_at":"2025-09-10T07:34:08.290Z","etag":null,"topics":["database","hackerrank","leetcode","mysql","sql","sql-practice","sql-query","sql-server"],"latest_commit_sha":null,"homepage":"","language":"TSQL","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":null,"status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/keroloshany47.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":null,"code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null,"zenodo":null,"notice":null,"maintainers":null,"copyright":null,"agents":null,"dco":null,"cla":null}},"created_at":"2025-08-01T17:15:20.000Z","updated_at":"2025-09-10T05:01:14.000Z","dependencies_parsed_at":null,"dependency_job_id":"079d7bb6-14f5-4ef1-93ba-38f38bded1d5","html_url":"https://github.com/keroloshany47/SQL_Problems","commit_stats":null,"previous_names":["keroloshany47/sql_problems"],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/keroloshany47/SQL_Problems","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/keroloshany47%2FSQL_Problems","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/keroloshany47%2FSQL_Problems/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/keroloshany47%2FSQL_Problems/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/keroloshany47%2FSQL_Problems/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/keroloshany47","download_url":"https://codeload.github.com/keroloshany47/SQL_Problems/tar.gz/refs/heads/main","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/keroloshany47%2FSQL_Problems/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":274564926,"owners_count":25308675,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","status":"online","status_checked_at":"2025-09-11T02:00:13.660Z","response_time":74,"last_error":null,"robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":true,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["database","hackerrank","leetcode","mysql","sql","sql-practice","sql-query","sql-server"],"created_at":"2025-08-02T05:00:52.751Z","updated_at":"2025-09-11T02:14:09.063Z","avatar_url":"https://github.com/keroloshany47.png","language":"TSQL","readme":"# SQL Problem-Solving\n\n## Welcome\nThis repository is my active workshop for mastering SQL. It contains solutions to real-world problems from top platforms, demonstrating skills in querying, analysis, and efficient SQL techniques.\n\n---\n\n## Platforms \u0026 Tech Stack\nI actively solve problems from:\n\n![HackerRank](https://img.shields.io/badge/HackerRank-%2300CC55?style=plastic\u0026logo=hackerrank\u0026logoColor=white)\n![LeetCode](https://img.shields.io/badge/LeetCode-%23FFA116?style=plastic\u0026logo=leetcode\u0026logoColor=black)\n![SQL-Practice](https://img.shields.io/badge/SQL--Practice-%2300599C?style=plastic\u0026logo=databricks\u0026logoColor=white)\n![DataLemur](https://img.shields.io/badge/DataLemur-%23FF3131?style=plastic\u0026logo=readthedocs\u0026logoColor=white)\n\u003c!-- ![StrataScratch](https://img.shields.io/badge/StrataScratch-%2300B398?style=plastic\u0026logo=codeigniter\u0026logoColor=%23333333) --\u003e\n\n\n\n\n\n\n---\n\n##  Core Competencies\nThis repo showcases a diverse range of SQL skills — including:\n- Writing clean, efficient queries\n- Solving real-world case studies\n- Understanding core database concepts\n\n---\n\n##  Skills Demonstrated\n| Category          | Skills/Topics Demonstrated                                      |\n|-------------------|----------------------------------------------------------------|\n| Aggregations       | `GROUP BY`, `COUNT`, `SUM`, `AVG`, `MAX`, `MIN`                |\n| Joins              | `INNER JOIN`, `LEFT JOIN`, `RIGHT JOIN`, `FULL JOIN`           |\n| Subqueries         | `WHERE`, `IN`, `EXISTS`, `ALL`, `ANY`                          |\n| Window Functions   | `ROW_NUMBER`, `RANK`, `DENSE_RANK`, `NTILE`                    |\n| Set Operations     | `UNION`, `INTERSECT`, `EXCEPT`                                 |\n\n---\n##  Technologies Used\n\nThis repository contains problem-solving SQL scripts written primarily in:\n\n ![SQL](https://img.shields.io/badge/SQL-Server-blue?logo=microsoftsqlserver)\n ![MySQL](https://img.shields.io/badge/MySQL-Used-blue?logo=mysql)\n\n---\n\n##  My Goals\n-  Become SQL-proficient for real-world data tasks.\n-  Master complex query techniques using modern SQL.\n-  Build a strong portfolio through consistency and exploration.\n\n---\n##  Solved SQL Problems\n\n Total Solved: **194** problems  \n (from **LeetCode** , **HackerRank** , **DataLemur** , and **SQL-Practice**)\n\n##  Contact With Me\n-  Email: keroloshany47@gmail.com\n-  [LinkedIn](https://www.linkedin.com/in/kerolos-hani-2519441b6/)\n-  [GitHub Portfolio](https://github.com/keroloshany47)\n","funding_links":[],"categories":[],"sub_categories":[],"project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fkeroloshany47%2Fsql_problems","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fkeroloshany47%2Fsql_problems","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fkeroloshany47%2Fsql_problems/lists"}