{"id":21307369,"url":"https://github.com/jdegand/data-lemur","last_synced_at":"2025-03-15T19:49:08.660Z","repository":{"id":242990052,"uuid":"811150814","full_name":"jdegand/data-lemur","owner":"jdegand","description":"Solutions for Data Lemur Practice Interview Questions","archived":false,"fork":false,"pushed_at":"2024-06-20T01:07:27.000Z","size":35,"stargazers_count":1,"open_issues_count":0,"forks_count":0,"subscribers_count":1,"default_branch":"main","last_synced_at":"2025-01-22T09:12:39.502Z","etag":null,"topics":["data-lemur","python","sql"],"latest_commit_sha":null,"homepage":"","language":"Python","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/jdegand.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}},"created_at":"2024-06-06T03:22:06.000Z","updated_at":"2024-12-09T15:37:13.000Z","dependencies_parsed_at":"2024-06-20T13:26:57.876Z","dependency_job_id":null,"html_url":"https://github.com/jdegand/data-lemur","commit_stats":null,"previous_names":["jdegand/data-lemur"],"tags_count":0,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/jdegand%2Fdata-lemur","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/jdegand%2Fdata-lemur/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/jdegand%2Fdata-lemur/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/jdegand%2Fdata-lemur/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/jdegand","download_url":"https://codeload.github.com/jdegand/data-lemur/tar.gz/refs/heads/main","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":243784103,"owners_count":20347409,"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","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":["data-lemur","python","sql"],"created_at":"2024-11-21T16:31:37.418Z","updated_at":"2025-03-15T19:49:08.636Z","avatar_url":"https://github.com/jdegand.png","language":"Python","readme":"# Data Lemur\n\nUnverified solutions for [Data Lemur](https://datalemur.com/) Practice Interview Questions.\n\n## Useful Resources\n\n- [Postgresql](https://www.postgresql.org/)\n- [Materialize](https://materialize.com/docs/)\n- [Data.world](https://docs.data.world/en/98581-get-started.html#UUID-cf164651-ff3c-3693-4ab8-05432fda8266)\n- [Use the Index Luke](https://use-the-index-luke.com/)\n- [SQL Format](https://sqlformat.org/)\n- [SQL Formatter](https://www.dpriver.com/pp/sqlformat.htm)\n- [Omni Calculator](https://www.omnicalculator.com/statistics/probability) - probability calculator\n- [Stack Overflow](https://stackoverflow.com/questions/24929735/how-to-calculate-date-difference-in-postgresql) - how to calculate date difference in postgresql\n- [Postgresql Tutorial](https://www.postgresqltutorial.com/postgresql-date-functions/postgresql-date_part/) - postgresql date part\n- [Neon Tech](https://neon.tech/docs/introduction) - Neon is a serverless Postgres platform designed to help you build reliable and scalable applications faster.\n- [FreeCodeCamp](https://www.freecodecamp.org/news/how-to-factorialize-a-number-in-javascript-9263c89a4b38/) - how to factorialize a number in javascript\n- [Programiz](https://programiz.pro/ide/python) - Python Playground\n- [Stack Overflow](https://stackoverflow.com/questions/8593355/how-do-i-count-the-trailing-zeros-in-integer) - how do i count the trailing zeros in integer\n- [Python](https://docs.python.org/3/library/stdtypes.html#str.rstrip) - rstrip\n- [Stack Overflow](https://stackoverflow.com/questions/51716916/built-in-module-to-calculate-the-least-common-multiple) - built in module to calculate the least common multiple\n- [Scribbr](https://www.scribbr.com/statistics/pearson-correlation-coefficient/#:~:text=The%20Pearson%20correlation%20coefficient%20(r,the%20relationship%20between%20two%20variables.\u0026text=When%20one%20variable%20changes%2C%20the,changes%20in%20the%20same%20direction)) - pearson correlation coefficient\n- [Geeks for Geeks](https://www.geeksforgeeks.org/largest-sum-contiguous-subarray/) - largest sum contiguous subarray\n- [Wikipedia](https://en.wikipedia.org/wiki/Maximum_subarray_problem) - Maximum subarray problem\n- [Geeks for Geeks](https://www.geeksforgeeks.org/sql-using-clause/) - sql using clause\n- [W3 Schools](https://www.w3schools.com/sql/func_sqlserver_cast.asp) - cast\n- [Data Camp](https://www.datacamp.com/cheat-sheet/sql-window-functions-cheat-sheet) - sql window functions cheat sheet\n- [SQL Shack](https://www.sqlshack.com/sql-server-data-type-conversion-methods-performance-comparison/) - sql server data type conversion methods performance comparison\n- [High Touch](https://hightouch.com/sql-dictionary/sql-common-table-expression-cte) - sql common table expression cte\n- [Scaler](https://www.scaler.com/topics/partition-by-in-sql/) - partition by in sql\n- [Stack Overflow](https://stackoverflow.com/questions/7747327/sql-rank-versus-row-number) - sql rank versus row number\n- [Medium](https://medium.com/@pradeepchandrareddy95/how-to-calculate-mode-in-sql-how-to-find-most-frequent-value-in-a-column-b3f913fdeb1e) - how to calculate mode in sql how to find most frequent value in a column\n- [Stack Overflow](https://stackoverflow.com/questions/39045856/compare-phone-numbers-of-multiple-formats-in-sql-server) - compare phone numbers of multiple formats in sql server\n- [W3 Schools](https://www.w3schools.com/sql/func_sqlserver_left.asp) - func sqlserver left\n- [DB Visualizer](https://www.dbvis.com/thetable/understanding-self-joins-in-sql/) - understanding self joins in sql\n- [Stack Overflow](https://stackoverflow.com/questions/2758415/swap-values-for-two-rows-in-the-same-table-in-sql-server) - swap values for two rows in the same table in sql server\n- [Modern SQL](https://modern-sql.com/feature/extract) - extract\n- [Stack Overflow](https://stackoverflow.com/questions/1964544/timestamp-difference-in-hours-for-postgresql) - timestamp difference in hours for postgresql\n- [Stack Overflow](https://stackoverflow.com/questions/76519948/sql-query-to-maximize-storage-capacity-in-a-warehouse-for-prime-and-non-prime-it) - sql query to maximize storage capacity in a warehouse for prime and non-prime\n- [Stack Overflow](https://stackoverflow.com/questions/33011523/how-to-use-multiple-columns-in-partition-by-and-ensure-no-duplicate-row-is-retur) - how to use multiple columns in partition by and ensure no duplicate row is retur\n- [Codeacademy](https://www.codecademy.com/resources/docs/sql/window-functions/lead) - lead\n- [Medium](https://nphchi223.medium.com/daily-think-sql-lead-and-lag-for-consecutive-problems-1e6e1c4ca31) - daily think sql lead and lag for consecutive problems\n- [Stack Overflow](https://stackoverflow.com/questions/5727882/check-if-two-selects-are-equivalent) - check if two selects are equivalent\n- [hightouch](https://hightouch.com/sql-dictionary/sql-interval) - sql interval\n- [cogniniti](https://www.coginiti.co/tutorials/intermediate/sql-date-formats/) - sql date formats\n","funding_links":[],"categories":[],"sub_categories":[],"project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fjdegand%2Fdata-lemur","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fjdegand%2Fdata-lemur","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fjdegand%2Fdata-lemur/lists"}