https://github.com/jdegand/data-lemur
Solutions for Data Lemur Practice Interview Questions
https://github.com/jdegand/data-lemur
data-lemur python sql
Last synced: about 1 year ago
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Solutions for Data Lemur Practice Interview Questions
- Host: GitHub
- URL: https://github.com/jdegand/data-lemur
- Owner: jdegand
- Created: 2024-06-06T03:22:06.000Z (almost 2 years ago)
- Default Branch: main
- Last Pushed: 2024-06-20T01:07:27.000Z (almost 2 years ago)
- Last Synced: 2025-01-22T09:12:39.502Z (about 1 year ago)
- Topics: data-lemur, python, sql
- Language: Python
- Homepage:
- Size: 34.2 KB
- Stars: 1
- Watchers: 1
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
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README
# Data Lemur
Unverified solutions for [Data Lemur](https://datalemur.com/) Practice Interview Questions.
## Useful Resources
- [Postgresql](https://www.postgresql.org/)
- [Materialize](https://materialize.com/docs/)
- [Data.world](https://docs.data.world/en/98581-get-started.html#UUID-cf164651-ff3c-3693-4ab8-05432fda8266)
- [Use the Index Luke](https://use-the-index-luke.com/)
- [SQL Format](https://sqlformat.org/)
- [SQL Formatter](https://www.dpriver.com/pp/sqlformat.htm)
- [Omni Calculator](https://www.omnicalculator.com/statistics/probability) - probability calculator
- [Stack Overflow](https://stackoverflow.com/questions/24929735/how-to-calculate-date-difference-in-postgresql) - how to calculate date difference in postgresql
- [Postgresql Tutorial](https://www.postgresqltutorial.com/postgresql-date-functions/postgresql-date_part/) - postgresql date part
- [Neon Tech](https://neon.tech/docs/introduction) - Neon is a serverless Postgres platform designed to help you build reliable and scalable applications faster.
- [FreeCodeCamp](https://www.freecodecamp.org/news/how-to-factorialize-a-number-in-javascript-9263c89a4b38/) - how to factorialize a number in javascript
- [Programiz](https://programiz.pro/ide/python) - Python Playground
- [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
- [Python](https://docs.python.org/3/library/stdtypes.html#str.rstrip) - rstrip
- [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
- [Scribbr](https://www.scribbr.com/statistics/pearson-correlation-coefficient/#:~:text=The%20Pearson%20correlation%20coefficient%20(r,the%20relationship%20between%20two%20variables.&text=When%20one%20variable%20changes%2C%20the,changes%20in%20the%20same%20direction)) - pearson correlation coefficient
- [Geeks for Geeks](https://www.geeksforgeeks.org/largest-sum-contiguous-subarray/) - largest sum contiguous subarray
- [Wikipedia](https://en.wikipedia.org/wiki/Maximum_subarray_problem) - Maximum subarray problem
- [Geeks for Geeks](https://www.geeksforgeeks.org/sql-using-clause/) - sql using clause
- [W3 Schools](https://www.w3schools.com/sql/func_sqlserver_cast.asp) - cast
- [Data Camp](https://www.datacamp.com/cheat-sheet/sql-window-functions-cheat-sheet) - sql window functions cheat sheet
- [SQL Shack](https://www.sqlshack.com/sql-server-data-type-conversion-methods-performance-comparison/) - sql server data type conversion methods performance comparison
- [High Touch](https://hightouch.com/sql-dictionary/sql-common-table-expression-cte) - sql common table expression cte
- [Scaler](https://www.scaler.com/topics/partition-by-in-sql/) - partition by in sql
- [Stack Overflow](https://stackoverflow.com/questions/7747327/sql-rank-versus-row-number) - sql rank versus row number
- [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
- [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
- [W3 Schools](https://www.w3schools.com/sql/func_sqlserver_left.asp) - func sqlserver left
- [DB Visualizer](https://www.dbvis.com/thetable/understanding-self-joins-in-sql/) - understanding self joins in sql
- [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
- [Modern SQL](https://modern-sql.com/feature/extract) - extract
- [Stack Overflow](https://stackoverflow.com/questions/1964544/timestamp-difference-in-hours-for-postgresql) - timestamp difference in hours for postgresql
- [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
- [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
- [Codeacademy](https://www.codecademy.com/resources/docs/sql/window-functions/lead) - lead
- [Medium](https://nphchi223.medium.com/daily-think-sql-lead-and-lag-for-consecutive-problems-1e6e1c4ca31) - daily think sql lead and lag for consecutive problems
- [Stack Overflow](https://stackoverflow.com/questions/5727882/check-if-two-selects-are-equivalent) - check if two selects are equivalent
- [hightouch](https://hightouch.com/sql-dictionary/sql-interval) - sql interval
- [cogniniti](https://www.coginiti.co/tutorials/intermediate/sql-date-formats/) - sql date formats