istanbul yaşam analizi
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Aug 13, 2026 - Python
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sql-window-functions
Here are 8 public repositories matching this topic...
SQL problem-solving practice and interview solutions from LeetCode.
sql-queries sql-subqueries sql-group-by sql-joins sql-join-queries sql-aggregated-function sql-window-functions
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Oct 28, 2026
This repository contains a collection of SQL scripts I developed to demonstrate a range of analytical techniques, including exploratoray-data analysis, time-series analysis, cumulative analysis, performance analysis, data segmentation, and part-to-whole analysis.
data sql sql-server reporting sql-query business-intelligence data-analytics data-analysis business-analytics sql-window-functions
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Sep 18, 2026 - TSQL
Learn how to execute core SQL commands to define, select, manipulate, control access, aggregate, and join data and data tables. Understand when and how to use subqueries, several window functions, and partitions to complete complex tasks. Clean data, optimize SQL queries and write select advanced JOINs to enhance analysis performance.
sql-database temporary-tables sql-aggregation sql-subqueries sql-data-analysis sql-data-cleaning basic-sql sql-joins sql-advanced sql-window-functions sql-performance-tuning
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Nov 6, 2026
The ultimate 500+ data science tricks platform by Aman Vishwakarma (BeginnerAman). Features flashcards, 10-stage Data Analyst framework & 8-stage ML pipeline.
python data-science machine-learning roadmap sql flashcards numpy scikit-learn pandas data-engineering cheatsheet data-analysis matplotlib aman av data-cleaning ak aman-vishwakarma sql-window-functions beginneraman
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Sep 23, 2026 - HTML
An automated, high-performance ETL engine using DuckDB and advanced SQL window functions to calculate customer cohort retention and Lifetime Value (LTV) across millions of rows in milliseconds.
python data-engineering ltv cohort-analysis etl-pipeline lifetime-value analytics-engineering duckdb retention-metrics sql-window-functions
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Oct 2, 2026 - Jupyter Notebook
Workqueue analytics that replays WQ event logs with SQL window functions to measure aging and first-pass yield, and detects ping-pong claims bouncing between queues under conflicting routing rules. 1.0 precision/recall on labeled victims, 1.1M events analyzed in 7s, with a generated daily ops packet (Excel + PDF).
python sql excel event-sourcing data-analytics process-mining duckdb healthcare-analytics healthcare-it revenue-cycle-management operational-reporting sql-window-functions hospital-billing workqueue-management
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Jul 16, 2026 - Python
Applied MySQL to solve business problems.
mysql sql exploratory-data-analysis data-analytics data-analysis data-analyst regular-expressions data-cleaning data-quality business-analytics customer-analytics mysql-query-builder sales-analytics sql-subqueries sql-project mysql-queries retail-analytics sql-import-script sql-joins sql-window-functions
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Nov 4, 2026
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