
Contributed to the Hyubbbb/FLY_PCSQL repository by developing SQL-based features focused on data querying, analytics, and repository maintainability. Delivered member data queries with advanced filtering and date formatting, as well as scripts to aggregate and rank offline product sales, enabling targeted insights and sales analysis. Implemented mock exam SQL queries that combined and transformed post data and identified the most frequent algorithm types through grouping and ordering. Maintained repository hygiene by standardizing file naming conventions, reducing onboarding friction and supporting maintainability. Demonstrated proficiency in SQL, database management, and file management while emphasizing reliable data processing and organized code structure.
February 2025 monthly summary for Hyubbbb/FLY_PCSQL. Focused on delivering data-oriented features for PCSQL mock exams and improving repository hygiene. No major bug fixes recorded this month; emphasis was on reliable test-data generation and maintainability.
February 2025 monthly summary for Hyubbbb/FLY_PCSQL. Focused on delivering data-oriented features for PCSQL mock exams and improving repository hygiene. No major bug fixes recorded this month; emphasis was on reliable test-data generation and maintainability.
Month: 2025-01 – Hyubbbb/FLY_PCSQL Key features delivered: - Member Data Query with Filters: Adds a SQL query to select member information based on gender, birth month, and presence of a phone number; also formats date of birth for output. - Product Offline Sales Ranking Script: Adds a SQL script to calculate and rank offline sales per product by joining product and offline sale data, aggregating sales amounts, and ordering by total sales. Major bugs fixed: - Repository Maintenance: Rename Week 1 SQL File: Renames the SQL file from 'Na-young/na0_Week_1_problem_1.sql' to 'Na-young/Week_1_problem_1.sql' to fix file naming inconsistency; no code logic changed. Overall impact and accomplishments: - Improved data accessibility for targeted member insights and data-driven offline sales analysis; standardized repository naming to reduce onboarding friction and maintenance overhead. Technologies/skills demonstrated: - SQL querying, data filtering, and DOB formatting; data joining and aggregation; script-based analytics; repository hygiene and version-control discipline.
Month: 2025-01 – Hyubbbb/FLY_PCSQL Key features delivered: - Member Data Query with Filters: Adds a SQL query to select member information based on gender, birth month, and presence of a phone number; also formats date of birth for output. - Product Offline Sales Ranking Script: Adds a SQL script to calculate and rank offline sales per product by joining product and offline sale data, aggregating sales amounts, and ordering by total sales. Major bugs fixed: - Repository Maintenance: Rename Week 1 SQL File: Renames the SQL file from 'Na-young/na0_Week_1_problem_1.sql' to 'Na-young/Week_1_problem_1.sql' to fix file naming inconsistency; no code logic changed. Overall impact and accomplishments: - Improved data accessibility for targeted member insights and data-driven offline sales analysis; standardized repository naming to reduce onboarding friction and maintenance overhead. Technologies/skills demonstrated: - SQL querying, data filtering, and DOB formatting; data joining and aggregation; script-based analytics; repository hygiene and version-control discipline.

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