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Astrid Anggraeni portrait

IT graduate student focused on SQL and database architecture

I completed a SQL and database architecture externship with Breaking Games and I'm shifting my career toward data and databases.

Work samples

Portfolio items show SQL queries, schema design, and database architecture work completed during the Breaking Games externship and related academic projects.

  • SQL & Database Architecture Externship with Breaking Games
    SQL & Database Architecture Externship with Breaking Games
    Breaking Games logo

    Breaking Games · ✅ Verified by Extern · ⏱️ In progress

    SQL & Database Architecture Externship with Breaking Games

    Turn six messy CSVs into an analytics database and a Q4 dashboard that drives real business decisions. SQL + Claude.

    Analytics Database DesignData AnalysisSQL FundamentalsData Storytelling

About me

I completed a SQL and database architecture externship with Breaking Games and I'm shifting my career toward data and databases.

I am Astrid Anggraeni, an Information Technology graduate student exploring a career change. I have completed a SQL and database architecture externship with Breaking Games and I am building practical skills in data design and query work while pursuing a masters degree.

Externships

SQL & Database Architecture Externship with Breaking Games

In progress

Experience

Laboratory Technician

Eurofins Australia-New Zealand

Laboratory Assistant 20 Molecular Genetics Laboratory

Universitas Brawijaya

Quality Control Intern

Citra Kendedes Bakery

Education

Kaplan Business School, Sydney

Master of Information Technology 2011 Analytics · Class of "Present"

Universitas Brawijaya, Indonesia

Bachelor of Science in Biotechnology

Harbourside Institute of Australia, Sydney

Advanced Diploma of Business

Skills

SQLDatabase architectureData modelingQuery optimizationRelational databases

✅ Verified by Extern · ⏱️ In progress

SQL & Database Architecture Externship with Breaking Games

Turn six messy CSVs into an analytics database and a Q4 dashboard that drives real business decisions. SQL + Claude.

Analytics Database DesignData AnalysisSQL FundamentalsData Storytelling

Overview

The externship transformed six raw CSV data sources into an analytics-ready database and a Q4 dashboard. The work catalogued available tables, mapped fields and quality issues, and designed an ETL approach and schema for analytics. Deliverables included the consolidated schema and the dashboard-ready dataset.

SQL & Database Architecture Externship with Breaking Games

What I've accomplished

I produced a consolidated analytics schema, a week-one externship notebook with schema notes and query outputs, and five diagnostic SQL queries that answered routine revenue and traffic questions from the six sources.

Project breakdown

I documented the six data sources, pasted five SQL queries and their results answering routine revenue and traffic questions, and began a running externship notebook (Week 1) that recorded schema notes and query outputs.

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The project traced a fragmented customer journey, created a dim_product table with primary and foreign keys, joined sales, product, and referral tables using INNER and LEFT JOINs, and produced a product-level reorder recommendation from aggregated metrics.

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The project reviewed $37.2K in Meta spend and sales data, designed an 8-category channel taxonomy for 421 referrers, calculated CTR/CPC/ROI per campaign, and produced a Q4 allocation plan listing campaigns to keep, pause, or reallocate based on observed ROI and conversion metrics.

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During the externship I analyzed checkout data, identified suspicious carts (high quantities and timing anomalies), rebuilt a filtered view, and recalculated abandonment. The reported abandonment rate dropped from 91.2% to 50.8% after removing noise.

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