database-development

Get Oracle Application Express — a software development tool for Windows with free download. Build dynamic web applications, manage databases, and load data from spreadsheets effortlessly. Download the latest release.

Oracle Application Express is a free full-version software development tool for Windows that allows you to create dynamic web applications with ease. Utilize the Application Builder and SQL Workshop for seamless database management. Download and install in minutes.

Short, practical SQL tips, query patterns, and database tooling insights designed to help developers and DBAs solve real database problems faster.

A collection of MySQL and SQL learning exercises, practice tasks, and database concepts shared on LinkedIn.

Oracle PL/SQL portfolio showcasing advanced SQL, database development, performance tuning, ETL/data migration, and Python/FastAPI integration.

PostgreSQL development lab focused on PL/pgSQL, functions, procedures, triggers, JSONB, business rules, validation, auditing, and error handling.

A collection of enterprise-grade database solutions built with Oracle SQL. Features include 3NF schema design, PL/SQL automation (Triggers/Procedures), and successful schema migrations via Data Pump (EXPDP/IMPDP).

Academic projects in Java programming, data structures and algorithms, and MySQL database development, documenting my foundations in computer science.

Practical SQL Server scripts, checklists and T-SQL patterns for database-heavy backend development.

High-performance PL/SQL engine for bulk salary updates with professional error handling and audit logging.

LSM‑tree KV store in Rust with WAL, bloom filters, compaction. Bench: ~15k reads/s · ~10.5k writes/s (single‑thread, localhost).

System 1: Little Lemon Restaurant Database System (Python client functionalities) | System 2: Global Super Store Data System for data collection, advanced data modeling, reporting, and analytics.

I am a Senior Data Engineer.

y2021 - Felsineo - SQL and Batch scripts export traceability data from the Felsineo (mortadella) and FelsineoVeg (vegan products) databases into an Excel output file and then upload them to an SFTP so that the recipient service can process the files

y2021 - Felsineo - SQL Server Reporting Services (SSRS) reports in Felsineo Company environment

Created a database for a fictitious restaurant with stored procedures for data retrieval and connection pools to handle requests .

Database Engineering Capstone Project: Database development and data analysis for a fictitious restaurant

Glasgow is a flexible, modular, and lightweight .NET library designed to simplify the development of in-memory databases, data manipulation engines, and query interpreters.

Lightweight SQL tool with Monaco editor, natural language queries, and dark mode. Built with PHP for MySQL databases.