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📊 Employee Performance Management System

A robust, high-performance command-line interface (CLI) application written in C. This system manages employee records using dynamic memory scaling, automated performance analytics, and dual-mode data persistence.

🚀 Key Features

  • Modular CRUD Engine: Seamlessly add, update, search, and remove records.
  • Dynamic Data Management: Uses malloc and realloc for efficient memory scaling—tested with 1,000+ entries.
  • Performance Scoring: Automatically ranks employees using a weighted algorithm:
    • $Score = (0.3 \times \text{Experience}) + (0.7 \times \frac{\text{Salary}}{1000})$
  • Dual Persistence: * Binary: Fast I/O via employees.dat.
    • SQL Export: Generates an employees.sql script for database migration.
  • Search & Analytics: Case-insensitive search and qsort performance ranking.

🛠 Technical Stack

  • Language: C (C99/C11)
  • Concepts: Pointer Manipulation, File I/O, Dynamic Arrays, String Sanitization
  • Tools: GCC Compiler, Linux Terminal/WSL

📂 Project Structure

Component Responsibility
main.c Core logic and memory management
employees.dat Binary storage for session persistence
employees.sql SQL export (generated on exit)

⚙️ Installation & Usage

  1. Clone the repository: 
    git clone [https://github.com/YOUR_USERNAME/YOUR_REPO_NAME.git](https://github.com/YOUR_USERNAME/YOUR_REPO_NAME.git)
cd YOUR_REPO_NAME
  2. Run and compile the Application: 
    gcc -o employee_manager main.c
./employee_manager