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Distributed-Database-for-E-commerce

In the proposed E-commerce distributed database, key tables include Users, Products, Categories, Orders, OrderDetails, Transactions, Reviews, Inventory, and Shipping, each serving a distinct purpose. The Users table stores registered user information, while Products and Categories manage product details and classifications. The Orders and OrderDetails tables track user orders and their contents, and Transactions record payment details for each order. The Reviews table captures user feedback on products, Inventory manages stock levels and locations, and Shipping monitors the delivery process for orders.

The project is divided into 6 parts and there is specific directory for each part including the deliverables.

Setup Instructions

Before starting with Part 1, follow these steps to create and configure your primary database:

  1. Create Primary Database:

    initdb -D /tmp/primary_db/

  2. Configure postgresql.conf for Networking:

  • Edit postgresql.conf in /tmp/primary_db/:
    • Set listen_addresses = '*'
    • Set port = 5433
  • Start the server: 
    pg_ctl -D /tmp/primary_db start

  1. Create a Replication User:

    create user repuser replication;

  2. AllowRemoteAccessin pg_hba.conf:

  • Add to pg_hba.conf: 
    host all repuser 127.0.0.1/32 trust

  1. Restart the PrimaryServer:

    pg_ctl -D /tmp/primary_db restart

  2. Configuring the Replica Server:

    pg_basebackup -h localhost -U repuser --checkpoint=fast -D /tmp/replica_db/ -R --slot=some_name -C --port=5433

  3. Update postgresql.conf in Replica Server:

    • In /tmp/replica_db/, set port = 5434

  4. Start Both Servers:

    • Stop both servers if they are running.
    • Execute server_start.py in the Part 1 folder.

Part 1: Design and Implementation of a Distributed Database System \

Tools: PostgreSQL Tasks - Schema design, Table creation, Data distribution, Data insertion and retrieval. It includes an Entity-Relation diagram to represent the proposed schema, attributes, keys and constraints.

Part 2: Fragmentation and Replication Techniques \

Tools: PostgreSQL Tasks - Horizontal and vertical fragmentation, Replication model

Part 3: Query Processing and Optimization Techniques \

Tools: PostgreSQL Tasks - Query optimization (Analyze and optimize data retrieval), distributed indexing (query performance)

Part 4: Distributed Transaction Management \

Tools: Tasks - Acid-compliant distributed transactions, concurrency control

Part 5: Distributed NoSQL Database Systems Implementation \

Tools: MongoDB, Docker Tasks - Data schema, Basic CRUD operations, sample queries with data retrieval operations

Part 6: A 3-Minute Video Demo \

https://asu.zoom.us/rec/share/XoDUKjzt76BRB4D6Ur5b86HzByoJBmTtGtGdfq0BzmwRbGVmEhVySULxTQcxZTuu.KeQtF9xsNrBzf6S- Passcode: *1hpb&Q4