Showing posts with the label Data Integrity

Design a database schema for an online merch store

Designing a database schema for an online merchandise store involves considering various entities and their relationships. 1. Entities: A. Users: - UserID (Primary Key) - Username - Password - Email - Address - Phone number B. Products: - ProductID (Primary Key) - Name - Description - Price - CategoryID (Foreign Key) C. Categories: - CategoryID (Primary Key) - Name D. Orders: - OrderID (Primary Key) - UserID (Foreign Key) - OrderDate - TotalPrice E. OrderItems: - OrderItemID (Primary Key) - OrderID (Foreign Key) - ProductID (Foreign Key) - Quantity - Price 2. Relationships : - Each user can have multiple orders, but each order belongs to only one user. (One-to-Many relationship between Users and Orders) - Each order can contain multiple items, and each item can belong to multiple orders. (Many-to-Many relationship between Orders

Comparative Analysis of File Systems: NTFS vs. FAT32 vs. exFAT in Operating Systems

File systems play a crucial role in organizing and managing data on storage devices within an operating system. In this comparative analysis, we'll explore three commonly used file systems: NTFS (New Technology File System), FAT32 (File Allocation Table 32), and exFAT (Extended File Allocation Table). We'll examine their features, advantages, limitations, and suitability for various use cases. NTFS (New Technology File System): NTFS is the default file system for modern Windows operating systems. It offers several advanced features, including: Support for large file sizes and partitions: NTFS can handle individual file sizes up to 16 exabytes and partitions up to 256 terabytes. File and folder permissions: NTFS supports access control lists (ACLs), allowing fine-grained control over who can access and modify files. Journaling: NTFS uses a journaling mechanism to track changes made to the file system, enhancing reliability and facilitating faster recovery in case of system cras