database

Data Loss and Backup Management

Computer system issues can arise in any organization, including in a retail setting like "Fresh Retail. Data Loss and Backup Management Data is a valuable asset for businesses, and protecting it from loss or damage is critical for the continuit…

Scalable database

Strong and scalable database solutions are now essential in the age of big data and connected systems. Two cutting-edge technologies that solve the difficulties of maintaining data in complex and dynamic situations are distributed databases and clou…

Ý nghĩa và các kiểu Joins trong SQL

Trước khi vào vấn đề chính thì đầu tiên chúng ta cần phải hiểu join là gì trước ? Join là gì ? Trong SQL, Join là một thao tác kết hợp hai hoặc nhiều bảng dữ liệu để tạo thành một bảng duy nhất. Join được sử dụng để kết hợp dữ liệu từ các bảng khác…

Transaction In Database

Transaction is an important concept in database. According to Wikipedia database is an organized collection of data (also known as a data store) stored. To know basic of database, you can access a  blog . In this blog, we will learn about transactio…

Database Languages and Entity Relationship

Data Definition Language ( DDL )       DDL allows the DBA ( Database administrator ) or users to describe and name entities, attributes, and relationships required for the application plus any associated integrity and security constraints . Databas…

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