Union vs union all

29 Dec, 2024

Most Frequently asked database Interview Questions (2024)

A database is an organized collection of structured data that is stored and managed electronically. It is designed to handle large volumes of information in a way that is efficient, secure, and accessible. Databases allow for the easy storage, retrieval, modification, and management of data. They are essential for applications ranging from small websites to large enterprise systems.

27 Dec, 2024

Most Frequently asked sql-server Interview Questions (2024)

SQL Server is a relational database management system (RDBMS) developed by Microsoft. It is used to store, retrieve, and manage data in a structured format, primarily using Structured Query Language (SQL) to query and manipulate the data. SQL Server is widely used in enterprise environments for various applications, from small business applications to large-scale enterprise systems, supporting OLTP (Online Transaction Processing) as well as OLAP (Online Analytical Processing).