SQL Database
What is SQL? SQL stands for "Structured Query Language". It is standardized programming language specifically designed for managing and manipulating relational databases. It is used to perform variety of tasks such as querying, inserting, updating and deleting data, as well as managing database structures like creating modifying and deleting tabled. It is a language used to communicate with database like MYSQL, Microsoft SQL Server, DB2 etc. What is database? Database is organized collection of structured data for easy access of management. It is usually a collection of one or more tables and tables contain data rows and columns. Key concepts of a Database 1. Data Organization: Database organize data into tables, which are similar to spreadsheets. In the database each table contains rows (records) and columns (fields), where each column represents a specific attribute of the data and each raw represents a single record. ...