Data Retrieval and Storage:
- MySQL is designed to efficiently store and retrieve data. It allows users to create, modify, and query databases to manage large sets of structured information.
- Data retrieval is the process of extracting information from a database. SQL (Structured Query Language) is a powerful tool commonly used to retrieve data from relational databases.
- This documentation provides an overview of the data retrieval process with SQL, covering essential concepts and techniques.
Database Basics
USE database_name: Selects a database to work with.SELECT FROM table_name: Retrieves all columns and rows from a table.SELECT specific_columns FROM table_name: Fetches only specified columns.WHERE clause: Filters results based on certain conditions.ORDER BY clause: Sorts results in ascending or descending order.DISTINCT keyword: Eliminates duplicate rows.