As a domain expert in database management and web development, I can tell you that SQL, which stands for Structured Query Language, is used in a variety of contexts where data manipulation and retrieval are essential. Here's where you might use SQL: 1. Database Management: SQL is the standard language for interacting with a Relational Database Management System (RDBMS) like MySQL, PostgreSQL, Oracle, or Microsoft SQL Server. It's used to perform a wide range of tasks, from simple data retrieval to complex data manipulation and analysis. 2. Web Development: As mentioned in your reference, SQL is crucial for web developers. It's used to fetch and display data from a database on a website. For example, when you want to show a list of products on an e-commerce site or user comments on a blog, you would use SQL queries to retrieve this data from the database. 3. Data Analysis: SQL is used to analyze and make sense of large datasets. Businesses and researchers use SQL to extract insights from data stored in databases. 4. Application Development: In software development, SQL is used to create, modify, and delete data within the application's database. It's also used for defining relationships between different data types and ensuring data integrity. 5. Data Reporting: SQL is used to generate reports by querying a database for specific information. This is common in business intelligence applications where reports are generated to inform decision-making. 6. Data Migration and Transfer: When moving data from one database to another, SQL can be used to export data and import it into a new system. 7. Data Cleaning and Transformation: SQL can be used to clean and transform data, making it more useful for analysis or for loading into another system. 8. Automation Scripts: SQL scripts can be used to automate repetitive tasks such as data backups, updates, and maintenance operations. In summary, SQL is a versatile language that is widely used across different industries and applications where data is a critical component. read more >>

To build a web site that shows data from a database, you will need:An RDBMS database program (i.e. MS Access, SQL Server, MySQL)To use a server-side scripting language, like PHP or ASP.To use SQL to get the data you want.To use HTML / CSS to style the page.read more >>