Full-text indexing

Full-text indexing is a technology that allows search engines and database systems to quickly find words or phrases within large collections of text, such as documents or articles. Instead of searching each document one by one, it creates an organized map (index) of all the words and where they appear. This allows for rapid retrieval of relevant information when you search for specific terms, making the process efficient even with vast amounts of text. Think of it as a detailed digital index in a book, but for entire collections of data.