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Queries are requests for information or data. In the context of databases and information retrieval, a query is a specific instruction or question used to search for, retrieve, or manipulate data. Queries are commonly used in various fields, including computer science, databases, and search engines. Here are a few different contexts in which queries are used: Database Queries: In database management systems, a query is a structured request for information from a database. SQL (Structured Query Language) is commonly used to create and execute queries to retrieve, insert, update, or delete data in a database. A typical database query might request all the customers who have made a purchase in the last month or update the price of a specific product. Web Search Queries: When you use a search engine like Google, you enter a search query, which is a set of keywords or a question. The search engine then retrieves and ranks web pages and other online content based on their relevance to your query.

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