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Many simple queries can be run directly using the tools built into the MediaWiki package used by Wikipedia. Some of the most popular and useful queries are run regularly and can be found at Wikipedia:Database reports .
This is a page for requesting one-off database queries for certain criteria. Users who are interested and able to perform SQL queries on the projects can provide results from the Quarry website. You may also be interested in the following:
Wikipedia uses a powerful search engine, with a search box on every page. The search box will navigate directly to a given page name upon an exact match. But, you can force it to show you other pages that include your search string by including a tilde character ~ anywhere in the query. The maximum search string is 300 characters long.
If a query scans millions of rows, consider breaking it into multiple queries. Query time versus number of rows increases exponentially, not linearly. Indexes - Check the documentation on MediaWiki wiki for each database table. There is a list of indexes. Pay attention to what those are, since you'll want to try to search only those fields.
A search is a query with one or more terms. The query does not actually search the page database, but rather, a search queries a prebuilt, constantly maintained, search index database. When creating the search index of words on the wiki, or when entering a query, a word boundary is greyspace. Greyspace characters can create a multi-word_phrase ...
Wikipedia offers free copies of all available content to interested users. These databases can be used for mirroring, personal use, informal backups, offline use or database queries (such as for Wikipedia:Maintenance).
Query, a precise request for information retrieval made to a database, data structure or information system Query language, a computer language used to make queries into databases and information systems; Query string, in the World Wide Web, is an optional part of a URL; Web search query, a query entered by users into web search engines
The Wikipedia web API accepts queries by URL. [5] One way to send a query to the API is by creating an external link (§ External links). For example, using an external link very much like a search link, you can send the API a request to list the link properties of "wp:example". It should interpret it correctly as "Wikipedia:Example", pageid ...