Definition of query noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. A query is a question, especially one that you ask an organization, publication, or expert. If you have any queries about this insurance, please contact our call center. Give AI the data foundation it requires. Query makes your security data operational wherever it lives. No migration required. We now live in a distributed world. Security-relevant data is distributed across dozens of sources: SIEMs, data lakes, endpoint, identity, network tools, IT systems and more. Of security data lives in the SIEM. In general, a query is a form of questioning, in a line of inquiry. Query may also refer to: QUERY definition: 1. a question, often expressing doubt about something or looking for an answer from an authority…. Learn more. Learn what a query is, how it works in databases and search engines, plus query types and languages like SQL with clear, simple examples. Dataframe.query () method only works if the column name doesn't have any empty spaces. So before applying the method, spaces in column names are replaced with '_'. The meaning of QUERY is question, inquiry. How to use query in a sentence. Synonym Discussion of Query. Keep track of what you watch Watch history isn't viewable when signed out. Learn more. query , inquiry, enquiry - A query is a single question; an inquiry (or enquiry) may be a single question or extensive investigation (i.e. a series of questions).