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What is query in SQL explain with example?

A query is a request for data or information from a database table or combination of tables. This data may be generated as results returned by Structured Query Language (SQL) or as pictorials, graphs or complex results, e.g., trend analyses from data-mining tools. 24 авг. 2020 г.


What is query in SQL with example?

Structured Query Language (SQL) is a specialized language for updating, deleting, and requesting information from databases. SQL is an ANSI and ISO standard, and is the de facto standard database query language.

What is query define with example?

transitive verb. 1 : to ask questions of especially with a desire for authoritative information. 2 : to ask questions about especially in order to resolve a doubt. 3 : to put as a question. 4 : to mark with a query.

What is an example of a query in database?

An example of SQL query. In a relational database, which contains records or rows of information, the SQL SELECT statement query allows users to choose data and return it from a database to an application. The resulting query is stored in a result table, which is called a result-set.

What is a query in a database?

A query can either be a request for data results from your database or for action on the data, or for both. A query can give you an answer to a simple question, perform calculations, combine data from different tables, add, change, or delete data from a database.

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