Query Parameter

Definitions

1. A key-value pair appended to a URL after the ? character (e.g., ?page=2&sort=name) used to pass data to a server in an HTTP GET request. Multiple parameters are separated by & and values are percent-encoded. In database contexts, it can also refer to a parameterized placeholder in a prepared statement.

   In plain English: The extra information tacked onto the end of a web address after the question mark, like ?color=blue, that tells the server what you want.

   Example: "The search page reads the q query parameter from the URL so users can bookmark and share filtered results."

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