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Yahoo! Query Language (YQL) is an SQL-like query language created by Yahoo! as part of their Developer Network. YQL is designed to retrieve and manipulate data from APIs through a single Web interface, thus allowing mashups that enable developers to create their own applications. Initially launched in October 2008 with access to Yahoo APIs, February 2009 saw the addition of open data tables from third parties such as Google Reader, the ''Guardian'', and ''The New York Times''.〔 Some of these APIs still require an API key to access them. On April 29 of 2009, Yahoo introduced the capability to execute the tables of data built through YQL using JavaScript run on the company's servers for free. ==Rate Limits== Use of the YQL should not exceed reasonable request volume.〔(【引用サイトリンク】url=https://developer.yahoo.com/yql/ )〕 Access is limited as below: * Per application limit (identified by your Access Key): 100,000 calls per day * Per IP limits: /v1/public/ *: 2,000 calls per hour; /v1/yql/ *: 20,000 calls per hour 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Yahoo! Query Language」の詳細全文を読む スポンサード リンク
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