ISO/IEC TR 19075-9:2020 信息技术数据库语言 数据库语言SQL的使用指南 第9部分:联机分析处理(OLAP)能力
标准编号:ISO/IEC TR 19075-9:2020
中文名称:信息技术数据库语言 数据库语言SQL的使用指南 第9部分:联机分析处理(OLAP)能力
英文名称:Information technology database languages — Guidance for the use of database language SQL — Part 9: Online analytic processing (OLAP) capabilities
发布日期:2020-09
标准范围
本文档讨论了在SQL中包含在线分析处理(OLAP)功能的语法和语义,如ISO/IEC 9075-2中所定义。它讨论了SQL语言的OLAP功能的以下特性:-功能T611,“基本OLAP操作”,-功能T612,“高级OLAP操作”,-特征T614,“NTILE功能”,-功能T615,“超前和滞后功能”,-特征T616,“超前和滞后功能的无效治疗选项”,-特征T617,“FIRST_VALUE和LAST_VALUE函数”,-特征T618,“NTH_VALUE函数”,-特征T619,“嵌套窗口函数”,-特征T620,“窗口子句:组选项”,-功能T621,“增强型数值功能”。
This document discusses the syntax and semantics for including online analytic processing (OLAP) capabilities in SQL, as defined in ISO/IEC 9075-2.
It discusses the following features regarding OLAP capabilities of the SQL language:
- Feature T611, "Elementary OLAP operations",
- Feature T612, "Advanced OLAP operations",
- Feature T614, "NTILE function",
- Feature T615, "LEAD and LAG functions",
- Feature T616, "Null treatment option for LEAD and LAG functions",
- Feature T617, "FIRST_VALUE and LAST_VALUE functions",
- Feature T618, "NTH_VALUE function",
- Feature T619, "Nested window functions",
- Feature T620, "WINDOW clause: GROUPS option",
- Feature T621, "Enhanced numeric functions".
标准预览图


