ISO/IEC 19075-9:2022 信息技术 数据库语言SQL的使用指南 第9部分:联机分析处理(OLAP)能力(指南/OLAP)

标准编号:ISO/IEC 19075-9:2022

中文名称:信息技术 数据库语言SQL的使用指南 第9部分:联机分析处理(OLAP)能力(指南/OLAP)

英文名称:Information technology — Guidance for the use of database language SQL — Part 9: Online analytic processing (OLAP) capabilities (Guide/OLAP)

发布日期:2022-10

标准范围

ISO/IEC 19075-9:20 22本文档讨论了包含在线分析处理(OLAP)功能的语法和语义在SQL中,如ISO/IEC 9075-2中定义的。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”

ISO/IEC 19075-9:2022 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”

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