BS ISO/IEC 19075-9:2022
信息技术 数据库语言SQL的使用指南 在线分析处理(OLAP)功能（指南/OLAP）

Information technology. Guidance for the use of database language SQL. Online analytic processing (OLAP) capabilities (Guide/OLAP)

标准号

BS ISO/IEC 19075-9:2022

发布

2023年

发布单位

英国标准学会

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BS ISO/IEC 19075-9:2022

 

 

适用范围

1   Scope 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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