Information technology database languages. Guidance for the use of database language SQL - Online analytic processing (OLAP) capabilities Ingestion-build-105964 BS EN 502 specifies requirements

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Information technology database languages. Guidance for the use of database language SQL - Online analytic processing (OLAP) capabilities Ingestion-build-105964 BS EN 502 specifies requirements1 Scope This document discusses the syntax and semantics for including online analytic processing (OLAP) capabilities in SQL, as defined in ISO IEC 90752. 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,