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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”