[lead|lag](… ignore nulls )
BigQuery
Db2 (LUW)
DuckDB
H2
MariaDB
MySQL
Oracle DB
PostgreSQL
SQL Server
SQLite
2009
2011
2013
2015
2017
2019
2021
2023
2025
11gR2 - 23.26.1
1.0.0 - 1.4.0