PERCENTILE_x(p) WITHIN GROUP(…) OVER…
BigQuery
Db2 (LUW)
MariaDB
MySQL
Oracle DB
PostgreSQL
SQL Server
SQLite
2005
2007
2009
2011
2013
2015
2017
2019
2021
⊘ 3.5.7 - 3.41.0
✓ 2017+
⊘ 2008R2
⊘ 8.3 - 15
✓ 11gR1+
⊘ 5.0 - 8.0.32
✓ 10.3+
⊘ 5.1 - 10.2
✓ 11.1+
⊘ 9.7 - 10.5
⊘ 2.0