Drop procedure if exists
BigQuery
Db2 (LUW)
MariaDB
MySQL
Oracle DB
PostgreSQL
SQL Server
SQLite
2005
2007
2009
2011
2013
2015
2017
2019
2021
✓ 2017+
✓ 11+
⊘ 11gR1 - 21c
✓ 5.0+
✓ 5.1+
⊘ 11.1 - 11.5.8
✓ 2.0+