$ ? (@.keyvalue().key == "k2")
Db2 (LUW)
DuckDB
MariaDB
Oracle DB
PostgreSQL
SQLite
2015
2017
2019
2021
2023
2025
⊘ 3.5.7 - 3.51.0
✓ 12 - 18
⊘ 9.4 - 11
⊘ 11gR1 - 23.26.1
⚡ 10.2 - 12.2.2
a
⊘ 5.1 - 10.1
⚡ 1.0.0 - 1.4.0
a
⚡ 11.5.0 - 12.1.3
a
⊘ 9.7 - 11.1
⚡Liefert
null