is [not] json
predicate
BigQuery
Db2 (LUW)
MariaDB
MySQL
Oracle DB
PostgreSQL
SQL Server
SQLite
2009
2011
2013
2015
2017
2019
2021
⊘ 3.5.7 - 3.43.0
a
⊘ 2008R2 - 2022
✓ 16+
c
⊘ 8.3 - 15
⚠ 12cR1 - 21c
b
c
⊘ 11gR1 - 11gR2
⊘ 5.0 - 8.0.34
⊘ 5.1 - 10.11
⊘ 9.7 - 11.5.8
⊘ 2.0
See JSON1 extension
No type constraints:
is json
[ value | array | object | scalar ]
Also
unique keys
(T822)