exists

String(s) representing JSON path/keys that match fields to check for existing data. If none are provided, the root context item '$' will be used by default. Note: Multiple path arguments are not supported by all vendors; please check the documentation. It is bound as a query parameter, except on Oracle, where it is written into the statement as a string literal with its single quotes escaped, because Oracle requires a JSON path to be a literal. Either way it is treated as data, so it must be passed as is, without being escaped on the client side.

String representing any optional vendor-specific clause or argument. Note: optional function arguments are not supported by all vendors; please check the documentation. It is bound as a query parameter on PostgreSQL, and must be either one or all on MySQL and MariaDB. On Oracle it is a clause of the function and is appended to the statement as is, without being escaped, so it must never contain user input there.