Oracle updating a multiset collection speed dating event london uk
Just specify the attribute you want to update and its new value.
So instead of having to write the whole document, you can change just the department's value like this: update departments_json set department_data = json_mergepatch ( department_data, '' ) where department_id = 110 ; Of course, as part of this re-org you'll probably need to merge in the Finance employees too. To patch an array, you have to replace the whole thing.
These properties make JSON an ideal data-interchange language Notice how data-interchange appears twice? Personally I think traditional relational tables should be the default choice for data storage.
Taking JSON input and it storing as-is in your database should be the last resort. Or 32,767 bytes if you have enabled extended data types.
If you've gone with BLOB, add text-to-binary conversion: insert into departments_jsonjson values ( 110, utl_raw.cast_to_raw ( '' )); If you've added the IS JSON constraint, the database will also reject anything that's not real JSON: insert into departments_json values ( 100, utl_raw.cast_to_raw ( ' Random junk' ) ); ORA-02290: check constraint (CHRIS. But what if you want to edit part of a document saved in your table?
It's the de facto standard for document exchange.
So it's likely you'll want to send and receive JSON documents from and to your database. Oracle Database has a huge amount of functionality that makes this easy.
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