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CREATE TABLE people("id" varchar(50), "data" jsonb,"firstName" text, "lastName" text)
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update people set data = to_jsonb(data) || ('{"firstName": "' || MD5('PostgreSQL MD5') || '", "lastName": "' || MD5('PostgreSQL MD5') || '"}')::jsonb where id = 'b3c09005-7afb-4ad6-922d-76078875e59e';
 hidden batch(es)