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CREATE TABLE random_uuids_table ( id SERIAL PRIMARY KEY, meta JSONB ); INSERT INTO random_uuids_table (meta) SELECT jsonb_agg(uuid_generate_v4()) FROM generate_series(1, 100 * 50) i group by i % 100 ; select *, jsonb_array_length(meta) from random_uuids_table limit 10 ; select count(*) from random_uuids_table ;

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