SELECT 

    id, client_id, service_id,

    json_extract(service_values, '$.quota') AS quota,

    json_extract(service_values, '$.free_quota') AS free_quota,

    json_extract(service_values, '$.total_accounts') AS total_accounts,

    json_extract(service_values, '$.data_transfer') AS data_transfer

FROM client_services;

SELECT json_clmn->'$.property' FROM table

SELECT 

    ID, CITY,

    json_extract(POPULATION_JSON_DATA, '$.male') AS POPL_MALE,

    json_extract(POPULATION_JSON_DATA, '$.female') AS POPL_FEMALE,

    json_extract(POPULATION_JSON_DATA, '$.other') AS POPL_OTHER

FROM TBL_JSON;

SELECT 

o_id, 

CONCAT(

    '{', 

    GROUP_CONCAT(

        CONCAT(

            '"',

            `attribute`,

            '":"',

            `value`,

            '"'

            )

        ),

    '}'

    ) json 

FROM t3 

GROUP BY o_id