Json Format { "DATA":{ "PARAM1":"123123", "PARAM2":"TEST", "PARAM3":{ "PARAM4":"0", "PARAM5":6000 } } } Json data ์ค PARAM1 ๊ฐ ์ถ๋ ฅ SELECT JSON_EXTRACT(DATA.STR, '$.DATA.PARAM1') AS PARAM1 FROM ( SELECT '{ "DATA":{ "PARAM1":"123123", "PARAM2":"TEST", "PARAM3":{ "PARAM4":"0", "PARAM5":6000 } } }' AS STR FROM DUAL ) DATA Json data ์ค PARAM3 ๊ฐ์ ธ์ค๊ธฐ SELECT JSON_EXTRACT(DATA.STR, '$.DATA.PARAM3.PARAM4') AS..