MySQL随机获取几条...
2021-01-11
SELECT JSON_EXTRACT (teachers, '$[*].id') FROM lq_curriculum;
SELECT JSON_EXTRACT (teachers, '$[0].id') FROM lq_curriculum;
select * from lq_curriculum where JSON_CONTAINS(teachers,JSON_OBJECT('id', "22"))
还有FIND_IN_SET
select * from log where data->'$.id' = 142;
select data->'$.id' id,data->'$.name' name from log where data->'$.id' = 142;
更多:https://blog.csdn.net/qq_21187515/article/details/90760337
https://blog.csdn.net/szxiaohe/article/details/82772881
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