为提高效率,提问时请提供以下信息,问题描述清晰可优先响应。
【DM版本】:V8
【操作系统】:win11
【CPU】:
【问题描述】*:需要查询表中c1字段里面a字段包含B的所有数据,语句如何编写?
create table t_json_value_array_obj (c1 varchar2(200) CHECK (c1 IS JSON));
insert into t_json_value_array_obj(c1) values(‘[{“a”: “A”},{“a”: “B”},{“a”:“C”}]’);
insert into t_json_value_array_obj(c1) values(‘[{“a”: “B”},{“a”:“C”}]’);
insert into t_json_value_array_obj(c1) values(‘[{“a”: “A”},{“a”:“C”}]’);
insert into t_json_value_array_obj(c1) values(‘[{“a”: “M”},{“a”: “B”}]’);
insert into t_json_value_array_obj(c1) values(‘[{“a”: “A”},{“a”: “O”},{“a”:“C”}]’);
insert into t_json_value_array_obj(c1) values(‘[{“a”: “D”},{“a”: “B”},{“a”:“P”}]’);
试试
select json_query(c1, ‘$.a’ WITH WRAPPER) from t_json_value_array_obj where json_query(c1, ‘$.a’ WITH WRAPPER) like ‘%B%’;