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Is there any way to use values from a JSON object in a MySQL Select statement?
Yes, you can use json_extract(). Let us first create a table −
mysql> create table DemoTable -> ( -> Data json -> ); Query OK, 0 rows affected (0.63 sec)
Insert some records in the table using insert command −
mysql> insert into DemoTable values('{"Name": "John", "CountryName": "US"}');
Query OK, 1 row affected (0.33 sec)
mysql> insert into DemoTable values('{"Name": "Chris", "CountryName": "UK"}');
Query OK, 1 row affected (0.15 sec)Display all records from the table using select statement −
mysql> select *from DemoTable;
Output
+----------------------------------------+
| Data |
+----------------------------------------+
| {"Name": "John", "CountryName": "US"} |
| {"Name": "Chris", "CountryName": "UK"} |
+----------------------------------------+
2 rows in set (0.01 sec)Following is the query to use values from a JSON object in a MySQL Select statement −
mysql> SELECT *from DemoTable WHERE json_extract(Data, '$.CountryName') like '%US%';
Output
+---------------------------------------+
| Data |
+---------------------------------------+
| {"Name": "John", "CountryName": "US"} |
+---------------------------------------+
1 row in set (0.00 sec)
Updated on: 30-Jul-2019
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