#Mysql json query code#

When you query data from the JSON column, the MySQL.

There’s also an attributes column, which has the data type of JSON. Instead, you can create an index on a generated column that contains values extracted from the JSON column. CREATE TABLE product ( id INT, productname VARCHAR(200), attributes JSON ) We have created a tablecalled product. Starting with MySQL 8.0.17, queries using JSONCONTAINS() on InnoDB tables can be optimized using multi-valued indexes see Multi-Valued Indexes, for more. In the Save As window, choose a location for export MySQL data to JSON file, under the File name enter a name for the file and click the Save button:Īfter the file is saved, on the application bottom right corner, an info message appears with the Show button. How do we create a field in MySQL Creating a JSON Field We create a new field with a data type of JSON. As of MySQL 5.7.8, MySQL supports a native JSON data type defined by RFC 7159 that enables efficient access to data in JSON (JavaScript Object Notation) documents. On the top right corner of the results grid, click the Export to JSON icon. Share Improve this answer Follow answered at 5:49 Tim Biegeleisen 495k 25 275 351 3 We use > 5.5. In a newly opened query editor, execute a SELECT statement from which you want the results to be exported: Try the following query and see if it fits your needs: SELECT userid, jsondata FROM articles WHERE commonschema.extractjsonvalue (jsondata,'title') LIKE 'CPU' This will only work on MySQL version 5.1 or newer.

#Mysql json query code#

To export data, in Visual Studio Code under the ApexSQL server explorer pane, open a new query: Beside JSON, the extension has options to export MySQL data to CSV, Excel, and HTML file format. Here's how you can query a JSON column in MySQL: - Getting the params.name string value from events table SELECT params->'.name' FROM events - Getting rows where the browser.name is Chrome - This also shows the difference of using -> vs -> - Using -> will cause strings to be enclosed in quotes SELECT browser->'.name', browser->'.name. SELECT REPLACE(JSONEXTRACT(jsonrecord.json, CONCAT('',number,'.name')), ''', '') AS name, REPLACE(JSONEXTRACT(jsonrecord.json, CONCAT('',number,'.address')), ''', '') AS address FROM ( SELECT row : row + 1 AS number FROM ( SELECT 0 UNION SELECT 1 UNION SELECT 2 UNION SELECT 3 UNION SELECT 4 UNION SELECT 5 UNION SELECT 6. Now, when a SELECT statement is executed, the output will look like this:Įxporting MySQL data using third-party softwareĪpexSQL Database Power Tools for VS Code is an extension that can export data from the results grid into a JSON file format in just a few steps.