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Should I use MySQL JSON data type?
MySQL supports a native JSON data type defined by RFC 7159 that enables efficient access to data in JSON (JavaScript Object Notation) documents. The JSON data type provides these advantages over storing JSON-format strings in a string column: Invalid documents produce an error. Optimized storage format.
What is the drawback of JSON columns in MySQL?
The drawback? If your JSON has multiple fields with the same key, only one of them, the last one, will be retained. The other drawback is that MySQL doesn’t support indexing JSON columns, which means that searching through your JSON documents could result in a full table scan.
Is it bad practice to store JSON in database?
As a side note: this isn’t to say you should never store JSON in a relational database. If you’re adding true metadata, or if your JSON is describing information that does not need to be queried and is only used for display, it may be overkill to create a separate column for all of the data points.
How is JSON stored in MySQL?
8, MySQL supports a native JSON type. JSON values are not stored as strings, instead using an internal binary format that permits quick read access to document elements. JSON documents stored in JSON columns are automatically validated whenever they are inserted or updated, with an invalid document producing an error.
What is faster JSON or SQL?
Result: Json.Net is about twice as fast although this test is by far the most inaccurate. Still, SQL is still much faster than I initially thought.
What are the pros and cons of JSON in MySQL?
Native JSON support in MYSQL 5.7 : what are the pros and cons of JSON data type in MYSQL? In MySQL 5.7 a new data type for storing JSON data in MySQL tables has been added. It will obviously be a great change in MySQL. They listed some benefits
Is the JSON data type bad for performance for data retrieval?
JSON documents stored in JSON columns are converted to an internal format that permits quick read access to document elements. When the server later must read a JSON value stored in this binary format, the value need not be parsed from a text representation.
Why is JSON not supported in MySQL 5.7?
From my experience, JSON implementation at least in MySql 5.7 is not very useful due to its poor performance. Well, it is not so bad for reading data and validation. However, JSON modification is 10-20 times slower with MySql that with Python or PHP. Lets imagine very simple JSON:
How to index a JSON attribute in MySQL?
The way to index JSON attributes is to create a virtual generated column for the particular attribute you want (company_id), then index the virtual column, and use that column to filter your query. Thanks for contributing an answer to Database Administrators Stack Exchange! Please be sure to answer the question.