MySQL operations-detailed explanation of JSON data type operations, mysqljson
In the previous article, we introduced the detailed description of mysql Data Stored Procedure Parameter instances. Today, let's take a look at the JSON data type related
Official Document: JSON Functions
Name
Description
JSON_APPEND()
Append data to JSON document
JSON_ARRAY()
Create JSON Array
JSON_ARRAY_APPEND()
Append data to JSON
Preface: Recently help senior to deal with JSON file, need to read into the database, in case it might read data from the database. The data is about the Yelp site: https://github.com/Yelp/dataset-examples,http://www.yelp.com/dataset_challenge/.
Mysql JSON typeVersion 5.7 SupportNative JSON type instead of BLOB typeJSON Data validation CheckQuery performance boost: No need to traverse all strings to find dataSupport for partial attribute indexing1. JSON Format example2. Structured and
Objective
JSON is a lightweight data interchange format that uses a language-independent text format, like XML, but is simpler, easier to read, and easier to write than XML. Easy to parse and generate for machines, and reduce network bandwidth
In the comparison between MySQL and PostgreSQL, the JSON format support advantages of PG are always compared. In fact, the previous MARIADB also had a scheme for storing unstructured data, called dynamic column, but the scheme was stored in the form
0. DescriptionBecause of the need for personal projects, the data obtained are JSON type and are stored in the MySQL database, because JSON type data is not like normal text data, so there are a lot of issues to be aware of when storing MySQL.On the
MySQL 5.7 JSON support
Recently, a business needs to store Json and perform some simple business logic processing. I have found that it is difficult to use mysql 5.6 for json data analysis. It is very difficult to simply store data. I have no way to
Requirements Description :Today I look at the problem of storing JSON data types in MySQL, and for modifying the JSON data,Under this record.Operation Process :1. Create a table with JSON data types, insert the underlying dataMysql> CREATE TABLE Tab_
Currently, MySQL databases are widely used in many OLTP scenarios, and there are many different ways to use them. From the database business requirements, architecture design, operational maintenance, and then to the expansion of the migration,
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