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https://dev.mysql.com/doc/refman/8.4/en/json-function-reference.html
Table 14.22 JSON Functions Name Description Deprecated -> Return value from JSON column after evaluating path; equivalent to JSON_EXTRACT(). ->> Return value from JSON column after evaluating path and unquoting the result; equivalent to ...
https://dev.mysql.com/doc/refman/8.4/en/json-utility-functions.html
Partial updates are supported for updates using JSON_SET(), JSON_REPLACE(), or JSON_REMOVE(). This section documents utility functions that act on JSON values, or strings that can be parsed as JSON values. JSON_PRETTY() prints out a JSON value in a ...
https://dev.mysql.com/doc/refman/8.4/en/load-xml.html
The following clauses work essentially the same way for LOAD XML as they do for LOAD DATA: LOW_PRIORITY or CONCURRENT LOCAL REPLACE or IGNORE CHARACTER SET SET See Section 15.2.9, “LOAD DATA Statement”, for more information about these clauses.
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-programs-ndb-perror.html
This is intended as a drop-in replacement for perror --ndb, which is no longer supported. ndb_perror replaces perror --ndb, which is no longer supported by NDB Cluster. ndb_perror shows information about an NDB error, given its error code. This ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-programs-ndbmtd.html
In other words, a data node running ndbd can be stopped, the binary replaced with ndbmtd, and then restarted without any loss of data. ndbmtd is a multithreaded version of ndbd, the process that is used to handle all the data in tables using the ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-what-is-new.html
Both private keys and certificates are labeled as either active or pending; ndb_sign_keys also provides help with rotating keys to allow for pending keys to replace active keys before the active keys expire. MySQL NDB Cluster 8.3 makes the following ... What is New in NDB Cluster 8.4 Changes in NDB 8.x Innovation Releases The following sections describe changes in the implementation of MySQL NDB Cluster in NDB Cluster 8.0 through 8.0.44, as compared to earlier release ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-configurator-workflow-server.html
In-Place Upgrade of an Existing MySQL Server Installation Add a Separate MySQL Server Installation In-Place Upgrade of an Existing MySQL Server Installation This replaces the existing MySQL server installation as part of the upgrade process which ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-enterprise-data-masking.html
Data masking hides sensitive information by replacing real values with substitutes. MySQL Enterprise Data Masking and De-Identification functions enable masking existing data using several methods such as obfuscation (removing identifying ... MySQL ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-enterprise-security.html
MySQL Enterprise Edition includes a suite of masking and de-identification functions that perform subsetting, random generation, and dictionary replacement to de-identify strings, numerics, phone numbers, emails and more. These functions enable ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-indexes.html
In this case, MySQL does a single key lookup for each MIN() or MAX() expression and replaces it with a constant. If all expressions are replaced with constants, the query returns at once. Indexes are used to find rows with specific column values ...