https://dev.mysql.com/mysql-cluster-ndbinfo-nodes.html
This table contains information on the status of data nodes. For each data node that is running in the cluster, a corresponding row in this table provides the node's node ID, status, and uptime. For nodes that are starting, it also shows the ...
https://dev.mysql.com/create-table-secondary-indexes.html
A secondary index defined on a virtual column is sometimes referred to as a “virtual index”. A secondary index may be created on one or more virtual columns or on a combination of virtual columns and regular columns or stored generated columns.
https://dev.mysql.com/sys-ps-thread-account.html
in_thread_id BIGINT UNSIGNED: The thread ID for which to return the account. Given a Performance Schema thread ID, returns the user_name@host_name account associated with the thread. The value should match the THREAD_ID column from some Performance ...
https://dev.mysql.com/glossary.html
The column itself must be of BIGINT UNSIGNED NOT NULL type, with a unique index named FTS_DOC_ID_INDEX. These terms are commonly used in information about the MySQL database server. This glossary originated as a reference for terminology about the ...
https://dev.mysql.com/sys-ps-thread-stack.html
Returns a JSON formatted stack of all statements, stages, and events within the Performance Schema for a given thread ID. The value should match the THREAD_ID column from some Performance Schema threads table row. row *************************** ...
https://dev.mysql.com/sys-ps-thread-trx-info.html
in_thread_id BIGINT UNSIGNED: The thread ID for which to return transaction information. Returns a JSON object containing information about a given thread. The information includes the current transaction, and the statements it has already ...
https://dev.mysql.com/mysql-cluster-options-variables.html
This means that expressions such as t1.a = t2.a + constant cannot be pushed down, and that (for example) a join on an INT column and a BIGINT column also cannot be pushed down. This section provides information about MySQL server options, server ...
https://dev.mysql.com/mysql-cluster-programs-ndb-blob-tool.html
This tool can be used to check for and remove orphaned BLOB column parts from NDB tables, as well as to generate a file listing any orphaned parts. It is sometimes useful in diagnosing and repairing corrupted or damaged NDB tables containing BLOB ...
https://dev.mysql.com/json-attribute-functions.html
The functions in this section return attributes of JSON values. An error occurs if the argument is not a valid JSON document. An empty array, empty object, or scalar value has depth 1. A nonempty array containing only elements of depth 1 or ...
https://dev.mysql.com/server-system-variables.html
In MySQL 8.0, timestamp is a DOUBLE rather than BIGINT because its value includes a microseconds part. The MySQL server maintains many system variables that configure its operation. System variables can be set at server startup using options on the ...
