https://dev.mysql.com/mysql-cluster-replication-conflict-resolution.html
The unique server ID of the MySQL instance (SQL node) where the table resides. When using a replication setup involving multiple masters (including circular replication), it is possible that different masters may try to update the same row on the ...
https://dev.mysql.com/mysql-cluster-replication-two-channels.html
In a more complete example scenario, we envision two replication channels to provide redundancy and thereby guard against possible failure of a single replication channel. This requires a total of four replication servers, two masters for the ...
https://dev.mysql.com/mysql-cluster-security-mysql-security-procedures.html
In this section, we discuss MySQL standard security procedures as they apply to running NDB Cluster. In general, any standard procedure for running MySQL securely also applies to running a MySQL Server as part of an NDB Cluster. First and foremost, ...
https://dev.mysql.com/mysql-indexes.html
Most MySQL indexes (PRIMARY KEY, UNIQUE, INDEX, and FULLTEXT) are stored in B-trees. Indexes are used to find rows with specific column values quickly. Without an index, MySQL must begin with the first row and then read through the entire table to ...
https://dev.mysql.com/mysql-innodb-cluster-production-deployment.html
The production instances which make up a cluster run on separate machines, therefore each machine must have a unique host name and be able to resolve the host names of the other machines which run server instances in the cluster. When working in a ...
https://dev.mysql.com/mysql-innodb-cluster-requirements.html
From version 8.0.17, instances must use a unique server_id within a InnoDB cluster. Before installing a production deployment of InnoDB cluster, ensure that the server instances you intend to use meet the following requirements. InnoDB cluster uses ...
https://dev.mysql.com/mysql-nutshell.html
A CREATE TABLESPACE statement executed without an ADD DATAFILE clause implicitly creates a tablespace data file with a unique file name. This section summarizes what has been added to, deprecated in, and removed from MySQL 8.0. A companion section ...
https://dev.mysql.com/mysql-session-track-get-first.html
Each active state has a unique character assigned to it as well as a fixed position in the sequence. int mysql_session_track_get_first(MYSQL *mysql, enum enum_session_state_type type, const char **data, size_t *length) MySQL implements a session ...
https://dev.mysql.com/mysql-shell-tutorial-javascript-collections-add.html
Each document requires an _id identifier field, and the value must be unique among all documents in the same collection. To work with the collections in a schema, use the db global object to access the current schema. In this example we are using ...
https://dev.mysql.com/mysql-shell-tutorial-javascript-collections-operations.html
Collection names are case-sensitive and each collection name must be unique. In MySQL Shell, you can create new collections, get a list of the existing collections in a schema, and remove an existing collection from a schema. To show the value that ...
