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https://dev.mysql.com/doc/refman/5.7/en/fetch.html
To detect this condition, you can set up a handler for it (or for a NOT FOUND condition). This statement fetches the next row for the SELECT statement associated with the specified cursor (which must be open), and advances the cursor pointer. If a ...
https://dev.mysql.com/doc/refman/5.7/en/mysqlbinlog-server-id.html
You can use mysqlbinlog to request log files from a server in several ways: Specify an explicitly named set of files: For each file, mysqlbinlog connects and issues a Binlog dump command. Specify the beginning file and --to-last-log: mysqlbinlog ...
https://dev.mysql.com/doc/refman/5.7/en/performance-schema-replication-applier-status-table.html
The maximum number of retries for a given transaction is set by the slave_transaction_retries system variable. The table provides information about general aspects of transaction applier status that are not specific to any thread involved. This ...
https://dev.mysql.com/doc/refman/5.7/en/audit-log-restrictions.html
Prior to MySQL 5.7.21, MySQL Enterprise Audit uses MyISAM tables in the mysql system database. MySQL Enterprise Audit is subject to these general restrictions: Only SQL statements are logged. Changes made by no-SQL APIs, such as memcached, Node.JS, ...
https://dev.mysql.com/doc/refman/5.7/en/event-scheduler.html
You may also find the MySQL User Forums to be helpful. Section 23.4.3, “Event Syntax”, discusses the SQL statements for creating, altering, and dropping MySQL Events. Section 23.4.4, “Event Metadata”, shows how to obtain information about ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-schema-privileges-table.html
The SCHEMA_PRIVILEGES table has these columns: GRANTEE The name of the account to which the privilege is granted, in 'user_name'@'host_name' format. IS_GRANTABLE YES if the user has the GRANT OPTION privilege, NO otherwise. TABLE_CATALOG The name of ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-table-privileges-table.html
The TABLE_PRIVILEGES table has these columns: GRANTEE The name of the account to which the privilege is granted, in 'user_name'@'host_name' format. IS_GRANTABLE YES if the user has the GRANT OPTION privilege, NO otherwise. TABLE_SCHEMA The name of ...TABLE_CATALOG The name of the catalog to which the table ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-transaction-model.html
Typically, several users are permitted to lock every row in InnoDB tables, or any random subset of the rows, without causing InnoDB memory exhaustion. The InnoDB transaction model aims combine the best properties of a multi-versioning database with ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-config-file.html
In such cases we try to let NDB Cluster users know in advance if a change is not backward compatible. Configuring NDB Cluster requires working with two files: my.cnf: Specifies options for all NDB Cluster executables. config.ini: This file, ...This ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-ndb-innodb-workloads.html
Due to its distributed architecture and multi-node implementation, NDB Cluster also has specific constraints that may keep some workloads from performing well. A number of major differences in behavior between the NDB and InnoDB storage engines with ... NDB Cluster has a range of unique attributes that make it ideal to serve applications requiring high availability, fast failover, high throughput, and low ...