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https://dev.mysql.com/doc/refman/5.7/en/numeric-type-attributes.html
MySQL supports an extension for optionally specifying the display width of integer data types in parentheses following the base keyword for the type. For example, INT(4) specifies an INT with a display width of four digits. This optional display ...
https://dev.mysql.com/doc/refman/5.7/en/partitioning-overview.html
This section provides a conceptual overview of partitioning in MySQL 5.7. For information on partitioning restrictions and feature limitations, see Section 22.6, “Restrictions and Limitations on Partitioning”. The SQL standard does not provide ...
https://dev.mysql.com/doc/refman/5.7/en/partitioning-pruning.html
The core concept behind partition pruning is relatively simple, and can be described as “Do not scan partitions where there can be no matching values”. By doing so, it is possible to expend much less time and effort in finding matching rows than ...
https://dev.mysql.com/doc/refman/5.7/en/password-security-admin.html
Database administrators should use the following guidelines to keep passwords secure. MySQL stores passwords for user accounts in the mysql.user system table. Access to this table should never be granted to any nonadministrative accounts. Account ...
https://dev.mysql.com/doc/refman/5.7/en/performance-schema-variable-table-migration.html
The INFORMATION_SCHEMA has tables that contain system and status variable information (see Section 24.3.11, “The INFORMATION_SCHEMA GLOBAL_VARIABLES and SESSION_VARIABLES Tables”, and Section 24.3.10, “The INFORMATION_SCHEMA GLOBAL_STATUS and ...
https://dev.mysql.com/doc/refman/5.7/en/replication-features-triggers.html
With statement-based replication, triggers executed on the source also execute on the replica. With row-based replication, triggers executed on the source do not execute on the replica. Instead, the row changes on the source resulting from trigger ...
https://dev.mysql.com/doc/refman/5.7/en/replication-multi-source-provision-replica.html
If the sources in the multi-source replication topology have existing data, it can save time to provision the replica with the relevant data before starting replication. In a multi-source replication topology, copying the data directory cannot be ...
https://dev.mysql.com/doc/refman/5.7/en/replication-rules-db-options.html
When evaluating replication options, the replica begins by checking to see whether there are any --replicate-do-db or --replicate-ignore-db options that apply. When using --binlog-do-db or --binlog-ignore-db, the process is similar, but the options ...
https://dev.mysql.com/doc/refman/5.7/en/replication-sbr-rbr.html
For most users, the mixed replication format should provide the best combination of data integrity and performance. If, however, you want to take advantage of the features specific to the statement-based or row-based replication format when ...
https://dev.mysql.com/doc/refman/5.7/en/replication-setup-replicas.html
Before you proceed, ensure that you have: Configured the source with the necessary configuration properties. Obtained the source's status information, or a copy of the source's binary log index file made during a shutdown for the data snapshot. On ...