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Search Results
https://dev.mysql.com/doc/refman/8.0/en/optimization.html
Depending on your job role (developer, DBA, or a combination of both), you might optimize at the level of individual SQL statements, entire applications, a single database server, or multiple networked database servers. Optimizing CPU and memory ...
https://dev.mysql.com/doc/refman/8.0/en/optimizing-innodb-transaction-management.html
The default MySQL setting AUTOCOMMIT=1 can impose performance limitations on a busy database server. InnoDB must flush the log to disk at each transaction commit if that transaction made modifications to the database. Killing the database process ...
https://dev.mysql.com/doc/refman/8.0/en/partitioning-types.html
A very common use of database partitioning is to segregate data by date. Some database systems support explicit date partitioning, which MySQL does not implement in 8.0. Names of partitions generally follow the rules governing other MySQL ... This ...
https://dev.mysql.com/doc/refman/8.0/en/password-management.html
Internal Versus External Credentials Storage Password Expiration Policy Password Reuse Policy Password Verification-Required Policy Dual Password Support Random Password Generation Failed-Login Tracking and Temporary Account Locking Important MySQL ... MySQL supports these password-management capabilities: Password expiration, to require passwords to be changed ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-ndb-sync-pending-objects-table.html
This table provides information about NDB database objects for which mismatches have been detected and which are waiting to be synchronized between the NDB dictionary and the MySQL data dictionary.
https://dev.mysql.com/doc/refman/8.0/en/performance-schema.html
It is implemented using the PERFORMANCE_SCHEMA storage engine and the performance_schema database. Performance Schema configuration can be modified dynamically by updating tables in the performance_schema database through SQL statements. The MySQL ...
https://dev.mysql.com/doc/refman/8.0/en/pluggable-storage-overview.html
The MySQL pluggable storage engine architecture enables a database professional to select a specialized storage engine for a particular application need while being completely shielded from the need to manage any specific application coding ...The ...
https://dev.mysql.com/doc/refman/8.0/en/privilege-changes.html
Database privilege changes take effect the next time the client executes a USE db_name statement. Note Client applications may cache the database name; thus, this effect may not be visible to them without actually changing to a different database.
https://dev.mysql.com/doc/refman/8.0/en/replication-features-errors.html
If a statement produces different errors on the source and the replica, the replication SQL thread terminates, and the replica writes a message to its error log and waits for the database administrator to decide what to do about the error. This ...
https://dev.mysql.com/doc/refman/8.0/en/replication-rules-channel-based-filters.html
Channel specific replication filters are particularly useful in a multi-source replication topology when the same database or table is present on multiple sources, and the replica is only required to replicate it from one source. However, with ...