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https://dev.mysql.com/doc/refman/8.0/en/optimizing-innodb-configuration-variables.html
Because the InnoDB storage engine performs many of its optimizations automatically, many performance-tuning tasks involve monitoring to ensure that the database is performing well, and changing configuration options when performance drops. Too much ... Different settings work best for servers with light, predictable loads, versus servers that are running near full capacity all the time, or that experience spikes of high ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema-schemata-table.html
A schema is a database, so the SCHEMATA table provides information about databases. The following statements are equivalent: SELECT SCHEMA_NAME AS `Database` FROM INFORMATION_SCHEMA.SCHEMATA [WHERE SCHEMA_NAME LIKE 'wild'] SHOW DATABASES [LIKE ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-replication-issues.html
(A gap event is a type of “incident event,” which indicates an incident that occurs that affects the contents of the database but that cannot easily be represented as a set of changes. Examples of incidents are server failures, database ... This ...
https://dev.mysql.com/doc/refman/8.0/en/log-destinations.html
Possible destinations for log entries are log files or the general_log and slow_log tables in the mysql system database. CREATE TABLE, ALTER TABLE, and DROP TABLE are valid operations on a log table. For ALTER TABLE and DROP TABLE, the log table ...
https://dev.mysql.com/doc/refman/8.0/en/optimize-overview.html
Database performance depends on several factors at the database level, such as tables, queries, and configuration settings. As you work on database performance, you start by learning the high-level rules and guidelines for the software side, and ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-options-variables.html
--ndbinfo={ON|OFF|FORCE} Command-Line Format --ndbinfo[=value] (≥ 8.0.13-ndb-8.0.13) Introduced 8.0.13-ndb-8.0.13 Type Enumeration Default Value ON Valid Values ONOFFFORCE Enables the plugin for the ndbinfo information database. This section ...
https://dev.mysql.com/doc/refman/8.0/en/faqs-stored-procs.html
Is there a way to view all stored procedures and stored functions in a given database? A.4.7. Is there a MySQL equivalent to using mod_plsql as a gateway on Apache to talk directly to a stored procedure in the database? A.4.17. You can manage stored ...Where can I find documentation for MySQL stored procedures and stored functions? ...
https://dev.mysql.com/doc/refman/8.0/en/faqs-triggers.html
Is there a way to view all triggers in a given database? A.5.7. How are triggers managed in MySQL? Triggers can be created using the CREATE TRIGGER statement, and dropped using DROP TRIGGER. See Section 15.1.22, “CREATE TRIGGER Statement”, and ...Where can I find the documentation for MySQL 8.0 triggers? ...
https://dev.mysql.com/doc/refman/8.0/en/mysqladmin.html
You can use it to check the server's configuration and current status, to create and drop databases, and more. drop db_name Delete the database named db_name and all its tables. (See Section 8.4.1.4, “Client-Side Cleartext Pluggable ...Invoke ...
https://dev.mysql.com/doc/refman/8.0/en/partitioning-management-exchange.html
In addition to the ALTER, INSERT, and CREATE privileges usually required for ALTER TABLE statements, you must have the DROP privilege to perform ALTER TABLE ... EXCHANGE PARTITION operation does not perform any row-by-row validation when exchanging ...Table nt contains no foreign key references, and no other table has any foreign keys that refer to ...