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https://dev.mysql.com/doc/refman/8.0/en/collation-diagnostics.html
The MySQL server generates diagnostics when it finds problems while parsing the Index.xml file: Unknown tags are written to the error log. For example, the following message results if a collation definition contains a <aaa> tag: [Warning] Buffered ...In other cases, when a collation description is generally correct but contains some unknown tags, the collation is initialized and is available for ...
https://dev.mysql.com/doc/refman/8.0/en/create-event.html
IF NOT EXISTS has the same meaning for CREATE EVENT as for CREATE TABLE: If an event named event_name already exists in the same schema, no action is taken, and no error results. row *************************** Level: Note Code: 1588 Message: Event ... CREATE [DEFINER = user] EVENT [IF NOT EXISTS] event_name ON SCHEDULE schedule [ON COMPLETION [NOT] PRESERVE] [ENABLE | DISABLE | DISABLE ON SLAVE] [COMMENT 'string'] DO event_body; schedule: { AT timestamp [+ INTERVAL interval] ...
https://dev.mysql.com/doc/refman/8.0/en/insert-on-duplicate.html
Such statements produce a warning in the error log when using statement-based mode and are written to the binary log using the row-based format when using MIXED mode. If you specify an ON DUPLICATE KEY UPDATE clause and a row to be inserted would ...
https://dev.mysql.com/doc/refman/8.0/en/charset-unicode.html
The Unicode Standard includes characters from the Basic Multilingual Plane (BMP) and supplementary characters that lie outside the BMP. For information about the Unicode Standard itself, visit the Unicode Consortium website. BMP characters have ...
https://dev.mysql.com/doc/refman/8.0/en/general-thread-states.html
This state is used even if the table could not be created due to some error. Repair by sorting The repair code is using a sort to create indexes. Repair with keycache The repair code is using creating keys one by one through the key cache. The ...
https://dev.mysql.com/doc/refman/8.0/en/keyring-hashicorp-plugin.html
C interface: In C-language code, call the keyring service functions described in Section 7.6.9.2, “The Keyring Service”. Note If you do not set the mandatory system variables at server startup, or if some other plugin initialization error ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-shell-tutorial-javascript-collections-add.html
mysql-js> db.countryinfo.add( { GNP: .6, IndepYear: 1967, Name: "Sealand", Code: "SEA", demographics: { LifeExpectancy: 79, Population: 27 }, geography: { Continent: "Europe", Region: "British Islands", SurfaceArea: 193 }, government: { ... To work ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-shell-tutorial-python-documents-add.html
mysql-py> db.countryinfo.add( { "GNP": .6, "IndepYear": 1967, "Name": "Sealand", "Code:": "SEA", "demographics": { "LifeExpectancy": 79, "Population": 27 }, "geography": { "Continent": "Europe", "Region": "British Islands", "SurfaceArea": 193 }, ...
https://dev.mysql.com/doc/refman/8.0/en/restart.html
If no monitoring process is present, RESTART fails with an error. When mysqld performs a shutdown due to use of the RESTART statement, it returns exit code 16. When the monitoring process detects an exit code of 16, it starts mysqld again. One use ...
https://dev.mysql.com/doc/refman/8.0/en/show.html
SHOW has many forms that provide information about databases, tables, columns, or status information about the server. The pattern is useful for restricting statement output to matching values. Several SHOW statements also accept a WHERE clause ...