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https://dev.mysql.com/doc/refman/8.0/en/firewall-reference.html
In response to such a mode-setting attempt, the firewall produces a diagnostic message that is returned as a result set rather than as an SQL error: mysql> CALL mysql.sp_set_firewall_mode('a@b','PROTECTING'); ...When enabled, the firewall bases ...
https://dev.mysql.com/doc/refman/8.0/en/fulltext-boolean.html
Use of multiple operators on a single search word returns a syntax error to standard out. Specifying a trailing plus or minus sign causes InnoDB to report a syntax error. MySQL can perform boolean full-text searches using the IN BOOLEAN MODE ...
https://dev.mysql.com/doc/refman/8.0/en/group-replication-monitoring.html
Beginning with MySQL 8.0.21, messages relating to Group Replication lifecycle events other than errors are classified as system messages; these are always written to the replication group member' error log. You can use the MySQL Performance Schema ...
https://dev.mysql.com/doc/refman/8.0/en/group-replication-responses-failure-partition.html
When the timeout specified by group_replication_unreachable_majority_timeout elapses, all pending transactions that have been processed by the member and the others in the minority group are rolled back, and the servers in that group move to the ...
https://dev.mysql.com/doc/refman/8.0/en/hexadecimal-literals.html
Legal hexadecimal literals: X'01AF' X'01af' x'01AF' x'01af' 0x01AF 0x01af Illegal hexadecimal literals: X'0G' (G is not a hexadecimal digit) 0X01AF (0X must be written as 0x) Values written using X'val' notation must contain an even number of digits ... Hexadecimal literal values are written using X'val' or 0xval notation, where val contains hexadecimal digits (0..9, ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-limits.html
Attempting to use an index key prefix length that exceeds the limit returns an error. ERROR 1070 (42000): Too many key parts specified; max 16 parts allowed The maximum row size, excluding any variable-length columns that are stored off-page, is ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-row-format.html
Fixed-length columns greater than or equal to 768 bytes are encoded as variable-length columns, which can be stored off-page. Fixed-length columns greater than or equal to 768 bytes are encoded as variable-length columns, which can be stored ... The ...
https://dev.mysql.com/doc/refman/8.0/en/json-utility-functions.html
If the value is not a JSON document, or if it cannot be parsed as one, the function fails with an error. If json_val is not NULL, and neither is a valid JSON document nor can be successfully parsed as one, an error results. An error results when ...
https://dev.mysql.com/doc/refman/8.0/en/keyring-oci-component.html
“encryption_endpoint”: The endpoint of the Oracle Cloud Infrastructure encryption server that component_keyring_oci uses for generating encrypted or encoded information (ciphertext) for new keys. Check the server error log, correct the ... Note ...
https://dev.mysql.com/doc/refman/8.0/en/load-xml.html
If the file cannot be found, the following error results: ERROR 2 (HY000): File '/person.xml' not found (Errcode: 2) The ROWS IDENTIFIED BY '<person>' clause means that each <person> element in the XML file is considered equivalent to a row in the ...The tagname in the optional ROWS IDENTIFIED BY clause must also be given as a literal string, and must be surrounded by angle brackets (< and ...