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https://dev.mysql.com/doc/refman/8.0/en/firewall-usage.html
Alternatively, to set and persist the firewall setting at runtime: SET PERSIST mysql_firewall_mode = OFF; SET PERSIST mysql_firewall_mode = ON; SET PERSIST sets a value for the running MySQL instance. This is useful, for example, for a database ...
https://dev.mysql.com/doc/refman/8.0/en/grant-tables.html
The Password_locking attribute is updated according to the FAILED_LOGIN_ATTEMPTS and PASSWORD_LOCK_TIME options of the CREATE USER and ALTER USER statements. Note Direct modification of grant tables using statements such as INSERT, UPDATE, or DELETE ... The mysql system database includes several grant tables that contain information about user accounts and the privileges held by ...
https://dev.mysql.com/doc/refman/8.0/en/load-data.html
For date and time types, the column is set to the appropriate “zero” value for the type. An invalid value for a DATETIME, DATE, or TIME column is inserted as the implicit default value, regardless of the SQL mode NO_ZERO_DATE setting. These are ...The syntax of the FIELDS and LINES clauses is the same for both ...The file can be read from the server host ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-data-encryption.html
Each time the master encryption key is rotated, all tablespace keys in the MySQL instance are re-encrypted and saved back to their respective tablespace headers. Enable the stage/innodb/alter tablespace (encryption) instrument: mysql> USE ... InnoDB ...When an application or authenticated user wants to access encrypted tablespace data, InnoDB uses a master encryption key to decrypt the tablespace ...
https://dev.mysql.com/doc/refman/8.0/en/explain-output.html
The index map value N is a bitmask value that indicates which indexes are candidates. The content of the derived table is rematerialized to bring it up to date each time a new row of t is processed by the top query. This eliminates the need to send ...This means that MySQL reads a row from the first table, then finds a matching row in the second table, and then in the third table, and so ...
https://dev.mysql.com/doc/refman/8.0/en/charset-unicode-sets.html
This section describes the collations available for Unicode character sets and their differentiating properties. This character set is deprecated in MySQL 8.0, and you should use utf8mb4 instead. Note The utf8mb3 character set is deprecated and you ...MySQL supports multiple Unicode character sets: utf8mb4: A UTF-8 encoding of the Unicode character set using one to four bytes per ...
https://dev.mysql.com/doc/refman/8.0/en/using-encrypted-connections.html
Server-Side Runtime Configuration and Monitoring for Encrypted Connections Prior to MySQL 8.0.16, the tls_xxx and ssl_xxx system variables that configure encrypted-connection support can be set only at server startup. As of MySQL 8.0.16, the tls_xxx ... Several configuration parameters are available to indicate whether to use encrypted connections, and to specify the appropriate certificate and key ...
https://dev.mysql.com/doc/refman/8.0/en/audit-log-file-formats.html
The timestamp is a UTC value in YYYY-MM-DDThh:mm:ss format indicating the date and time when the audit log plugin opened the file. Example: <RECORD_ID>12_2019-10-03T14:06:33</RECORD_ID> <TIMESTAMP> A string representing a UTC value in ...Only this ...Typically the first audit record written after plugin startup contains the server description and startup ... The MySQL ...
https://dev.mysql.com/doc/refman/8.0/en/bit-functions.html
Convert the text UUID to the corresponding 16-byte binary value so that it can be manipulated using bit operations in binary-string context: mysql> SET @uuid = UUID_TO_BIN('6ccd780c-baba-1026-9564-5b8c656024db'); mysql> SELECT HEX(@uuid); ... Table ...Numeric evaluation occurs otherwise, with argument conversion to unsigned 64-bit integers as ...
https://dev.mysql.com/doc/refman/8.0/en/audit-log-reference.html
The field value is an integer that represents the UNIX timestamp value indicating the date and time when the audit event was generated. Example: mysql> SELECT audit_log_encryption_password_set(password); ...Audit Log Tables MySQL Enterprise Audit ...