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https://dev.mysql.com/doc/refman/8.0/en/encryption-functions.html
This avoids potential problems with trailing space removal or character set conversion that would change data values, such as may occur if you use a nonbinary string data type (CHAR, VARCHAR, TEXT). Some encryption functions return strings of ASCII ...If you want to store these results, use a column with a VARBINARY or BLOB binary string data ...
https://dev.mysql.com/doc/refman/8.0/en/enterprise-encryption-usage.html
To use MySQL Enterprise Encryption in applications, invoke the functions that are appropriate for the operations you wish to perform. In releases before MySQL 8.0.30, MySQL Enterprise Encryption's functions are based on the openssl_udf shared ...
https://dev.mysql.com/doc/refman/8.0/en/get-diagnostics.html
The keyword STACKED means to retrieve information from the second diagnostics area, which is available only if the current context is a condition handler. It is a MySQL extension that GET [CURRENT] DIAGNOSTICS is permitted outside handler context to ... GET [CURRENT | STACKED] DIAGNOSTICS { statement_information_item [, statement_information_item] ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema-innodb-ft-deleted-table.html
The INNODB_FT_DELETED table stores rows that are deleted from the FULLTEXT index for an InnoDB table. Before querying it, set the value of the innodb_ft_aux_table system variable to the name (including the database name) of the table that contains ...The INNODB_FT_DELETED table has these columns: DOC_ID The document ID of the newly deleted ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-information-schema-fulltext_index-tables.html
For information about running OPTIMIZE TABLE on tables with FULLTEXT indexes, see Section 14.9.6, “Fine-Tuning MySQL Full-Text Search”. INNODB_FT_DELETED: Stores rows that are deleted from the FULLTEXT index for an InnoDB table.
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-programs-ndb-config.html
The dump can be produced in either text or XML format; for more information, see the discussion of the --configinfo and --xml options later in this section). This tool extracts current configuration information for data nodes, SQL nodes, and API ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-nutshell.html
The GRANT statement has an AS user [WITH ROLE] clause that specifies additional information about the privilege context to use for statement execution. The TLS context the server uses for new connections now is reconfigurable at runtime. This ...
https://dev.mysql.com/doc/refman/8.0/en/password-logging.html
Passwords can be written as plain text in SQL statements such as CREATE USER, GRANT and SET PASSWORD. Statement logging avoids writing passwords as cleartext for the following statements: CREATE USER ... PASSWORD ...) Passwords in those statements ...If such statements are logged by the MySQL server as written, passwords in them become visible to anyone with access to the ...
https://dev.mysql.com/doc/refman/8.0/en/backup-methods.html
Making Delimited-Text File Backups To create a text file containing a table's data, you can use SELECT * INTO OUTFILE 'file_name' FROM tbl_name. Another way to create text data files (along with files containing CREATE TABLE statements for the ...
https://dev.mysql.com/doc/refman/8.0/en/charset-unicode-conversion.html
In terms of table structure, these are the primary potential incompatibilities: For the variable-length character data types (VARCHAR and the TEXT types), the maximum permitted length in characters is less for utf8mb4 columns than for utf8mb3 ...