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https://dev.mysql.com/doc/refman/8.0/en/blackhole-storage-engine.html
When you create a BLACKHOLE table, the server creates the table definition in the global data dictionary. The setup for the source is: CREATE TABLE t1 (public_col_1, ..., public_col_N, secret_col_1, ..., secret_col_M) ENGINE=MyISAM; The setup for ...
https://dev.mysql.com/doc/refman/8.0/en/charset-column.html
CREATE TABLE t1 ( col1 CHAR(10) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci ) CHARACTER SET latin1 COLLATE latin1_bin; The character set and collation are specified for the column, so they are used. CREATE TABLE t1 ( col1 CHAR(10) CHARACTER SET ... Every “character” column (that is, a column of type CHAR, VARCHAR, a TEXT type, or any synonym) has a column character set and a column ...
https://dev.mysql.com/doc/refman/8.0/en/charset-examples.html
Example 1: Table and Column Definition CREATE TABLE t1 ( c1 CHAR(10) CHARACTER SET latin1 COLLATE latin1_german1_ci ) DEFAULT CHARACTER SET latin2 COLLATE latin2_bin; Here we have a column with a latin1 character set and a latin1_german1_ci ... The ...
https://dev.mysql.com/doc/refman/8.0/en/csv-storage-engine.html
When you create a CSV table, the server creates a plain text data file having a name that begins with the table name and has a .CSV extension. If you examine the test.CSV file in the database directory created by executing the preceding statements, ... The CSV storage engine stores data in text files using comma-separated values ...
https://dev.mysql.com/doc/refman/8.0/en/data-masking-component-usage.html
Creating Views that Display Masked Data If masked data from a table is used for multiple queries, it may be convenient to define a view that produces masked data. Before using MySQL Enterprise Data Masking and De-Identification, install it ...
https://dev.mysql.com/doc/refman/8.0/en/encryption-functions.html
As of MySQL 8.0.30, these functions support the use of a key derivation function (KDF) to create a cryptographically strong secret key from the information passed in key_str. When you use a KDF, the function creates a cryptographically strong secret ...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/environment-variables.html
MYSQL_TEST_LOGIN_FILE is the path name of the login path file (the file created by mysql_config_editor). The UMASK and UMASK_DIR variables, despite their names, are used as modes, not masks: If UMASK is set, mysqld uses ($UMASK | 0600) as the mode ... This section lists environment variables that are used directly or indirectly by ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-buffer-pool.html
Pages created The total number of pages created within the buffer pool. creates/s The average number of buffer pool pages created per second. The buffer pool is an area in main memory where InnoDB caches table and index data as it is accessed. The ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-file-space.html
In a newly created system tablespace, InnoDB allocates space starting from the first data file. To avoid the issues that come with storing all tables and indexes inside the system tablespace, you can enable the innodb_file_per_table configuration ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-information-schema-temp-table-info.html
INNODB_TEMP_TABLE_INFO provides information about user-created InnoDB temporary tables that are active in the InnoDB instance. Create a simple InnoDB temporary table: mysql> CREATE TEMPORARY TABLE t1 (c1 INT PRIMARY KEY) ENGINE=INNODB; Query ...It ...