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https://dev.mysql.com/doc/refman/8.0/en/windows-symbolic-links.html
To do this, create a symbolic link in the MySQL data directory that points to D:\data\mydb. However, before creating the symbolic link, make sure that the D:\data\mydb directory exists by creating it if necessary. On Windows, you can create a ... On ...
https://dev.mysql.com/doc/refman/8.0/en/archive-storage-engine.html
The ARCHIVE engine also supports the AUTO_INCREMENT table option in CREATE TABLE statements to specify the initial sequence value for a new table or reset the sequence value for an existing table, respectively. When you create an ARCHIVE table, the ... The ARCHIVE storage engine produces special-purpose tables that store large amounts of unindexed data in a very small ...
https://dev.mysql.com/doc/refman/8.0/en/group-replication-system-variables.html
The default setting (which is the maximum permitted sequence number for a transaction in a GTID) means that state transfer from a donor's binary log is virtually always attempted rather than cloning. Group members that are still online can ... This ...
https://dev.mysql.com/doc/refman/8.0/en/myisam-storage-engine.html
To specify explicitly that you want a MyISAM table, indicate that with an ENGINE table option: CREATE TABLE t (i INT) ENGINE = MYISAM; In MySQL 8.0, it is normally necessary to use ENGINE to specify the MyISAM storage engine because InnoDB is the ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-logs-cluster-log.html
Keep GCI = current_gci oldest restorable GCI = old_gci The local checkpoint having sequence ID lcp has been started on node node_id. LocalCheckpointStarted Checkpoint 7 INFO Node node_id: Local checkpoint lcp completed The local checkpoint having ...
https://dev.mysql.com/doc/refman/8.0/en/binary-installation.html
Create a mysql User and Group If your system does not already have a user and group to use for running mysqld, you may need to create them. $> groupadd mysql $> useradd -r -g mysql -s /bin/false mysql Note Because the user is required only for ...
https://dev.mysql.com/doc/refman/8.0/en/data-type-defaults.html
Examples: CREATE TABLE t1 ( i INT DEFAULT -1, c VARCHAR(10) DEFAULT '', price DOUBLE(16,2) DEFAULT 0.00 ); SERIAL DEFAULT VALUE is a special case. Suppose that a table t is defined as follows: CREATE TABLE t (i INT NOT NULL); In this case, i has no ... Data type specifications can have explicit or implicit default ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-compression-internals.html
LZ77 compression works by finding sequences of data that are repeated within the data to be compressed. If innodb_strict_mode is ON, MySQL checks the maximum row size during CREATE TABLE or CREATE INDEX. If you create a table when innodb_strict_mode ... This section describes some internal implementation details about compression for InnoDB ...
https://dev.mysql.com/doc/refman/8.0/en/column-count-limit.html
Functional key parts (see Section 15.1.15, “CREATE INDEX Statement”) are implemented as hidden virtual generated stored columns, so each functional key part in a table index counts against the table total column limit. mysql> CREATE TABLE t (a ... This section describes limits on the number of columns in tables and the size of individual ...
https://dev.mysql.com/doc/refman/8.0/en/group-replication-user-credentials.html
The process of creating the replication user for distributed recovery can be captured in the binary log, and then you can rely on distributed recovery to replicate the statements used to create the user. Alternatively, you can disable binary logging ... Group Replication uses a distributed recovery process to synchronize group members when joining them to the ...