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https://dev.mysql.com/doc/refman/5.7/en/replication-options-replica.html
Important Replication filters cannot be used on a MySQL server instance that is configured for Group Replication, because filtering transactions on some servers would make the group unable to reach agreement on a consistent state. Important ... This ...
https://dev.mysql.com/doc/refman/5.7/en/server-system-variables.html
group_concat_max_len Command-Line Format --group-concat-max-len=# System Variable group_concat_max_len Scope Global, Session Dynamic Yes Type Integer Default Value 1024 Minimum Value 4 Maximum Value (64-bit platforms) 18446744073709551615 Maximum ...
https://dev.mysql.com/doc/refman/5.7/en/problems-with-float.html
Floating-point numbers sometimes cause confusion because they are approximate and not stored as exact values. A floating-point value as written in an SQL statement may not be the same as the value represented internally. Attempts to treat ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-online-add-node-remarks.html
However, all data and indexes added to tables created after a new node group has been added are distributed automatically among all cluster data nodes, including those added as part of the new node group. It is possible to add a new node group ...
https://dev.mysql.com/doc/refman/5.7/en/mysqlbinlog.html
Note When using event groups, the file offsets of events may be grouped together and the comments of events may be grouped together. mysqlbinlog supports the following options, which can be specified on the command line or in the [mysqlbinlog] and ... The server's binary log consists of files containing “events” that describe modifications to database ...
https://dev.mysql.com/doc/refman/5.7/en/mysqldump.html
Option Syntax - Alphabetical Summary mysqldump supports the following options, which can be specified on the command line or in the [mysqldump] and [client] groups of an option file. A “login path” is an option group containing options that ...
https://dev.mysql.com/doc/refman/5.7/en/environment-variables.html
This section lists environment variables that are used directly or indirectly by MySQL. Most of these can also be found in other places in this manual. Options on the command line take precedence over values specified in option files and ...
https://dev.mysql.com/doc/refman/5.7/en/faqs-thread-pool.html
The Thread Pool then manages client connections within configurable thread groups, where they are prioritized and queued based on the nature of the work they were submitted to accomplish. If you are using the innodb_thread_concurrency to limit the ...What is the Thread Pool and what problem does it solve? ...
https://dev.mysql.com/doc/refman/5.7/en/create-table-select.html
You can create one table from another by adding a SELECT statement at the end of the CREATE TABLE statement: CREATE TABLE new_tbl [AS] SELECT * FROM orig_tbl; MySQL creates new columns for all elements in the SELECT. For example: mysql> CREATE ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-autocommit-commit-rollback.html
Grouping DML Operations with Transactions By default, connection to the MySQL server begins with autocommit mode enabled, which automatically commits every SQL statement as you execute it. If autocommit mode is enabled, each SQL statement forms a ...