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https://dev.mysql.com/doc/refman/5.7/en/group-replication-bootstrap.html
The process of starting a group for the first time is called bootstrapping. The bootstrap should only be done by a single server, the one that starts the group and only once. This is why the value of the group_replication_bootstrap_group option was ...
https://dev.mysql.com/doc/refman/5.7/en/group-replication-frequently-asked-questions.html
One of the members listed in that table is selected as the donor of the missing data from the group to the new member. These settings avoid the selection of duplicate auto-increment values for writes on group members, which causes rollback of ...
https://dev.mysql.com/doc/refman/5.7/en/group-replication-system-variables.html
These settings avoid the selection of duplicate auto-increment values for writes on group members, which causes rollback of transactions. The joining member uses these details to select and connect to a group member to obtain the data needed for ...
https://dev.mysql.com/doc/refman/5.7/en/help.html
URL: https://dev.mysql.com/doc/refman/8.0/en/mathematical-functions.html Examples: mysql> SELECT LOG(2); -> 0.69314718055995 mysql> SELECT LOG(-2); -> NULL List of topics. HELP 'search_string' The HELP statement returns online information from the ...
https://dev.mysql.com/doc/refman/5.7/en/host-cache.html
The Performance Schema host_cache table exposes the contents of the host cache so that it can be examined using SELECT statements. This table can be examined using SELECT statements, which may help you diagnose the causes of connection problems.
https://dev.mysql.com/doc/refman/5.7/en/identifier-case-sensitivity.html
The following statement would not work because it refers to a table both as my_table and as MY_TABLE: mysql> SELECT * FROM my_table WHERE MY_TABLE.col=1; Column, index, stored routine, and event names are not case-sensitive on any platform, nor are ... In MySQL, databases correspond to directories within the data ...
https://dev.mysql.com/doc/refman/5.7/en/implicit-commit.html
SELECT causes an implicit commit before and after the statement is executed when you are creating nontemporary tables. SELECT.) Statements that implicitly use or modify tables in the mysql database. The statements listed in this section (and any ...
https://dev.mysql.com/doc/refman/5.7/en/index-page-merge-threshold.html
For example: mysql> SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_INDEXES WHERE NAME='id_index' \G *************************** 1. If the “page-full” percentage for an index page falls below the MERGE_THRESHOLD value when a row is deleted or when a ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-column-privileges-table.html
In the output from SHOW FULL COLUMNS, the privileges are all in one column and in lowercase, for example, select,insert,update,references. The COLUMN_PRIVILEGES table has these columns: GRANTEE The name of the account to which the privilege is ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-columns-table.html
Unlike SHOW COLUMNS, SELECT from the COLUMNS table does not have automatic ordering. The following statements are nearly equivalent: SELECT COLUMN_NAME, DATA_TYPE, IS_NULLABLE, COLUMN_DEFAULT FROM INFORMATION_SCHEMA.COLUMNS WHERE table_name = ...The ...