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https://dev.mysql.com/doc/refman/9.7/en/performance-schema-replication-tables.html
This is similar to the information available from the SHOW REPLICA STATUS statement, but representation in table form is more accessible and has usability benefits: SHOW REPLICA STATUS output is useful for visual inspection, but not so much for ...
https://dev.mysql.com/doc/refman/9.7/en/performance-schema-setup-loggers-table.html
This can be one of the following: logger/sql/error_log logger/sql/general_log The General log does not have a log level. For example, if log_output or general_log is disabled, general OpenTelemetry logging continues. logger/sql/slow_log The Slow ...
https://dev.mysql.com/doc/refman/9.7/en/performance-schema-statement-summary-tables.html
The Performance Schema maintains tables for collecting current and recent statement events, and aggregates that information in summary tables. Section 29.12.6, “Performance Schema Statement Event Tables” describes the events on which statement ...
https://dev.mysql.com/doc/refman/9.7/en/performance-schema-system-variables.html
The Performance Schema automatically sizes the values of several of its parameters at server startup if they are not set explicitly. Performance Schema system variables have the following meanings: performance_schema Command-Line Format ...
https://dev.mysql.com/doc/refman/9.7/en/populating-spatial-columns.html
After you have created spatial columns, you can populate them with spatial data. Values should be stored in internal geometry format, but you can convert them to that format from either Well-Known Text (WKT) or Well-Known Binary (WKB) format. For ...
https://dev.mysql.com/doc/refman/9.7/en/precision-math-decimal-characteristics.html
This section discusses the characteristics of the DECIMAL data type (and its synonyms), with particular regard to the following topics: Maximum number of digits Storage format Storage requirements The nonstandard MySQL extension to the upper range ...
https://dev.mysql.com/doc/refman/9.7/en/purge-binary-logs.html
PURGE BINARY LOGS { TO 'log_name' | BEFORE datetime_expr } The binary log is a set of files that contain information about data modifications made by the MySQL server. The log consists of a set of binary log files, plus an index file (see Section ...
https://dev.mysql.com/doc/refman/9.7/en/query-attributes.html
The most visible part of an SQL statement is the text of the statement. Clients can also define query attributes that apply to the next statement sent to the server for execution: Attributes are defined prior to sending the statement. Attributes ...
https://dev.mysql.com/doc/refman/9.7/en/replace.html
REPLACE [LOW_PRIORITY | DELAYED] [INTO] tbl_name [PARTITION (partition_name [, partition_name] ...)] [(col_name [, col_name] ...)] { {VALUES | VALUE} (value_list) [, (value_list)] ... | VALUES row_constructor_list } REPLACE [LOW_PRIORITY | DELAYED] ...
https://dev.mysql.com/doc/refman/9.7/en/replica-sql-thread-states.html
The following list shows the most common states you may see in the State column for a replication SQL thread on a replica server. Set the terminology_use_previous system variable with session scope to support individual functions, or global scope ...