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https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-programs-ndb-redo-log-reader.html
Reads a redo log file, checking it for errors, printing its contents in a human-readable format, or both. ndb_redo_log_reader is intended for use primarily by NDB Cluster developers and Support personnel in debugging and diagnosing problems. This ...
https://dev.mysql.com/doc/refman/8.0/en/fulltext-search.html
MATCH (col1,col2,...) AGAINST (expr [search_modifier]) search_modifier: { IN NATURAL LANGUAGE MODE | IN NATURAL LANGUAGE MODE WITH QUERY EXPANSION | IN BOOLEAN MODE | WITH QUERY EXPANSION } MySQL has support for full-text indexing and searching: A ...
https://dev.mysql.com/doc/refman/8.0/en/optimizer-trace-system-variable.html
The optimizer_trace system variable has these on/off switches: enabled: Enables (ON) or disables (OFF) tracing one_line: If set to ON, the trace contains no whitespace, thus conserving space. This renders the trace difficult to read for humans, ...
https://dev.mysql.com/doc/refman/8.0/en/password-management.html
MySQL supports these password-management capabilities: Password expiration, to require passwords to be changed periodically. Password reuse restrictions, to prevent old passwords from being chosen again. Password verification, to require that ...
https://dev.mysql.com/doc/refman/8.0/en/replication-rbr-usage.html
MySQL uses statement-based logging (SBL), row-based logging (RBL) or mixed-format logging. The type of binary log used impacts the size and efficiency of logging. Therefore the choice between row-based replication (RBR) or statement-based ...
https://dev.mysql.com/doc/refman/8.0/en/sys-format-bytes.html
Note As of MySQL 8.0.16, format_bytes() is deprecated and subject to removal in a future MySQL version. Applications that use it should be migrated to use the built-in FORMAT_BYTES() function instead. See Section 14.21, “Performance Schema ...
https://dev.mysql.com/doc/refman/8.0/en/sys-format-time.html
Note As of MySQL 8.0.16, format_time() is deprecated and subject to removal in a future MySQL version. Applications that use it should be migrated to use the built-in FORMAT_PICO_TIME() function instead. See Section 14.21, “Performance Schema ...
https://dev.mysql.com/doc/refman/8.0/en/sys-metrics.html
This view summarizes MySQL server metrics to show variable names, values, types, and whether they are enabled. The metric type determines the source from which the name is taken: For global status variables: The VARIABLE_NAME column of the ...
https://dev.mysql.com/doc/refman/8.0/en/sys-schema-usage.html
Most of these views come in pairs, such that one member of the pair has the same name as the other member, plus a x$ prefix. The view with the x$ prefix that displays the same values in raw form is intended more for use with other tools that perform ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-programs-ndb-size-pl.html
This is a Perl script that can be used to estimate the amount of space that would be required by a MySQL database if it were converted to use the NDBCLUSTER storage engine. Unlike the other utilities discussed in this section, it does not require ...