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https://dev.mysql.com/mysql-installer-catalog-dashboard.html
The server will be started now with the --upgrade=MINIMAL option, but then each time the server is started it will attempt to upgrade the system tables, unless you modify the Windows service (command line) to add --upgrade=MINIMAL to bypass the ...
https://dev.mysql.com/mysql-options.html
This function may be called multiple times to set several options. MYSQL_OPT_CONNECT_ATTR_DELETE (argument type: char *) Given a key name, this option deletes a key-value pair from the current set of connection attributes to pass to the server at ...
https://dev.mysql.com/optimize-overview.html
As you work on database performance, you start by learning the high-level rules and guidelines for the software side, and measuring performance using wall-clock time. It takes time for the disk to find a piece of data. With modern disks, the mean ...
https://dev.mysql.com/optimizing-innodb-configuration-variables.html
Different settings work best for servers with light, predictable loads, versus servers that are running near full capacity all the time, or that experience spikes of high activity. Preventing one-time operations such as table scans from interfering ...Because the InnoDB storage engine performs many of its optimizations automatically, many performance-tuning tasks involve monitoring to ensure that the database is performing well, and changing configuration options when performance ...
https://dev.mysql.com/partitioning-range.html
You want to use a column containing date or time values, or containing values arising from some other series. (See Bug #42849.) Note It is also possible in MySQL 8.0 to use UNIX_TIMESTAMP(timestamp_column) as a partitioning expression for tables ...
https://dev.mysql.com/partitioning-types.html
However, it is not difficult in MySQL to create partitioning schemes based on DATE, TIME, or DATETIME columns, or based on expressions making use of such columns. When partitioning by KEY or LINEAR KEY, you can use a DATE, TIME, or DATETIME column ... This section discusses the types of partitioning which are available in MySQL ...
https://dev.mysql.com/performance-schema-functions.html
FORMAT_PICO_TIME(time_val) Given a numeric Performance Schema latency or wait time in picoseconds, converts it to human-readable format and returns a string consisting of a value and a units indicator. The string contains the decimal time rounded to ... As of MySQL 8.0.16, MySQL includes built-in SQL functions that format or retrieve Performance Schema data, and that may be used as equivalents for the corresponding sys schema stored ...
https://dev.mysql.com/performance-schema-transaction-tables.html
For additional information about configuring event collection, see Section 26.3, “Performance Schema Startup Configuration”, and Section 26.4, “Performance Schema Runtime Configuration”. Within the event hierarchy, wait events nest within ...
https://dev.mysql.com/select-optimization.html
Tuning these statements is a top priority, whether to achieve sub-second response times for dynamic web pages, or to chop hours off the time to generate huge overnight reports. Isolate and tune any part of the query, such as a function call, that ...
https://dev.mysql.com/setup-objects-table.html
The order in which matching occurs matters because different matching setup_objects rows can have different ENABLED and TIMED values. For existing rows, only the ENABLED and TIMED columns can be modified, by users with the UPDATE privilege on the ...
Document created the 26/06/2006, last modified the 26/10/2018
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