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https://dev.mysql.com/doc/refman/9.7/en/myisamchk-general-options.html
The options described in this section can be used for any type of table maintenance operation performed by myisamchk. The sections following this one describe options that pertain only to specific operations, such as table checking or repairing.
https://dev.mysql.com/doc/refman/9.7/en/performance-schema-prepared-statements-instances-table.html
The Performance Schema provides instrumentation for prepared statements, for which there are two protocols: The binary protocol. This is accessed through the MySQL C API and maps onto underlying server commands as shown in the following table. C ...
https://dev.mysql.com/doc/refman/9.7/en/performance-schema-statement-digests.html
The MySQL server is capable of maintaining statement digest information. The digesting process converts each SQL statement to normalized form (the statement digest) and computes a SHA-256 hash value (the digest hash value) from the normalized ...
https://dev.mysql.com/doc/refman/9.7/en/programs-overview.html
Later sections provide a more detailed description of each one, with the exception of NDB Cluster programs. Each program's description indicates its invocation syntax and the options that it supports. Section 25.5, “NDB Cluster Programs”, ...
https://dev.mysql.com/doc/refman/9.7/en/query-log.html
The general query log is a general record of what mysqld is doing. The server writes information to this log when clients connect or disconnect, and it logs each SQL statement received from clients. The general query log can be very useful when you ...
https://dev.mysql.com/doc/refman/9.7/en/sql-prepared-statements.html
Using prepared statements with placeholders for parameter values has the following benefits: Less overhead for parsing the statement each time it is executed. Typically, database applications process large volumes of almost-identical statements, ...
https://dev.mysql.com/doc/refman/9.7/en/srjs-data-arguments.html
Most MySQL data types are supported for MLE stored program input and output arguments, as well as for return data types. The data types are listed here: Integer: All variants and aliases of MySQL integer data types are supported, including TINYINT, ...
https://dev.mysql.com/doc/refman/9.7/en/string-functions.html
For functions that operate on string positions, the first position is numbered 1. For functions that take length arguments, noninteger arguments are rounded to the nearest integer. ASCII(str) Returns the numeric value of the leftmost character of ...
https://dev.mysql.com/doc/refman/9.7/en/charset-unicode-sets.html
This section describes the collations available for Unicode character sets and their differentiating properties. MySQL supports multiple Unicode character sets: utf8mb4: A UTF-8 encoding of the Unicode character set using one to four bytes per ...
https://dev.mysql.com/doc/refman/9.7/en/connection-options.html
This section describes options supported by most MySQL client programs that control how client programs establish connections to the server, whether connections are encrypted, and whether connections are compressed. These options can be given on ...