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https://dev.mysql.com/doc/refman/8.4/en/partitioning-info.html
This section discusses obtaining information about existing partitions, which can be done in a number of ways. Methods of obtaining such information include the following: Using the SHOW CREATE TABLE statement to view the partitioning clauses used ...
https://dev.mysql.com/doc/refman/8.4/en/partitioning-linear-hash.html
MySQL also supports linear hashing, which differs from regular hashing in that linear hashing utilizes a linear powers-of-two algorithm whereas regular hashing employs the modulus of the hashing function's value. We call this value V; it can be ...
https://dev.mysql.com/doc/refman/8.4/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/8.4/en/static-format.html
It is used when the table contains no variable-length columns (VARCHAR, VARBINARY, BLOB, or TEXT). Of the three MyISAM storage formats, static format is the simplest and most secure (least subject to corruption). It is also the fastest of the ...
https://dev.mysql.com/doc/refman/8.4/en/string-comparison-functions.html
Table 14.13 String Comparison Functions and Operators Name Description LIKE Simple pattern matching NOT LIKE Negation of simple pattern matching STRCMP() Compare two strings If a string function is given a binary string as an argument, the ...
https://dev.mysql.com/doc/refman/8.4/en/sys-create-synonym-db.html
Given a schema name, this procedure creates a synonym schema containing views that refer to all the tables and views in the original schema. This can be used, for example, to create a shorter name by which to refer to a schema with a long name ...
https://dev.mysql.com/doc/refman/8.4/en/sys-extract-schema-from-file-name.html
Given a file path name, returns the path component that represents the schema name. This function assumes that the file name lies within the schema directory. For this reason, it does not work with partitions or tables defined using their own ...
https://dev.mysql.com/doc/refman/8.4/en/sys-extract-table-from-file-name.html
Given a file path name, returns the path component that represents the table name. This function is useful when extracting file I/O information from the Performance Schema that includes file path names. It provides a convenient way to display table ...
https://dev.mysql.com/doc/refman/8.4/en/sys-format-path.html
Given a path name, returns the modified path name after replacing subpaths that match the values of the following system variables, in order: datadir tmpdir replica_load_tmpdir innodb_data_home_dir innodb_log_group_home_dir innodb_undo_directory ...
https://dev.mysql.com/doc/refman/8.4/en/sys-ps-is-account-enabled.html
Returns YES or NO to indicate whether Performance Schema instrumentation for a given account is enabled. Parameters in_host VARCHAR(60): The host name of the account to check. Example mysql> SELECT sys.ps_is_account_enabled('localhost', 'root'); ...