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https://dev.mysql.com/doc/refman/8.4/en/security-against-attack.html
When you connect to a MySQL server, you should use a password. All other information is transferred as text, and can be read by anyone who is able to watch the connection. If the connection between the client and the server goes through an ...
https://dev.mysql.com/doc/refman/8.4/en/select-into.html
INTO form of SELECT enables a query result to be stored in variables or written to a file: SELECT ... Column and line terminators can be specified to produce a specific output format. INTO DUMPFILE writes a single row to a file without any ...
https://dev.mysql.com/doc/refman/8.4/en/server-options.html
When you start the mysqld server, you can specify program options using any of the methods described in Section 6.2.2, “Specifying Program Options”. The most common methods are to provide options in an option file or on the command line.
https://dev.mysql.com/doc/refman/8.4/en/server-status-variables.html
The MySQL server maintains many status variables that provide information about its operation. You can view these variables and their values by using the SHOW [GLOBAL | SESSION] STATUS statement (see Section 15.7.7.37, “SHOW STATUS Statement”).
https://dev.mysql.com/doc/refman/8.4/en/sorted-index-builds.html
InnoDB performs a bulk load instead of inserting one index record at a time when creating or rebuilding indexes. This method of index creation is also known as a sorted index build. In the first phase, the clustered index is scanned, and index ...
https://dev.mysql.com/doc/refman/8.4/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/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/storage-engines.html
Storage engines are MySQL components that handle the SQL operations for different table types. InnoDB is the default and most general-purpose storage engine, and Oracle recommends using it for tables except for specialized use cases. (The CREATE ...
https://dev.mysql.com/doc/refman/8.4/en/sys-format-bytes.html
Note 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 Functions” Given a byte ...
https://dev.mysql.com/doc/refman/8.4/en/sys-format-time.html
Note 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 Functions” Given a ...