https://dev.mysql.com/explain-for-connection.html
For example, if you are running a statement in one session that is taking a long time to complete, using EXPLAIN FOR CONNECTION in another session may yield useful information about the cause of the delay. To obtain the execution plan for an ...
https://dev.mysql.com/external-locking.html
If the server is run with external locking enabled, you can use myisamchk at any time for read operations such a checking tables. External locking affects server performance because the server must sometimes wait for other processes before it can ...
https://dev.mysql.com/faqs-general.html
Does MySQL 8.0 have a NOW() function with fractions of seconds? Yes, see Section 11.2.6, “Fractional Seconds in Time Values”. Why did MySQL version numbering skip versions 6 and 7 and go straight to 8.0? A.1.3. Does MySQL 8.0 have a NOW() ...
https://dev.mysql.com/faqs-migration.html
This may seem more complicated, but ultimately saves time and trouble. Where can I find information on how to migrate from MySQL 5.7 to MySQL 8.0? A.8.2. How has storage engine (table type) support changed in MySQL 8.0 from previous versions? A.8.1.
https://dev.mysql.com/faqs-security.html
Does MySQL 8.0 include support for Roles Based Access Control (RBAC)? Not at this time. Where can I find documentation that addresses security issues for MySQL? A.9.2. Is SSL support built into MySQL binaries, or must I recompile the binary myself ...
https://dev.mysql.com/faqs-sql-modes.html
Does strict mode impact performance? The intensive validation of input data that some settings requires more time than if the validation is not done. What is the default server SQL mode when MySQL 8.0 is installed? A.3.1. What are server SQL modes? ...
https://dev.mysql.com/federated-description.html
To read a result set, it uses mysql_store_result() and fetches rows one at a time using mysql_fetch_row(). When you create a table using one of the standard storage engines (such as MyISAM, CSV or InnoDB), the table consists of the table definition ...
https://dev.mysql.com/fips-mode.html
MySQL supports FIPS mode, if compiled using OpenSSL 1.0.2, and an OpenSSL library and FIPS Object Module are available at runtime. For MySQL to support FIPS mode, these system requirements must be satisfied: At build time, MySQL must be compiled ...
https://dev.mysql.com/firewall-installation.html
MySQL Enterprise Firewall installation is a one-time operation that installs the elements described in Section 6.4.7.1, “Elements of MySQL Enterprise Firewall”. Installation can be performed using a graphical interface or manually: On Windows, ...
https://dev.mysql.com/full-disk.html
The thread is aborted the next time it checks the disk (in one minute). This section describes how MySQL responds to disk-full errors (such as “no space left on device”), and to quota-exceeded errors (such as “write failed” or “user block ...
