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https://dev.mysql.com/doc/refman/8.0/en/selinux-troubleshooting.html
In such cases, you can use the audit2allow utility to create custom policies to permit access where it is required. The typical method for creating custom policies is to change the SELinux mode to permissive, identify access denial messages in the ... Troubleshooting SELinux typically involves placing SELinux into permissive mode, rerunning problematic operations, checking for access denial messages in the SELinux audit log, and placing SELinux back into enforcing mode after problems are ...
https://dev.mysql.com/doc/refman/8.0/en/server-configuration-defaults.html
On Windows, MySQL Installer interacts with the user and creates a file named my.ini in the base installation directory as the default option file. For non-Windows platforms, no default option file is created during either the server installation or ... The MySQL server has many operating parameters, which you can change at server startup using command-line options or configuration files (option ...
https://dev.mysql.com/doc/refman/8.0/en/set.html
A SET is a string object that can have zero or more values, each of which must be chosen from a list of permitted values specified when the table is created. A consequence of this is that SET member values should not themselves contain commas. SET ...
https://dev.mysql.com/doc/refman/8.0/en/show-columns.html
The data types may differ from what you expect them to be based on a CREATE TABLE statement because MySQL sometimes changes data types when you create or alter a table. The SHOW CREATE TABLE, SHOW TABLE STATUS, and SHOW INDEX statements also provide ... SHOW [EXTENDED] [FULL] {COLUMNS | FIELDS} {FROM | IN} tbl_name [{FROM | IN} db_name] [LIKE 'pattern' | WHERE expr] SHOW COLUMNS displays information about the columns in a given ...
https://dev.mysql.com/doc/refman/8.0/en/spatial-types.html
The specification describes a set of SQL geometry types, as well as functions on those types to create and analyze geometry values. The other storage engines support non-SPATIAL indexes, as described in Section 15.1.15, “CREATE INDEX Statement”.
https://dev.mysql.com/doc/refman/8.0/en/stored-programs-defining.html
Each stored program contains a body that consists of an SQL statement. This statement may be a compound statement made up of several statements separated by semicolon (;) characters. For example, the following stored procedure has a body made up of ...
https://dev.mysql.com/doc/refman/8.0/en/stored-routines-metadata.html
Use the SHOW CREATE PROCEDURE and SHOW CREATE FUNCTION statements to see routine definitions. To obtain metadata about stored routines: Query the ROUTINES table of the INFORMATION_SCHEMA database. Use the SHOW PROCEDURE STATUS and SHOW FUNCTION ...
https://dev.mysql.com/doc/refman/8.0/en/structured-system-variables.html
These rules may assume greater significance if some other type of structured variable is created in the future. (You could also have written --default.key_buffer_size=256K.) In addition, the server creates a second key cache named extra_cache that ... A structured variable differs from a regular system variable in two respects: Its value is a structure with components that specify server parameters considered to be closely ...
https://dev.mysql.com/doc/refman/8.0/en/subquery-optimization-with-exists.html
AND trigcond(oe_N=ie_N) ) Each trigcond(X) is a special function that evaluates to the following values: X when the “linked” outer expression oe_i is not NULL TRUE when the “linked” outer expression oe_i is NULL Note Trigger functions are ...
https://dev.mysql.com/doc/refman/8.0/en/sys-statements-with-temp-tables.html
memory_tmp_tables The total number of internal in-memory temporary tables created by occurrences of the statement. disk_tmp_tables The total number of internal on-disk temporary tables created by occurrences of the statement. These views list ...