Search Results
https://dev.mysql.com/doc/refman/8.4/en/replication-features-directory.html
If a DATA DIRECTORY or INDEX DIRECTORY table option is used in a CREATE TABLE statement on the source server, the table option is also used on the replica. This can be overridden by using the NO_DIR_IN_CREATE server SQL mode on the replica, which ...This can cause problems if no corresponding directory exists in the replica host file system or if it exists but is not accessible to the replica MySQL ...
https://dev.mysql.com/doc/refman/8.4/en/replication-features-load-data.html
If you use LOAD DATA with binlog_format=STATEMENT, each replica on which the changes are to be applied creates a temporary file containing the data. This temporary file is not encrypted, even if binary log encryption is active on the source, If ...
https://dev.mysql.com/doc/refman/8.4/en/scheduler-component.html
When a caller invokes the mysql_scheduler.create() service, it creates a new scheduled task instance to add to the queue, which signals the semaphore of the background thread. When the caller invokes destroy() and passes in the handle it received ...
https://dev.mysql.com/doc/refman/8.4/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/8.4/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. Trailing spaces are automatically deleted from SET member values in the table definition ...SET column values that consist of multiple set members are specified with members separated by commas ...
https://dev.mysql.com/doc/refman/8.4/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/8.4/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/8.4/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/8.4/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/8.4/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 ...