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https://dev.mysql.com/doc/refman/5.7/en/database-count-limit.html
The underlying file system may have a limit on the number of directories. The underlying file system may have a limit on the number of files that represent tables.
https://dev.mysql.com/doc/refman/5.7/en/spatial-operator-functions.html
If any geometry argument is not a syntactically well-formed geometry, an ER_GIS_INVALID_DATA error occurs. An ER_WRONG_ARGUMENTS error occurs for ST_Buffer() with a negative distance for Point, MultiPoint, LineString, and MultiLineString values, and ... OpenGIS proposes a number of functions that can produce ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-log-events.html
An event report reported in the event logs has the following format: datetime [string] severity -- message For example: 09:19:30 2005-07-24 [NDB] INFO -- Node 4 Start phase 4 completed This section discusses all reportable events, ordered by ...In ...
https://dev.mysql.com/doc/refman/5.7/en/data-masking-functions.html
gen_blacklist(str, dictionary_name, replacement_dictionary_name) Replaces a term present in one dictionary with a term from a second dictionary and returns the replacement term. Example: mysql> SELECT ...If a string return value should be in a ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-security-mysql-security-procedures.html
Without FLUSH PRIVILEGES, the changes do not take effect until the next time that the server is restarted. By default these are installed on Unix-style systems with the permissions wxr-xr-x (755), which means they can be executed by any user that ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-disk-data-objects.html
Important There can exist at most one log file group in the same NDB Cluster at any given time. You cannot add an index to a column that has been explicitly declared STORAGE DISK, without first changing its storage type to MEMORY; any attempt to do ... NDB Cluster Disk Data storage is implemented using a number of Disk Data ...
https://dev.mysql.com/doc/refman/5.7/en/myisamchk-repair-options.html
--data-file-length=len, -D len Command-Line Format --data-file-length=len Type Numeric The maximum length of the data file (when re-creating data file when it is “full”). --recover, -r Command-Line Format --recover Do a repair that can fix ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-online-ddl-operations.html
A newly created secondary index contains only the committed data in the table at the time the CREATE INDEX or ALTER TABLE statement finishes executing. Online DDL support for adding secondary indexes means that you can generally speed the overall ...
https://dev.mysql.com/doc/refman/5.7/en/starting-server.html
(For Windows, see Section 2.3.4.5, “Starting the Server for the First Time”.) For some suggested commands that you can use to test whether the server is accessible and working properly, see Section 2.9.3, “Testing the Server”. Otherwise, you ... This section describes how start the server on Unix and Unix-like ...
https://dev.mysql.com/doc/refman/5.7/en/sys-ps-setup-save.html
ps_setup_save() takes a timeout parameter to indicate how many seconds to wait if the lock already exists (which indicates that some other session has a saved configuration outstanding). Parameters in_timeout INT: How many seconds to wait to obtain ...This procedure disables binary logging during its execution by manipulating the session value of the sql_log_bin system ...This enables you to alter the configuration ...