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https://dev.mysql.com/server-system-variables.html
activate_all_roles_on_login applies only at login time, and at the beginning of execution for stored programs and views that execute in definer context. A client that authenticates using the InitSecurityContext() function should provide a string ...
https://dev.mysql.com/mysql-cluster-programs-ndb-top.html
Output is available as plain text or an ASCII graph; you can specify this using the --text (-x) and --graph (-g) options, respectively. This option or --text must be true; both options may be true. Beginning with NDB 7.6.6, the short form for this ... ndb_top displays running information in the terminal about CPU usage by NDB threads on an NDB Cluster data ...
https://dev.mysql.com/alter-table.html
Changing the Character Set To change the table default character set and all character columns (CHAR, VARCHAR, TEXT) to a new character set, use a statement like this: ALTER TABLE tbl_name CONVERT TO CHARACTER SET charset_name; The statement also ...
https://dev.mysql.com/audit-log-filter-definitions.html
string_find(text, substr) Checks whether the substr value is contained in the text value. For information about using JSON data in MySQL, see Section 11.6, “The JSON Data Type”. Filter definitions have this form, where actions indicates how ...
https://dev.mysql.com/innodb-compression-internals.html
The compression of B-tree nodes (of both clustered and secondary indexes) is handled differently from compression of overflow pages used to store long VARCHAR, BLOB, or TEXT columns, as explained in the following sections. Compressing BLOB, VARCHAR, ... This section describes some internal implementation details about compression for InnoDB ...
https://dev.mysql.com/mysql-cluster-limitations-transactions.html
NDBCLUSTER stores only part of a column value that uses any of MySQL's BLOB or TEXT data types in the table visible to MySQL; the remainder of the BLOB or TEXT is stored in a separate internal table that is not accessible to MySQL. This issue does ... A number of limitations exist in NDB Cluster with regard to the handling of ...
https://dev.mysql.com/load-data.html
Without LOCAL, an error occurs when a duplicate key value is found, and the rest of the text file is ignored. Note For a text file generated on a Windows system, proper file reading might require LINES TERMINATED BY '\r\n' because Windows programs ...INTO Syntax”.) To write data from a table to a file, use SELECT ...
https://dev.mysql.com/mysql-cluster-ndbd-definition.html
BackupDataDir Table 22.33 This table provides type and value information for the BackupDataDir data node configuration parameter Property Value Version (or later) NDB 8.0.13 Type or units path Default [see text] Range ... This can be done by setting ... The [ndbd] and [ndbd default] sections are used to configure the behavior of the cluster's data ...
https://dev.mysql.com/mysqlimport.html
Invoke mysqlimport like this: shell> mysqlimport [options] db_name textfile1 [textfile2 ...] For each text file named on the command line, mysqlimport strips any extension from the file name and uses the result to determine the name of the table ...
https://dev.mysql.com/storage-requirements.html
This figure excludes BLOB or TEXT columns, which contribute only 9 to 12 bytes toward this size. For BLOB and TEXT data, the information is stored internally in a different area of memory than the row buffer. For example, storage for a MEDIUMTEXT ...
Document created the 26/06/2006, last modified the 26/10/2018
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