https://dev.mysql.com/information-functions.html
It may be used to time how quickly MySQL processes the expression. The result value is 0, or NULL for inappropriate arguments such as a NULL or negative repeat count. The intended use is from within the mysql client, which reports query execution ...
https://dev.mysql.com/innodb-fulltext-index.html
This process, even for small documents, could result in numerous small insertions into the auxiliary index tables, making concurrent access to these tables a point of contention. Deleting a record that has a full-text index column could result in ...
https://dev.mysql.com/json-attribute-functions.html
The functions in this section return attributes of JSON values. An error occurs if the argument is not a valid JSON document. An empty array, empty object, or scalar value has depth 1. A nonempty array containing only elements of depth 1 or ...
https://dev.mysql.com/mysql-cluster-ndbinfo-error-messages.html
Table 22.395 Columns of the error_messages table Column Name Type Description error_code integer Numeric error code error_description string Description of error error_status string Error status code error_classification integer Error classification ... The error_messages table provides information about The following table provides information about the columns in the error_messages ...
https://dev.mysql.com/mysql-cluster-programs-ndb-index-stat.html
--query=# Property Value Command-Line Format --query=# Type Numeric Default Value 0 Minimum Value 0 Maximum Value MAX_INT Perform random range queries on first key attribute (must be int unsigned). --loops=# Property Value Command-Line Format ...
https://dev.mysql.com/mysql-cluster-programs-ndb-mgm.html
--try-reconnect=number Property Value Command-Line Format --try-reconnect=# Deprecated Yes Type Numeric Type Integer Default Value 12 Default Value 3 Minimum Value 0 Maximum Value 4294967295 If the connection to the management server is broken, the ... The ndb_mgm management client process is actually not needed to run the ...
https://dev.mysql.com/mysql-cluster-programs-ndb-select-all.html
--useHexFormat -x Causes all numeric values to be displayed in hexadecimal format. This does not affect the output of numerals contained in strings or datetime values. ndb_select_all prints all rows from an NDB table to stdout. Usage ndb_select_all ...
https://dev.mysql.com/mysql-cluster-programs-ndbinfo-select-all.html
All NDB 8.0 releases --delay=seconds Property Value Command-Line Format --delay=# Type Numeric Default Value 5 Minimum Value 0 Maximum Value MAX_INT This option sets the number of seconds to wait between executing loops. --loops=number, -l number ...
https://dev.mysql.com/mysql-cluster-sci-definition.html
[sci] sections in the config.ini file explicitly define SCI (Scalable Coherent Interface) connections between cluster nodes. Using SCI transporters in NDB Cluster requires specialized hardware as well as specially-built MySQL binaries; compiling ...
https://dev.mysql.com/mysql-cluster-tcp-definition.html
TCP/IP is the default transport mechanism for all connections between nodes in an NDB Cluster. Normally it is not necessary to define TCP/IP connections; NDB Cluster automatically sets up such connections for all data nodes, management nodes, and ...
