PDF (US Ltr)
- 35.1Mb
PDF (A4)
- 35.2Mb
Man Pages (TGZ)
- 255.8Kb
Man Pages (Zip)
- 360.8Kb
Info (Gzip)
- 3.4Mb
Info (Zip)
- 3.4Mb
Search Results
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-programs-ndb-select-count.html
--defaults-group-suffix Command-Line Format --defaults-group-suffix=string Type String Default Value [none] Also read groups with concat(group, suffix). ndb_select_count prints the number of rows in one or more NDB tables. With a single table, the ...
https://dev.mysql.com/doc/refman/5.7/en/derived-table-optimization.html
The optimizer propagates an ORDER BY clause in a derived table or view reference to the outer query block if these conditions are all true: The outer query is not grouped or aggregated. The optimizer handles derived tables and view references the ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-disk-data-objects.html
One or more undo log files are assigned to a log file group, which is then assigned to a tablespace. NDB Cluster tablespaces and log file groups are not implemented as files. For example, you cannot have a tablespace and a log file group both named ... NDB Cluster Disk Data storage is implemented using a number of Disk Data ...
https://dev.mysql.com/doc/refman/5.7/en/charset-connection.html
These variables can be changed individually using SET statements, but two more convenient statements affect the connection-related character set sytem variables as a group: SET NAMES 'charset_name' [COLLATE 'collation_name'] SET NAMES indicates what ... A “connection” is what a client program makes when it connects to the server, to begin a session within which it interacts with the ...
https://dev.mysql.com/doc/refman/5.7/en/enum.html
(The practical limit is less than 3000.) A table can have no more than 255 unique element list definitions among its ENUM and SET columns considered as a group. An ENUM is a string object with a value chosen from a list of permitted values that are ...
https://dev.mysql.com/doc/refman/5.7/en/sys-host-summary-by-statement-latency.html
The host_summary_by_statement_latency and x$host_summary_by_statement_latency views have these columns: host The host from which the client connected. Rows for which the HOST column in the underlying Performance Schema table is NULL are assumed to ...
https://dev.mysql.com/doc/refman/5.7/en/sys-host-summary-by-statement-type.html
These views summarize informaion about statements executed, grouped by host and statement type. By default, rows are sorted by host and descending total latency. The host_summary_by_statement_type and x$host_summary_by_statement_type views have ...
https://dev.mysql.com/doc/refman/5.7/en/sys-user-summary-by-statement-latency.html
The user_summary_by_statement_latency and x$user_summary_by_statement_latency views have these columns: user The client user name. Rows for which the USER column in the underlying Performance Schema table is NULL are assumed to be for background ...
https://dev.mysql.com/doc/refman/5.7/en/sys-user-summary-by-statement-type.html
These views summarize informaion about statements executed, grouped by user and statement type. By default, rows are sorted by user and descending total latency. The user_summary_by_statement_type and x$user_summary_by_statement_type views have ...
https://dev.mysql.com/doc/refman/5.7/en/assigning-passwords.html
Required credentials for clients that connect to the MySQL server can include a password. MySQL stores credentials in the user table in the mysql system database. Operations that assign or modify passwords are permitted only to users with the ...