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https://dev.mysql.com/doc/refman/5.7/en/trigger-syntax.html
To create a trigger or drop a trigger, use the CREATE TRIGGER or DROP TRIGGER statement, described in Section 13.1.20, “CREATE TRIGGER Statement”, and Section 13.1.31, “DROP TRIGGER Statement”. Here is a simple example that associates a ...
https://dev.mysql.com/doc/refman/5.7/en/precision-math-expressions.html
If a numeric expression contains any strings, they are converted to double-precision floating-point values and the expression is approximate. For inserts of strings into numeric columns, conversion from string to number is handled as follows if the ... With precision math, exact-value numbers are used as given whenever ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-sql-statements.html
row *************************** PLUGIN_NAME: ndbcluster PLUGIN_VERSION: 1.0 PLUGIN_STATUS: ACTIVE PLUGIN_TYPE: STORAGE ENGINE PLUGIN_TYPE_VERSION: 50729.0 PLUGIN_LIBRARY: NULL PLUGIN_LIBRARY_VERSION: NULL PLUGIN_AUTHOR: MySQL AB PLUGIN_DESCRIPTION: ... This section discusses several SQL statements that can prove useful in managing and monitoring a MySQL server that is connected to an NDB Cluster, and in some cases provide information about the cluster ...
https://dev.mysql.com/doc/refman/5.7/en/audit-log-filter-definitions.html
Arguments can refer to predefined variables, event fields, or string or numeric constants. The following list describes the permitted predefined functions for function items: audit_log_exclude_accounts_is_null() Checks whether the ...For information ...
https://dev.mysql.com/doc/refman/5.7/en/constraint-enum.html
The value cannot be the error value (that is, 0 or the empty string). A SET value must be the empty string or a value consisting only of the values listed in the column definition separated by commas. For SET, the value is inserted as given except ... ENUM and SET columns provide an efficient way to define columns that can contain only a given set of ...
https://dev.mysql.com/doc/refman/5.7/en/firewall-usage.html
To name an account for firewall operations, specify it as a single quoted string ('user_name@host_name'). The requirement for naming accounts as a single quoted string for firewall operations means that you cannot use accounts that have embedded @ ... Before using MySQL Enterprise Firewall, install it according to the instructions provided in Section 6.4.6.2, “Installing or Uninstalling MySQL Enterprise ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-ndbd-definition.html
Data Memory, Index Memory, and String Memory DataMemory and IndexMemory are [ndbd] parameters specifying the size of memory segments used to store the actual records and their indexes. StringMemory Version (or later) NDB 7.5.0 Type or units % or ...
https://dev.mysql.com/doc/refman/5.7/en/gtid-functions.html
It is important to keep in mind that all of these functions take string representations of GTID sets as arguments. The union of two GTID sets is simply their representations as strings, joined together with an interposed comma. The GTID sets used ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-page-compression.html
InnoDB supports page-level compression for tables that reside in file-per-table tablespaces. Page compression is enabled by specifying the COMPRESSION attribute with CREATE TABLE or ALTER TABLE. Supported Platforms Page compression requires sparse ...
https://dev.mysql.com/doc/refman/5.7/en/change-replication-filter.html
Values used with REPLICATION_WILD_TABLE and REPLICATION_WILD_IGNORE_TABLE are string expressions, possibly containing (special) wildcard characters, and so must be quoted. Filters set using this statement differ from those set using the server ...