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https://dev.mysql.com/doc/refman/5.7/en/audit-log-file-reading.html
A successful call to audit_log_read() to read events returns a JSON string containing an array of audit events: If the final value of the returned array is not a JSON null value, there are more events following those just read and audit_log_read() ...audit_log_read() takes an optional JSON string argument, and the result returned from a successful call to either function is a JSON ...
https://dev.mysql.com/doc/refman/5.7/en/mysqlbinlog-row-events.html
# at 218 #080828 15:03:08 server id 1 end_log_pos 258 Write_rows: table id 17 flags: STMT_END_F BINLOG ' fAS3SBMBAAAALAAAANoAAAAAABEAAAAAAAAABHRlc3QAAXQAAwMPCgIUAAQ= fAS3SBcBAAAAKAAAAAIBAAAQABEAAAAAAAEAA//8AQAAAAVhcHBsZQ== '/*!*/; ### INSERT INTO ...
https://dev.mysql.com/doc/refman/5.7/en/cast-functions.html
Examples: For conversion of a “zero” date string to a date, CONVERT() and CAST() return NULL and produce a warning when the NO_ZERO_DATE SQL mode is enabled. Table 12.15 Cast Functions and Operators Name Description BINARY Cast a string to a ...
https://dev.mysql.com/doc/refman/5.7/en/constraint-invalid-data.html
For strings, MySQL stores either the empty string or as much of the string as can be stored in the column. If you try to store a string that does not start with a number into a numeric column, MySQL Server stores 0. If you try to store NULL into a ... MySQL 5.7.5 and later uses strict SQL mode by default, which treats invalid values such that the server rejects them and aborts the statement in which they occur (see Section 5.1.10, “Server SQL ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-memcached-setup.html
get H VALUE H 0 22 HYDERABAD|TELANGANA|IN END Configuring the InnoDB memcached Plugin Traditional memcached configuration options may be specified in a MySQL configuration file or a mysqld startup string, encoded in the argument of the ... This ...
https://dev.mysql.com/doc/refman/5.7/en/downgrading-to-previous-series.html
System Table Changes InnoDB Changes Logging Changes SQL Changes System Table Changes In MySQL 5.7.13, system table columns that store user@host string values were increased in length. All credentials are stored in the authentication_string column, ... Before downgrading from MySQL 5.7, review the information in this ...
https://dev.mysql.com/doc/refman/5.7/en/partitioning-columns-range.html
RANGE COLUMNS partitioning columns are not restricted to integer columns; string, DATE and DATETIME columns can also be used as partitioning columns. Range columns partitioning is similar to range partitioning, but enables you to define partitions ...
https://dev.mysql.com/doc/refman/5.7/en/data-type-defaults.html
In the definition of an integer column, it is an alias for NOT NULL AUTO_INCREMENT UNIQUE. Implicit Default Handling If a data type specification includes no explicit DEFAULT value, MySQL determines the default value as follows: If the column can ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-install-example-data.html
Note The information in this section applies to NDB Cluster running on both Unix and Windows platforms. Working with database tables and data in NDB Cluster is not much different from doing so in standard MySQL. There are two key points to keep in ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-what-is-new-7-5.html
This setting overrides --ndb-nodeid, which means that it also overrides both the --ndb-connectstring option and the NDB_CONNECTSTRING environment variable. Attempting to use any of these parameters in an NDB Cluster configuration file now results in ... Major changes and new features in NDB Cluster 7.5 which are likely to be of interest are shown in the following list: ndbinfo ...