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https://dev.mysql.com/doc/refman/9.7/en/example-auto-increment.html
You can also explicitly assign 0 to the column to generate sequence numbers, unless the NO_AUTO_VALUE_ON_ZERO SQL mode is enabled. For example: INSERT INTO animals (id,name) VALUES(0,'groundhog'); If the column is declared NOT NULL, it is also ...
https://dev.mysql.com/doc/refman/9.7/en/extensions-to-ansi.html
MySQL Server supports some extensions that you are not likely to find in other SQL DBMSs. Be warned that if you use them, your code is most likely not portable to other SQL servers. For example, MySQL Server recognizes the STRAIGHT_JOIN keyword in ...
https://dev.mysql.com/doc/refman/9.7/en/sys-statement-performance-analyzer.html
Creates a report of the statements running on the server. The views are calculated based on the overall and/or delta activity. This procedure disables binary logging during its execution by manipulating the session value of the sql_log_bin system ...
https://dev.mysql.com/doc/refman/9.7/en/sys-ps-is-thread-instrumented.html
Returns YES or NO to indicate whether Performance Schema instrumentation for a given connection ID is enabled, UNKNOWN if the ID is unknown, or NULL if the ID is NULL. This is a value of the type given in the PROCESSLIST_ID column of the ...
https://dev.mysql.com/doc/refman/9.7/en/flow-control-functions.html
The second syntax returns the result for the first condition that is true. If no comparison or condition is true, the result after ELSE is returned, or NULL if there is no ELSE part. Note The syntax of the CASE operator described here differs ...
https://dev.mysql.com/doc/refman/9.7/en/sys-ps-is-instrument-default-timed.html
Returns YES or NO to indicate whether a given Performance Schema instrument is timed by default. Example mysql> SELECT sys.ps_is_instrument_default_timed('memory/innodb/row_log_buf'); ...
https://dev.mysql.com/doc/refman/9.7/en/sys-ps-is-instrument-default-enabled.html
Returns YES or NO to indicate whether a given Performance Schema instrument is enabled by default. Example mysql> SELECT sys.ps_is_instrument_default_enabled('memory/innodb/row_log_buf'); ...
https://dev.mysql.com/doc/refman/9.7/en/sys-ps-is-consumer-enabled.html
Returns YES or NO to indicate whether a given Performance Schema consumer is enabled, or NULL if the argument is NULL. If the argument is not a valid consumer name, an error occurs. This function accounts for the consumer hierarchy, so a consumer ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-command-options.html
mysql supports the following options, which can be specified on the command line or in the [mysql] and [client] groups of an option file. For information about option files used by MySQL programs, see Section 6.2.2.2, “Using Option Files”.
https://dev.mysql.com/doc/refman/9.7/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 ...