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Rechercher dans le manuel MySQL
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https://dev.mysql.com/show-events.html
Execute At For a one-time event, this is the DATETIME value specified in the AT clause of the CREATE EVENT statement used to create the event, or of the last ALTER EVENT statement that modified the event. This is displayed as a DATETIME value, and ... SHOW EVENTS [{FROM | IN} schema_name] [LIKE 'pattern' | WHERE expr] This statement displays information about Event Manager events, which are discussed in Section 24.4, “Using the Event ...
https://dev.mysql.com/expressions.html
For the - operator, INTERVAL expr unit is permitted only on the right side, because it makes no sense to subtract a date or datetime value from an interval. This section lists the grammar rules that expressions must follow in MySQL and provides ...
https://dev.mysql.com/server-error-reference.html
Error number: 1880; Symbol: ER_OLD_TEMPORALS_UPGRADED; SQLSTATE: HY000 Message: TIME/TIMESTAMP/DATETIME columns of old format have been upgraded to the new format. Error number: 3588; Symbol: ER_WINDOW_RANGE_FRAME_TEMPORAL_TYPE; SQLSTATE: HY000 ...
https://dev.mysql.com/comparison-operators.html
Examples: If you compare a DATETIME to two DATE values, convert the DATE values to DATETIME values. For DATE and DATETIME columns that are declared as NOT NULL, you can find the special date '0000-00-00' by using a statement like this: SELECT * FROM ...Whether a value is not within a range of values !=, <> Not equal operator NOT IN() Whether a value is not within a set of values NOT LIKE Negation of simple pattern matching STRCMP() Compare two strings Comparison operations result in a value of 1 (TRUE), 0 (FALSE), or ...
https://dev.mysql.com/partitioning-range.html
Partition the table by RANGE COLUMNS, using a DATE or DATETIME column as the partitioning column. A table that is partitioned by range is partitioned in such a way that each partition contains rows for which the partitioning expression value lies ...
https://dev.mysql.com/time-zone-support.html
The session time zone setting does not affect values displayed by functions such as UTC_TIMESTAMP() or values in DATE, TIME, or DATETIME columns. If you want locale-specific arithmetic for DATE, TIME, or DATETIME values, convert them to UTC, perform ... This section describes the time zone settings maintained by MySQL, how to load the system tables required for named time support, how to stay current with time zone changes, and how to enable leap-second ...
https://dev.mysql.com/c-api-prepared-statement-data-structures.html
MYSQL_TIME This structure is used to send and receive DATE, TIME, DATETIME, and TIMESTAMP data directly to and from the server. Set the buffer member to point to a MYSQL_TIME structure, and set the buffer_type member of a MYSQL_BIND structure to one ... Prepared statements use several data structures: To obtain a statement handler, pass a MYSQL connection handler to mysql_stmt_init(), which returns a pointer to a MYSQL_STMT data ...
https://dev.mysql.com/using-date.html
MySQL also permits a “relaxed” string format when updating and in a WHERE clause that compares a date to a DATE, DATETIME, or TIMESTAMP column. When you compare a DATE, TIME, DATETIME, or TIMESTAMP to a constant string with the <, <=, =, >=, >, ...You should use this format in UPDATE expressions and in the WHERE clause of SELECT ...
https://dev.mysql.com/partitioning-columns-list.html
This is a variant of LIST partitioning that enables the use of multiple columns as partition keys, and for columns of data types other than integer types to be used as partitioning columns; you can use string types, DATE, and DATETIME columns. In ...
https://dev.mysql.com/partitioning-pruning.html
Pruning can also be applied for tables partitioned on a DATE or DATETIME column when the partitioning expression uses the YEAR() or TO_DAYS() function. Important Invalid DATE and DATETIME values referenced in the WHERE condition of a statement ...
Document created the 26/06/2006, last modified the 26/10/2018
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