https://dev.mysql.com/mysqlbinlog-row-events.html
These correspond to events with the WRITE_ROWS_EVENT, UPDATE_ROWS_EVENT, and DELETE_ROWS_EVENT type codes. # at 302 #080828 15:03:08 server id 1 end_log_pos 356 Update_rows: table id 17 flags: STMT_END_F BINLOG ' ... The following examples ...
https://dev.mysql.com/events-table.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 ... The EVENTS table provides information about Event Manager events, which are discussed in Section 24.4, “Using the Event ...
https://dev.mysql.com/files-table.html
For NDB: The date and time when the file was created. For NDB: The date and time when the file was last modified. For NDB: The date and time when the file was last accessed by the server. The CREATION_TIME, LAST_UPDATE_TIME, and LAST_ACCESSED values ... The FILES table provides information about the files in which MySQL tablespace data is ...
https://dev.mysql.com/fractional-seconds.html
MySQL 8.0 has fractional seconds support for TIME, DATETIME, and TIMESTAMP values, with up to microseconds (6 digits) precision: To define a column that includes a fractional seconds part, use the syntax type_name(fsp), where type_name is TIME, ...
https://dev.mysql.com/partitioning-list.html
List partitioning in MySQL is similar to range partitioning in many ways. As in partitioning by RANGE, each partition must be explicitly defined. The chief difference between the two types of partitioning is that, in list partitioning, each ...
https://dev.mysql.com/partitioning-subpartitions.html
Consider the following CREATE TABLE statement: CREATE TABLE ts (id INT, purchased DATE) PARTITION BY RANGE( YEAR(purchased) ) SUBPARTITION BY HASH( TO_DAYS(purchased) ) SUBPARTITIONS 2 ( PARTITION p0 VALUES LESS THAN (1990), PARTITION p1 VALUES LESS ... Subpartitioning—also known as composite partitioning—is the further division of each partition in a partitioned ...
https://dev.mysql.com/c-api-prepared-statement-data-structures.html
For date and time data types, buffer should point to a MYSQL_TIME structure. 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 ...
https://dev.mysql.com/group-replication-understanding-consistency-guarantees.html
If data is synchronized at the time of a read, the current client session waits until a given point, which is the point in time that all preceding update transactions have been applied, before it can start executing. you have a group that has a ...
https://dev.mysql.com/server-error-reference.html
FOR UPDATE, and so on) consistent between the different transactions or applications that experience the issue. Error number: 1217; Symbol: ER_ROW_IS_REFERENCED; SQLSTATE: 23000 Message: Cannot delete or update a parent row: a foreign key constraint ... The MySQL server writes some error messages to its error log, and sends others to client ...
https://dev.mysql.com/storage-requirements.html
InnoDB Table Storage Requirements NDB Table Storage Requirements Numeric Type Storage Requirements Date and Time Type Storage Requirements String Type Storage Requirements Spatial Type Storage Requirements JSON Storage Requirements The storage ...