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https://dev.mysql.com/doc/refman/8.4/en/data-type-defaults.html
Data type specifications can have explicit or implicit default values. A DEFAULT value clause in a data type specification explicitly indicates a default value for a column. Examples: CREATE TABLE t1 ( i INT DEFAULT -1, c VARCHAR(10) DEFAULT '', ...
https://dev.mysql.com/doc/refman/8.4/en/date-and-time-literals.html
Standard SQL and ODBC Date and Time Literals String and Numeric Literals in Date and Time Context Date and time values can be represented in several formats, such as quoted strings or as numbers, depending on the exact type of the value and other ...
https://dev.mysql.com/doc/refman/8.4/en/entering-queries.html
Make sure that you are connected to the server, as discussed in the previous section. Doing so does not in itself select any database to work with, but that is okay. At this point, it is more important to find out a little about how to issue ...
https://dev.mysql.com/doc/refman/8.4/en/faqs-replication.html
In the following section, we provide answers to questions that are most frequently asked about MySQL Replication. Must the replica be connected to the source all the time? A.14.2. Must I enable networking on my source and replica to enable ...
https://dev.mysql.com/doc/refman/8.4/en/federated-usagenotes.html
The following items indicate features that the FEDERATED storage engine does and does not support: The remote server must be a MySQL server. The remote table that a FEDERATED table points to must exist before you try to access the table through the ...
https://dev.mysql.com/doc/refman/8.4/en/gis-class-linestring.html
A LineString is a Curve with linear interpolation between points. LineString Examples On a world map, LineString objects could represent rivers. LineString Properties A LineString has coordinates of segments, defined by each consecutive pair of ...
https://dev.mysql.com/doc/refman/8.4/en/gis-class-multipoint.html
A MultiPoint is a geometry collection composed of Point elements. MultiPoint Examples On a world map, a MultiPoint could represent a chain of small islands. On a city map, a MultiPoint could represent the outlets for a ticket office. A MultiPoint ...
https://dev.mysql.com/doc/refman/8.4/en/gis-geometrycollection-property-functions.html
Unless otherwise specified, functions in this section handle their geometry arguments as follows: If any argument is NULL or any geometry argument is an empty geometry, the return value is NULL. If any geometry argument is not a syntactically ...
https://dev.mysql.com/doc/refman/8.4/en/gis-wkt-functions.html
These functions take as arguments a Well-Known Text (WKT) representation and, optionally, a spatial reference system identifier (SRID). For a description of WKT format, see Well-Known Text (WKT) Format. Functions in this section detect arguments in ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-system-variables.html
This section lists the system variables that are specific to the Group Replication plugin. The name of each Group Replication system variable is prefixed with group_replication_. Note InnoDB Cluster uses Group Replication, but the default values of ...