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https://dev.mysql.com/doc/refman/8.4/en/creating-tables.html
You want a table that contains a record for each of your pets. This can be called the pet table, and it should contain, as a bare minimum, each animal's name. Because the name by itself is not very interesting, the table should contain other ...
https://dev.mysql.com/doc/refman/8.4/en/spatial-relation-functions-object-shapes.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. ST_Crosses() handles its arguments as described in the ... The OpenGIS specification defines the following functions to test the relationship between two geometry values g1 and g2, using precise object ...
https://dev.mysql.com/doc/refman/8.4/en/create-table-ndb-comment-options.html
NDB_COLUMN Options NDB_TABLE Options It is possible to set a number of options specific to NDB Cluster in the table comment or column comments of an NDB table. Table-level options for controlling read from any replica and partition balance can be ...
https://dev.mysql.com/doc/refman/8.4/en/query-attributes.html
The component implements a mysql_query_attribute_string() loadable function that takes an attribute name argument and returns the attribute value as a string, or NULL if the attribute does not exist. The first SELECT shows how to retrieve those ...
https://dev.mysql.com/doc/ndbapi/en/ndbapi-examples-common-files.html
*/ class ReadOnlyArrayAdapter { public: ReadOnlyArrayAdapter() {} enum ErrorType {Success, InvalidColumnType, InvalidArrayType, InvalidNullColumn, InvalidNullAttribute, InvalidNullaRef, BytesOutOfRange, UnknownError}; /* Return a C++ string from the ... In the NDB Cluster source distribution, the storage/ndb/ndbapi-examples directory storage/ndb/ndbapi-examples/common contains four header files with utilities for use in example NDB API ...
https://dev.mysql.com/doc/x-devapi-userguide/en/collection-modify.html
The modify(SearchConditionStr) function is for modifying documents in a collection, similar to an UPDATE statement for an SQL database. It takes a search condition string (SearchConditionStr) as a parameter to specify the documents that are to be ...
https://dev.mysql.com/doc/refman/8.4/en/getting-information.html
To find out which database is currently selected, use the DATABASE() function: mysql> SELECT DATABASE(); +------------+ | DATABASE() | +------------+ | menagerie | +------------+ If you have not yet selected any database, the result is NULL. What ...
https://dev.mysql.com/doc/refman/8.4/en/information-schema-events-table.html
If the event's timing is determined by an EVERY clause instead of an AT clause (that is, if the event is recurring), the value of this column is NULL. This is displayed as a DATETIME value, and is NULL if no start date and time are defined for the ... The EVENTS table provides information about Event Manager events, which are discussed in Section 27.4, “Using the Event ...
https://dev.mysql.com/doc/extending-mysql/8.4/en/server-plugin-descriptors.html
init: A once-only initialization function, or NULL if there is no such function. deinit: A once-only deinitialization function, or NULL if there is no such function. status_vars: A pointer to a structure for status variables associated with the ...
https://dev.mysql.com/doc/refman/8.4/en/partitioning-info.html
row *************************** id: 1 select_type: SIMPLE table: trb1 partitions: p0,p1,p2,p3 type: ALL possible_keys: NULL key: NULL key_len: NULL ref: NULL rows: 10 Extra: Using filesort In this case, all four partitions are searched. row ... This ...