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https://dev.mysql.com/doc/refman/8.4/en/update.html
If you update a column that has been declared NOT NULL by setting to NULL, an error occurs if strict SQL mode is enabled; otherwise, the column is set to the implicit default value for the column data type and the warning count is incremented. The ... UPDATE is a DML statement that modifies rows in a ...
https://dev.mysql.com/doc/refman/8.4/en/gis-linestring-property-functions.html
ST_Length() handles its arguments as described in the introduction to this section, with these exceptions: If the geometry is not a LineString or MultiLineString, the return value is NULL. You can extract particular points of a LineString, count the ...If any geometry argument is not a syntactically well-formed geometry, an ER_GIS_INVALID_DATA error ...
https://dev.mysql.com/doc/refman/8.4/en/innodb-page-compression.html
InnoDB supports page-level compression for tables that reside in file-per-table tablespaces. Page compression is enabled by specifying the COMPRESSION attribute with CREATE TABLE or ALTER TABLE. Supported Platforms Page compression requires sparse ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-programs-ndb-blob-tool.html
--connect-string Command-Line Format --connect-string=connection_string Type String Default Value [none] Same as --ndb-connectstring. --database=db_name, -d Command-Line Format --database=name Type String Default Value [none] Specify the database to ... This tool can be used to check for and remove orphaned BLOB column parts from NDB tables, as well as to generate a file listing any orphaned ...
https://dev.mysql.com/doc/ndbapi/en/ndb-nodejs-api-mynode.html
ndb_connectstring: NDB Cluster connection string used to connect to the management server. If mappings is undefined, null, or an empty array, no mappings are loaded or validated. If mappings contains a string or a constructor function, the metadata ... This class is used to generate and obtain information about sessions (Session ...
https://dev.mysql.com/doc/c-api/8.4/en/mysql-error.html
const char * mysql_error(MYSQL *mysql) Description For the connection specified by mysql, mysql_error() returns a null-terminated string containing the error message for the most recently invoked API function that failed. If a function did not ...A ...
https://dev.mysql.com/doc/c-api/8.4/en/mysql-options4.html
The first and second strings indicate the key and value, respectively. The second argument points to a character string that provides the password value. Example This example demonstrates the calls that specify connection attributes: MYSQL mysql; ...
https://dev.mysql.com/doc/refman/8.4/en/version-tokens-usage.html
Each of those functions, if successful, returns a binary string indicating what action occurred. Version Tokens treats token names and values as binary strings, so comparisons are case-sensitive. Otherwise, an error occurs: mysql> SELECT ... Before ...
https://dev.mysql.com/doc/refman/8.4/en/innodb-redo-log.html
It can be any string of characters, with the exception of colons (:), which are not permitted. The default value is NULL, which does not permit activating redo log archiving. subdir can be empty, null, or it can be left out. Attempting to restart ...
https://dev.mysql.com/doc/connectors/en/connector-j-connp-props-security.html
paranoid Take measures to prevent exposure sensitive information in error messages and clear data structures holding sensitive data when possible? Default Value false Since Version 3.0.1 serverRSAPublicKeyFile File path to the server RSA public key ...