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https://dev.mysql.com/doc/ndbapi/en/ndb-column.html
For example, if you retrieve the name “myColumn” for a given column, attempting to access this column using “Mycolumn” for the name fails with an error such as Column is NULL or Table definition has undefined column. Signature const void* ...
https://dev.mysql.com/doc/heatwave/en/mys-hw-comparison-functions-operators.html
The VARLEN Support column identifies functions and operators that support variable-length encoded string columns. Yes Check whether a value is within a range of values COALESCE() Yes Return the first non-NULL argument. = Yes Equal operator <=> ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-programs-ndb-mgmd.html
--bind-address=host Command-Line Format --bind-address=host Type String Default Value [none] Causes the management server to bind to a specific network interface (host name or IP address). cluster-config-suffix Command-Line Format ... The management ...
https://dev.mysql.com/doc/refman/8.4/en/mysqlimport.html
--character-sets-dir=dir_name Command-Line Format --character-sets-dir=path Type String Default Value [none] The directory where character sets are installed. --debug[=debug_options], -# [debug_options] Command-Line Format --debug[=debug_options] ...
https://dev.mysql.com/doc/refman/8.4/en/fulltext-boolean.html
With this modifier, certain characters have special meaning at the beginning or end of words in the search string. Specify the search words within a double-quoted string immediately before the @distance operator, for example, MATCH(col1) ... MySQL ...
https://dev.mysql.com/doc/c-api/8.4/en/mysql-stmt-error.html
const char * mysql_stmt_error(MYSQL_STMT *stmt) Description For the statement specified by stmt, mysql_stmt_error() returns a null-terminated string containing the error message for the most recently invoked statement API function that can succeed ...Either of these two tests can be used to check for an error: if(*mysql_stmt_errno(stmt)) { // an error occurred } if (mysql_stmt_error(stmt)[0]) { // an error occurred } If the failed statement API function was mysql_stmt_close(), do not call mysql_stmt_error() to obtain error information because mysql_stmt_close() makes the statement handler ...
https://dev.mysql.com/doc/refman/8.4/en/information-schema-introduction.html
MySQL uses the default collation for this character set (utf8mb3_general_ci) for all searches, sorts, comparisons, and other string operations on such columns. Because some MySQL objects are represented as files, searches in INFORMATION_SCHEMA ...
https://dev.mysql.com/doc/heatwave-aws/en/heatwave-aws-user-configurable-system-variables.html
User-Configurable System Variables 19.5 User-Configurable System Variables Configure the following global system variables with the MySQL HeatWave Console. Note:Click on the name of a system varuable in Table 19-7 to see its description in the ...
https://dev.mysql.com/doc/internals/en/optimizer-eliminating-dead-code.html
If a column cannot be NULL, the optimizer removes any non-relevant IS NULL conditions. Thus, WHERE not_null_column IS NULL is an always-false situation, and WHERE not_null_column IS NOT NULL is an always-true situation — so such columns are also ... A transformation takes place for conditions that are always true, for example: WHERE 0=0 AND column1='y' In this case, the first condition is removed, leaving WHERE column1='y' See: /sql/sql_select.cc, ...
https://dev.mysql.com/doc/ndbapi/en/mccj-using-clusterj-tables.html
ClusterJ's main purpose is to read, write, and update row data in an existing database, rather than to perform DDL. You can create the employee table that matches this interface, using the following CREATE TABLE statement, in a MySQL client ...