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https://dev.mysql.com/doc/refman/8.4/en/limit-optimization.html
row *************************** id: 1 select_type: SIMPLE table: t partitions: NULL type: range possible_keys: i key: i key_len: 8 ref: NULL rows: 14 filtered: 100.00 Extra: Using index condition; Using filesort See also Section 10.9.2, ... If you ...
https://dev.mysql.com/doc/refman/8.4/en/partitioning-list.html
Note In MySQL 8.4, it is possible to match against only a list of integers (and possibly NULL—see Section 26.2.7, “How MySQL Partitioning Handles NULL”) when partitioning by LIST. List partitioning in MySQL is similar to range partitioning in ...
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 ...
https://dev.mysql.com/doc/ndbapi/en/ndb-nodejs-api-mynode.html
If mappings is undefined, null, or an empty array, no mappings are loaded or validated. If mappings is undefined, null, or an empty array, no mappings are loaded or validated. This class is used to generate and obtain information about sessions ...
https://dev.mysql.com/doc/connector-j/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 ...
https://dev.mysql.com/doc/refman/8.4/en/innodb-redo-log.html
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 the server after an unexpected server stoppage while redo logging is disabled is refused with the ... The redo log is a disk-based data structure used during crash recovery to correct data written by incomplete ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-programs-ndb-blob-tool.html
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 parts. It is sometimes useful in diagnosing and repairing corrupted or damaged NDB tables containing BLOB ...
https://dev.mysql.com/doc/refman/8.4/en/version-tokens-usage.html
Otherwise, an error occurs: mysql> SELECT version_tokens_lock_shared('lock1', 'lock2', 0); +-------------------------------------------------+ | version_tokens_lock_shared('lock1', 'lock2', 0) | +-------------------------------------------------+ | ... Before using Version Tokens, install it according to the instructions provided at Section 7.6.6.2, “Installing or Uninstalling Version ...
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 ...
https://dev.mysql.com/doc/c-api/8.4/en/mysql-options4.html
Example This example demonstrates the calls that specify connection attributes: MYSQL mysql; mysql_init(&mysql); mysql_options(&mysql,MYSQL_OPT_CONNECT_ATTR_RESET, 0); mysql_options4(&mysql,MYSQL_OPT_CONNECT_ATTR_ADD, "key1", "value1"); ... int ...