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https://dev.mysql.com/doc/refman/8.4/en/sys-statements-with-full-table-scans.html
db The default database for the statement, or NULL if there is none. These views display normalized statements that have done full table scans. By default, rows are sorted by descending percentage of time a full scan was done and descending total ...
https://dev.mysql.com/doc/refman/8.4/en/sys-statements-with-runtimes-in-95th-percentile.html
db The default database for the statement, or NULL if there is none. These views list statements with runtimes in the 95th percentile. The statements_with_runtimes_in_95th_percentile and x$statements_with_runtimes_in_95th_percentile views have ...
https://dev.mysql.com/doc/refman/8.4/en/sys-statements-with-sorting.html
db The default database for the statement, or NULL if there is none. The statements_with_sorting and x$statements_with_sorting views have these columns: query The normalized statement string. total_latency The total wait time of timed occurrences of ...
https://dev.mysql.com/doc/refman/8.4/en/sys-statements-with-temp-tables.html
db The default database for the statement, or NULL if there is none. These views list normalized statements that have used temporary tables. By default, rows are sorted by descending number of on-disk temporary tables used and descending number of ...
https://dev.mysql.com/doc/c-api/8.4/en/mysql-get-ssl-cipher.html
Return Values A string naming the encryption cipher used for the connection, or NULL if the connection is not encrypted. const char * mysql_get_ssl_cipher(MYSQL *mysql) Description mysql_get_ssl_cipher() returns the encryption cipher used for the ...
https://dev.mysql.com/doc/c-api/8.4/en/mysql-set-character-set.html
Example MYSQL mysql; mysql_init(&mysql); if (!mysql_real_connect(&mysql,"host","user","passwd","database",0,NULL,0)) { fprintf(stderr, "Failed to connect to database: Error: %s\n", mysql_error(&mysql)); } if (!mysql_set_character_set(&mysql, ... int ...
https://dev.mysql.com/doc/c-api/8.4/en/mysql-set-local-infile-handler.html
Write the message as a null-terminated string, at most error_msg_len−1 bytes long. void mysql_set_local_infile_handler(MYSQL *mysql, int (*local_infile_init)(void **, const char *, void *), int (*local_infile_read)(void *, char *, unsigned int), ...
https://dev.mysql.com/doc/c-api/8.4/en/mysql-stmt-send-long-data.html
bool mysql_stmt_send_long_data(MYSQL_STMT *stmt, unsigned int parameter_number, const char *data, unsigned long length) Description Enables an application to send parameter data to the server in pieces (or “chunks”). It can be called multiple ...
https://dev.mysql.com/doc/c-api/8.4/en/query-results.html
mysql_info() returns a NULL pointer if there is no additional information. In addition to the result set returned by a query, you can also get the following information: mysql_affected_rows() returns the number of rows affected by the last query ...
https://dev.mysql.com/doc/relnotes/connector-j/en/news-8-0-20.html
(Bug #30877755) Setting the connection property clientInfoProvider without using the fully qualified class name for ClientInfoProviderSP caused a NullPointerException. (Bug #30636056) A NullPointerException was returned when the connection had ...