https://dev.mysql.com/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/mysql-cluster-programs-ndb-size-pl.html
This is a Perl script that can be used to estimate the amount of space that would be required by a MySQL database if it were converted to use the NDBCLUSTER storage engine. Unlike the other utilities discussed in this section, it does not require ...
https://dev.mysql.com/mysql-cluster-programs-ndb-top.html
--passwd[=password], -p Property Value Command-Line Format --passwd[=password] Type Boolean Default Value NULL Connect using this password. (Bug #26907833) --password[=password], -p Property Value Command-Line Format --password[=password] Type ...
https://dev.mysql.com/mysql-cluster-what-is-new.html
(If the object is a log file group or tablespace, the parent schema is NULL.) In addition, the ndb_sync_excluded_objects table shows the reason for which the object has been blacklisted. When the primary key is extended with an additional column or ... The following sections describe changes in the implementation of NDB Cluster in MySQL NDB Cluster 8.0 through 8.0.20, as compared to earlier release ...
https://dev.mysql.com/mysql-eof.html
In this case, a NULL return from mysql_fetch_row() always means the end of the result set has been reached and it is unnecessary to call mysql_eof(). Because an error may occur on the connection during this process, a NULL return value from ...
https://dev.mysql.com/mysql-error.html
const char *mysql_error(MYSQL *mysql) 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 fail, the return ...
https://dev.mysql.com/mysql-fetch-field-direct.html
For metadata-optional connections, this function returns NULL when the resultset_metadata system variable is set to NONE. MYSQL_FIELD *mysql_fetch_field_direct(MYSQL_RES *result, unsigned int fieldnr) Given a field number fieldnr for a column ...
https://dev.mysql.com/mysql-fetch-fields.html
For metadata-optional connections, this function returns NULL when the resultset_metadata system variable is set to NONE. MYSQL_FIELD *mysql_fetch_fields(MYSQL_RES *result) Returns an array of all MYSQL_FIELD structures for a result set. Each ...
https://dev.mysql.com/mysql-field-count.html
The normal use of this function is when mysql_store_result() returned NULL (and thus you have no result set pointer). See Section 28.7.28.1, “Why mysql_store_result() Sometimes Returns NULL After mysql_query() Returns Success”. unsigned int ...
https://dev.mysql.com/mysql-list-dbs.html
wild may contain the wildcard characters % or _, or may be a NULL pointer to match all databases. MYSQL_RES *mysql_list_dbs(MYSQL *mysql, const char *wild) Returns a result set consisting of database names on the server that match the simple ...