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https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-programs-ndb-print-backup-file.html
These files are found in the data node's backup directory under the subdirectory BACKUP-#, where # is the sequence number for the backup. This can be any of the files (.Data, .ctl, or .log file) found in a cluster backup directory. For more ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-programs-ndbmtd.html
The names of these files have the following pattern: ndb_node_id_trace.log.trace_id_tthread_id, In this pattern, node_id stands for the data node's unique node ID in the cluster, trace_id is a trace sequence number, and thread_id is the thread ID.
https://dev.mysql.com/doc/refman/8.0/en/mysql-installer-catalog-dashboard.html
This behavior represents a change in how MySQL Server performs an upgrade (see Section 3.4, “What the MySQL Upgrade Process Upgrades”) and it alters the sequence of steps that MySQL Installer applies to the configuration process. This section ...
https://dev.mysql.com/doc/refman/8.0/en/null-values.html
The NULL value means “no data.” NULL can be written in any lettercase. Be aware that the NULL value is different from values such as 0 for numeric types or the empty string for string types. For text file import or export operations performed ...
https://dev.mysql.com/doc/refman/8.0/en/number-literals.html
Number literals include exact-value (integer and DECIMAL) literals and approximate-value (floating-point) literals. Numbers may be preceded by - or + to indicate a negative or positive value, respectively. Numbers represented in scientific notation ...
https://dev.mysql.com/doc/refman/8.0/en/option-defaults-equals.html
Due to this behavior, problems can occasionally arise when no value is provided for an option that expects one. Consider the following example, where a user connects to a MySQL server running on host tonfisk as user jon: $> mysql --host 85.224.35.45 ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-log-status-table.html
It also provides relevant information for individual storage engines, such as the last log sequence number (LSN) and the LSN of the last checkpoint taken for the InnoDB storage engine. The log_status table provides information that enables an ...
https://dev.mysql.com/doc/refman/8.0/en/privilege-changes.html
If the mysqld server is started without the --skip-grant-tables option, it reads all grant table contents into memory during its startup sequence. The in-memory tables become effective for access control at that point. If you modify the grant ...
https://dev.mysql.com/doc/refman/8.0/en/problems-with-null.html
For example, if you insert NULL into an integer or floating-point column that has the AUTO_INCREMENT attribute, the next number in the sequence is inserted. The concept of the NULL value is a common source of confusion for newcomers to SQL, who ...
https://dev.mysql.com/doc/refman/8.0/en/secure-client-programming.html
Handle External Data Properly Handle MySQL Error Messages Properly Handle External Data Properly Applications that access MySQL should not trust any data entered by users, who can try to trick your code by entering special or escaped character ...