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https://dev.mysql.com/doc/refman/5.7/en/fetch.html
To detect this condition, you can set up a handler for it (or for a NOT FOUND condition). This statement fetches the next row for the SELECT statement associated with the specified cursor (which must be open), and advances the cursor pointer. If a ...
https://dev.mysql.com/doc/refman/5.7/en/mysqlbinlog-server-id.html
You can use mysqlbinlog to request log files from a server in several ways: Specify an explicitly named set of files: For each file, mysqlbinlog connects and issues a Binlog dump command. Specify the beginning file and --to-last-log: mysqlbinlog ...
https://dev.mysql.com/doc/refman/5.7/en/performance-schema-replication-applier-status-table.html
The maximum number of retries for a given transaction is set by the slave_transaction_retries system variable. The table provides information about general aspects of transaction applier status that are not specific to any thread involved. This ...
https://dev.mysql.com/doc/refman/5.7/en/backup-types.html
This type of backup is suitable for large, important databases that need to be recovered quickly when problems occur. Logical backups save information represented as logical database structure (CREATE DATABASE, CREATE TABLE statements) and content ...Physical (Raw) Versus Logical Backups Physical backups consist of raw copies of the directories and files that store database ...
https://dev.mysql.com/doc/refman/5.7/en/manual-info.html
This is the Reference Manual for the MySQL Database System, version 5.7, through release 5.7.44. Typographical and Syntax Conventions This manual uses certain typographical conventions: Text in this style is used for SQL statements; database, ...
https://dev.mysql.com/doc/refman/5.7/en/rewriter-query-rewrite-plugin-installation.html
Run the chosen script as follows: $> mysql -u root -p < install_rewriter.sql Enter password: (enter root password here) The example here uses the install_rewriter.sql installation script. To verify that, connect to the server and execute this ...
https://dev.mysql.com/doc/refman/5.7/en/performance-schema-replication-applier-status-by-worker-table.html
The following statement shows whether or not that transaction has been committed: SELECT GTID_SUBSET(LAST_SEEN_TRANSACTION, @@GLOBAL.GTID_EXECUTED) FROM performance_schema.replication_applier_status_by_worker; If the statement returns zero, the ...
https://dev.mysql.com/doc/refman/5.7/en/performance-schema-replication-connection-status-table.html
RECEIVED_TRANSACTION_SET The set of global transaction IDs (GTIDs) corresponding to all transactions received by this replica. Issuing RESET MASTER or RESET SLAVE resets the values shown in these columns. LAST_ERROR_TIMESTAMP A timestamp in YYMMDD ... This table shows the current status of the replication I/O thread that handles the replica's connection to the ...
https://dev.mysql.com/doc/refman/5.7/en/show-master-status.html
row *************************** File: source-bin.000002 Position: 1307 Binlog_Do_DB: test Binlog_Ignore_DB: manual, mysql Executed_Gtid_Set: 3E11FA47-71CA-11E1-9E33-C80AA9429562:1-5 1 row in set (0.00 sec) When global transaction IDs are in use, ...
https://dev.mysql.com/doc/refman/5.7/en/subqueries.html
All subquery forms and operations that the SQL standard requires are supported, as well as a few features that are MySQL-specific. They provide alternative ways to perform operations that would otherwise require complex joins and unions. A ...Here ...