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https://dev.mysql.com/doc/refman/8.0/en/mysql-shell-tutorial-python-download.html
You can either: Start MySQL Shell in SQL mode and import the file by issuing: mysqlsh -u root --sql --file /tmp/world_x-db/world_x.sql Enter password: **** Set MySQL Shell to SQL mode while it is running and source the schema file by issuing: \sql ... As part of this quick-start guide, an example schema is provided which is referred to as the world_x ...
https://dev.mysql.com/doc/refman/8.0/en/mysqldump-definition-data-dumps.html
The --no-data option tells mysqldump not to dump table data, resulting in the dump file containing only statements to create the tables. Conversely, the --no-create-info option tells mysqldump to suppress CREATE statements from the output, so that ...
https://dev.mysql.com/doc/refman/8.0/en/security-options.html
The following table shows mysqld options and system variables that affect security. For descriptions of each of these, see Section 7.1.7, “Server Command Options”, and Section 7.1.8, “Server System Variables”.
https://dev.mysql.com/doc/refman/8.0/en/subquery-optimization.html
Note A limitation on UPDATE and DELETE statements that use a subquery to modify a single table is that the optimizer does not use semijoin or materialization subquery optimizations. As a workaround, try rewriting them as multiple-table UPDATE and ...
https://dev.mysql.com/doc/refman/8.0/en/sys-innodb-buffer-stats-by-schema.html
Do not query these views on a production system unless you are aware of the performance impact and have determined it to be acceptable. To avoid impacting performance on a production system, reproduce the issue you want to investigate and query ...
https://dev.mysql.com/doc/refman/8.0/en/sys-io-global-by-file-by-bytes.html
By default, rows are sorted by descending total I/O (bytes read and written). The io_global_by_file_by_bytes and x$io_global_by_file_by_bytes views have these columns: file The file path name. total The total number of bytes read and written for the ... These views summarize global I/O consumers to display amount of I/O, grouped by ...
https://dev.mysql.com/doc/refman/8.0/en/recovery-from-backups.html
To restore the changes made since then, we must use the incremental backups; that is, the gbichot2-bin.000007 and gbichot2-bin.000008 binary log files. | mysql For more information about using mysqlbinlog to process binary log files, see Section ...
https://dev.mysql.com/doc/refman/8.0/en/constant-folding-optimization.html
Comparisons between constants and column values in which the constant value is out of range or of the wrong type with respect to the column type are now handled once during query optimization rather row-by-row than during execution. The comparisons ...Consider the table created by the following statement: CREATE TABLE t (c TINYINT UNSIGNED NOT NULL); The WHERE condition in the query SELECT * FROM t WHERE c < 256 contains the integral constant 256 which is out of range for a TINYINT UNSIGNED ...
https://dev.mysql.com/doc/refman/8.0/en/sys-host-summary-by-statement-latency.html
The host_summary_by_statement_latency and x$host_summary_by_statement_latency views have these columns: host The host from which the client connected. Rows for which the HOST column in the underlying Performance Schema table is NULL are assumed to ...rows_sent The total number of rows returned by statements for the ...
https://dev.mysql.com/doc/refman/8.0/en/sys-user-summary-by-statement-latency.html
The user_summary_by_statement_latency and x$user_summary_by_statement_latency views have these columns: user The client user name. Rows for which the USER column in the underlying Performance Schema table is NULL are assumed to be for background ...