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https://dev.mysql.com/doc/refman/5.7/en/sys-create-synonym-db.html
Given a schema name, this procedure creates a synonym schema containing views that refer to all the tables and views in the original schema. This can be used, for example, to create a shorter name by which to refer to a schema with a long name ...
https://dev.mysql.com/doc/refman/5.7/en/sys-innodb-buffer-stats-by-schema.html
The innodb_buffer_stats_by_schema and x$innodb_buffer_stats_by_schema views have these columns: object_schema The schema name for the object, or InnoDB System if the table belongs to the InnoDB storage engine. These views summarize the information ...
https://dev.mysql.com/doc/refman/5.7/en/sys-innodb-buffer-stats-by-table.html
The innodb_buffer_stats_by_table and x$innodb_buffer_stats_by_table views have these columns: object_schema The schema name for the object, or InnoDB System if the table belongs to the InnoDB storage engine. These views summarize the information in ...
https://dev.mysql.com/doc/refman/5.7/en/sys-io-by-thread-by-latency.html
The io_by_thread_by_latency and x$io_by_thread_by_latency views have these columns: user For foreground threads, the account associated with the thread. These views summarize I/O consumers to display time waiting for I/O, grouped by thread.
https://dev.mysql.com/doc/refman/5.7/en/sys-io-global-by-file-by-bytes.html
The io_global_by_file_by_bytes and x$io_global_by_file_by_bytes views have these columns: file The file path name. These views summarize global I/O consumers to display amount of I/O, grouped by file. By default, rows are sorted by descending total ...
https://dev.mysql.com/doc/refman/5.7/en/sys-io-global-by-file-by-latency.html
The io_global_by_file_by_latency and x$io_global_by_file_by_latency views have these columns: file The file path name. These views summarize global I/O consumers to display time waiting for I/O, grouped by file. total_latency The total wait time of ...
https://dev.mysql.com/doc/refman/5.7/en/sys-io-global-by-wait-by-bytes.html
The io_global_by_wait_by_bytes and x$io_global_by_wait_by_bytes views have these columns: event_name The I/O event name, with the wait/io/file/ prefix stripped. These views summarize global I/O consumers to display amount of I/O and time waiting ...
https://dev.mysql.com/doc/refman/5.7/en/sys-io-global-by-wait-by-latency.html
The io_global_by_wait_by_latency and x$io_global_by_wait_by_latency views have these columns: event_name The I/O event name, with the wait/io/file/ prefix stripped. These views summarize global I/O consumers to display amount of I/O and time ...
https://dev.mysql.com/doc/refman/5.7/en/sys-latest-file-io.html
The latest_file_io and x$latest_file_io views have these columns: thread For foreground threads, the account associated with the thread (and port number for TCP/IP connections). These views summarize file I/O activity, grouped by file and thread.
https://dev.mysql.com/doc/refman/5.7/en/sys-memory-by-thread-by-current-bytes.html
The memory_by_thread_by_current_bytes and x$memory_by_thread_by_current_bytes views have these columns: thread_id The thread ID. By default, rows are sorted by descending amount of memory used. current_count_used The current number of allocated ...