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https://dev.mysql.com/doc/refman/8.0/en/upgrade-binary-package.html
For example: mysqld_safe --user=mysql --datadir=/path/to/existing-datadir & If there are encrypted InnoDB tablespaces, use the --early-plugin-load option to load the keyring plugin. When you start the MySQL 8.0 server, it automatically detects ...
https://dev.mysql.com/doc/refman/8.0/en/nontransactional-tables.html
If you receive the following message when trying to perform a ROLLBACK, it means that one or more of the tables you used in the transaction do not support transactions: Warning: Some non-transactional changed tables couldn't be rolled back These ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-ndb-sync-excluded-objects-table.html
This table provides information about NDB database objects which cannot be automatically synchronized between NDB Cluster's dictionary and the MySQL data dictionary. row *************************** SCHEMA_NAME: NULL NAME: ts1 TYPE: TABLESPACE ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-statement-histogram-summary-tables.html
The Performance Schema maintains statement event summary tables that contain information about minimum, maximum, and average statement latency (see Section 29.12.20.3, “Statement Summary Tables”). Section 29.12.6, “Performance Schema ...To ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-status-variable-summary-tables.html
The Performance Schema makes status variable information available in the tables described in Section 29.12.15, “Performance Schema Status Variable Tables”. It also makes aggregated status variable information available in summary tables, ...
https://dev.mysql.com/doc/refman/8.0/en/handler.html
] HANDLER tbl_name CLOSE The HANDLER statement provides direct access to table storage engine interfaces. OPEN statement opens a table, making it accessible using subsequent HANDLER ... This table object is not shared by other sessions and is not ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-object-filtering.html
The setup_objects table controls whether the Performance Schema monitors particular table and stored program objects. TABLE filtering affects table I/O events (wait/io/table/sql/handler instrument) and table lock events (wait/lock/table/sql/handler ...The OBJECT_TYPE column indicates the type of object to which a row ...
https://dev.mysql.com/doc/refman/8.0/en/partitioning-selection.html
This option always follows the name of the table to which the partition or partitions belong. Each name in this list must be the name of an existing partition or subpartition of the specified table; if any of the partitions or subpartitions are not ... Explicit selection of partitions and subpartitions for rows matching a given WHERE condition is ...
https://dev.mysql.com/doc/refman/8.0/en/storage-requirements.html
For more information, see Chapter 18, Alternative Storage Engines, and Section 10.4.7, “Limits on Table Column Count and Row Size”. You can increase the size of an NDB blob column's blob part to the maximum of 13948 using NDB_COLUMN in a column ... InnoDB Table Storage Requirements NDB Table Storage Requirements Numeric Type Storage Requirements Date and Time Type Storage Requirements String Type Storage Requirements Spatial Type Storage Requirements JSON Storage Requirements The storage requirements for table data on disk depend on several ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema-innodb-cmp-table.html
The INNODB_CMP and INNODB_CMP_RESET tables provide status information on operations related to compressed InnoDB tables. The INNODB_CMP and INNODB_CMP_RESET tables have these columns: PAGE_SIZE The compressed page size in bytes. row ...COMPRESS_OPS ...