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https://dev.mysql.com/doc/refman/8.0/en/hexadecimal-literals.html
Hexadecimal literal values are written using X'val' or 0xval notation, where val contains hexadecimal digits (0..9, A..F). Lettercase of the digits and of any leading X does not matter. A leading 0x is case-sensitive and cannot be written as 0X.
https://dev.mysql.com/doc/refman/8.0/en/innodb-dedicated-server.html
If one of the variables listed previously is set explicitly in an option file or elsewhere, this explicit value is used, and a startup warning similar to this one is printed to stderr: [Warning] [000000] InnoDB: Option innodb_dedicated_server is ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-disabling-tablespace-path-validation.html
This feature is intended for environments where tablespace files are not moved. Manually moved tablespace files will not be detected! Warning Starting the server with tablespace path validation disabled after moving tablespace files can lead to ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-enabling-monitors.html
When this option is used, InnoDB creates a file named innodb_status.pid in the data directory and writes output to it every 15 seconds, approximately. If an abnormal shutdown occurs, the status file may have to be removed manually. When InnoDB ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-information-schema-examples.html
Note This section describes locking information as exposed by the Performance Schema data_locks and data_lock_waits tables, which supersede the INFORMATION_SCHEMA INNODB_LOCKS and INNODB_LOCK_WAITS tables in MySQL 8.0. For similar discussion ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-information-schema-internal-data.html
Note This section describes locking information as exposed by the Performance Schema data_locks and data_lock_waits tables, which supersede the INFORMATION_SCHEMA INNODB_LOCKS and INNODB_LOCK_WAITS tables in MySQL 8.0. For similar discussion ...The ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-information-schema-transactions.html
Note This section describes locking information as exposed by the Performance Schema data_locks and data_lock_waits tables, which supersede the INFORMATION_SCHEMA INNODB_LOCKS and INNODB_LOCK_WAITS tables in MySQL 8.0. For similar discussion ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-information-schema-understanding-innodb-locking.html
Note This section describes locking information as exposed by the Performance Schema data_locks and data_lock_waits tables, which supersede the INFORMATION_SCHEMA INNODB_LOCKS and INNODB_LOCK_WAITS tables in MySQL 8.0. For similar discussion ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-online-ddl-operations.html
Online support details, syntax examples, and usage notes for DDL operations are provided under the following topics in this section. Some factors affect the performance, space usage, and semantics of this operation. This is a non-standard behavior ...Index Operations Primary Key Operations Column Operations Generated Column Operations Foreign Key Operations Table Operations Tablespace Operations Partitioning Operations Index Operations The following table provides an overview of online DDL support for index ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-performance-optimizer-statistics.html
This section describes how to configure persistent and non-persistent optimizer statistics for InnoDB tables. You can manually modify the mysql.innodb_table_stats and mysql.innodb_index_stats tables to force a specific query optimization plan or to ...Persistent optimizer statistics are persisted across server restarts, allowing for greater plan stability and more consistent query ...