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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-information-schema-system-tables.html
You can extract metadata about schema objects managed by InnoDB using InnoDB INFORMATION_SCHEMA tables. Traditionally, you would get this type of information using the techniques from Section 17.17, “InnoDB Monitors”, setting up InnoDB monitors ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-memcached-internals.html
InnoDB API for the InnoDB memcached Plugin The InnoDB memcached engine accesses InnoDB through InnoDB APIs, most of which are directly adopted from embedded InnoDB. InnoDB API functions are passed to the InnoDB memcached engine as callback ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-row-format.html
The row format of a table determines how its rows are physically stored, which in turn can affect the performance of queries and DML operations. As more rows fit into a single disk page, queries and index lookups can work faster, less cache memory ...
https://dev.mysql.com/doc/refman/8.0/en/known-issues.html
This section lists known issues in recent versions of MySQL. For information about platform-specific issues, see the installation and debugging instructions in Section 2.1, “General Installation Guidance”, and Section 7.9, “Debugging MySQL”. The following problems are known: Subquery optimization for IN is not as effective as for ...
https://dev.mysql.com/doc/refman/8.0/en/replication-options-replica.html
This section explains the server options and system variables that apply to replica servers and contains the following: Startup Options for Replica Servers System Variables Used on Replica Servers Specify the options either on the command line or ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-install-example-data.html
Note The information in this section applies to NDB Cluster running on both Unix and Windows platforms. Working with database tables and data in NDB Cluster is not much different from doing so in standard MySQL. There are two key points to keep in ...
https://dev.mysql.com/doc/refman/8.0/en/glossary.html
These terms are commonly used in information about the MySQL database server. Files with this extension are always included in backups produced by the mysqlbackup command of the MySQL Enterprise Backup product. Files with this extension are always ...
https://dev.mysql.com/doc/refman/8.0/en/account-names.html
MySQL account names consist of a user name and a host name, which enables creation of distinct accounts for users with the same user name who connect from different hosts. This section describes the syntax for account names, including special ...
https://dev.mysql.com/doc/refman/8.0/en/cast-functions.html
Table 14.15 Cast Functions and Operators Name Description Deprecated BINARY Cast a string to a binary string 8.0.27 CAST() Cast a value as a certain type CONVERT() Cast a value as a certain type Cast functions and operators enable conversion of ...