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https://dev.mysql.com/doc/refman/8.0/en/precision-math-numbers.html
The scope of precision math for exact-value operations includes the exact-value data types (integer and DECIMAL types) and exact-value numeric literals. Approximate-value data types and numeric literals are handled as floating-point numbers.
https://dev.mysql.com/doc/refman/8.0/en/replication-features-differing-tables.html
Source and target tables for replication do not have to be identical. A table on the source can have more or fewer columns than the replica's copy of the table. In addition, corresponding table columns on the source and the replica can use ...
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/mysql-cluster-programs-ndb-size-pl.html
This is a Perl script that can be used to estimate the amount of space that would be required by a MySQL database if it were converted to use the NDBCLUSTER storage engine. Unlike the other utilities discussed in this section, it does not require ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-command-options.html
mysql supports the following options, which can be specified on the command line or in the [mysql] and [client] groups of an option file. For information about option files used by MySQL programs, see Section 6.2.2.2, “Using Option Files”. This ...
https://dev.mysql.com/doc/refman/8.0/en/audit-log-legacy-filtering.html
Note This section describes legacy audit log filtering, which applies if the audit_log plugin is installed without the accompanying audit tables and functions needed for rule-based filtering. Legacy Mode Audit Log Filtering is deprecated as of ...
https://dev.mysql.com/doc/refman/8.0/en/audit-log-logging-configuration.html
This section describes how to configure audit logging characteristics, such as the file to which the audit log plugin writes events, the format of written events, whether to enable log file compression and encryption, and space management. For ...
https://dev.mysql.com/doc/refman/8.0/en/clone-plugin-options-variables.html
This section describes the system variables that control operation of the clone plugin. If values specified at startup are incorrect, the clone plugin may fail to initialize properly and the server does not load it. In this case, the server may ...
https://dev.mysql.com/doc/refman/8.0/en/comparison-operators.html
Table 14.4 Comparison Operators Name Description > Greater than operator >= Greater than or equal operator < Less than operator <>, != Not equal operator <= Less than or equal operator <=> NULL-safe equal to operator = Equal operator BETWEEN ...
https://dev.mysql.com/doc/refman/8.0/en/flow-control-functions.html
The second syntax returns the result for the first condition that is true. If no comparison or condition is true, the result after ELSE is returned, or NULL if there is no ELSE part. Note The syntax of the CASE operator described here differs ...