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https://dev.mysql.com/doc/refman/9.7/en/innodb-information-schema-metrics-table.html
The INNODB_METRICS table provides information about InnoDB performance and resource-related counters. SET GLOBAL innodb_monitor_disable = [counter-name|module_name|pattern|all]; innodb_monitor_reset: Resets counter values to zero. SET GLOBAL ...
https://dev.mysql.com/doc/refman/9.7/en/bit-functions.html
Table 14.17 Bit Functions and Operators Name Description & Bitwise AND >> Right shift << Left shift ^ Bitwise XOR BIT_COUNT() Return the number of bits that are set | Bitwise OR ~ Bitwise inversion The following list describes available bit ...
https://dev.mysql.com/doc/refman/9.7/en/information-schema-files-table.html
The FILES table provides information about the files in which MySQL tablespace data is stored. In NDB Cluster, this table also provides information about the files in which NDB Cluster Disk Data tables are stored. For additional information ...
https://dev.mysql.com/doc/refman/9.7/en/json-modification-functions.html
The functions in this section modify JSON values and return the result. JSON_ARRAY_APPEND(json_doc, path, val[, path, val] ...) Appends values to the end of the indicated arrays within a JSON document and returns the result. An error occurs if the ...
https://dev.mysql.com/doc/refman/9.7/en/window-functions-frames.html
The definition of a window used with a window function can include a frame clause. A frame is a subset of the current partition and the frame clause specifies how to define the subset. Frames are determined with respect to the current row, which ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-replication-conflict-resolution.html
Requirements Source Column Control Conflict Resolution Control Conflict Resolution Functions Conflict Resolution Exceptions Table Conflict Detection Status Variables Examples When using a replication setup involving multiple sources (including ...
https://dev.mysql.com/doc/refman/9.7/en/srjs-data-arguments.html
Most MySQL data types are supported for MLE stored program input and output arguments, as well as for return data types. The data types are listed here: Integer: All variants and aliases of MySQL integer data types are supported, including TINYINT, ...
https://dev.mysql.com/doc/refman/9.7/en/logical-operators.html
Table 14.5 Logical Operators Name Description AND, && Logical AND NOT, ! Negates value OR, || Logical OR XOR Logical XOR In SQL, all logical operators evaluate to TRUE, FALSE, or NULL (UNKNOWN). In MySQL, these are implemented as 1 (TRUE), 0 ...
https://dev.mysql.com/doc/refman/9.7/en/window-function-descriptions.html
This section describes nonaggregate window functions that, for each row from a query, perform a calculation using rows related to that row. Most aggregate functions also can be used as window functions; see Section 14.19.1, “Aggregate Function ...
https://dev.mysql.com/doc/refman/9.7/en/encryption-functions.html
If you want to store these results, use a column with a VARBINARY or BLOB binary string data type. This avoids potential problems with trailing space removal or character set conversion that would change data values, such as may occur if you use a ...