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https://dev.mysql.com/doc/internals/en/zlib-directory.html
The method for reducing the size of any arbitrary string of bytes is as follows: Find a substring which occurs twice in the string. Replace the second occurrence of the substring with (a) a pointer to the first occurrence, plus (b) an indication of ...zlib is a data compression library used to support the compressed protocol and the COMPRESS/UNCOMPRESS functions under ...
https://dev.mysql.com/doc/refman/8.4/en/xml-functions.html
Table 14.16 XML Functions Name Description ExtractValue() Extract a value from an XML string using XPath notation UpdateXML() Return replaced XML fragment This section discusses XML and related functionality in MySQL. Note It is possible to obtain ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-ndb-api-statistics.html
You can obtain values for a particular set of variables by additionally filtering for the substring session, replica, or injector in the variable name (along with the common prefix Ndb_api). A number of types of statistical counters relating to ...
https://dev.mysql.com/doc/refman/8.4/en/function-resolution.html
ADDDATE BIT_AND BIT_OR BIT_XOR CAST COUNT CURDATE CURTIME DATE_ADD DATE_SUB EXTRACT GROUP_CONCAT MAX MID MIN NOW POSITION SESSION_USER STD STDDEV STDDEV_POP STDDEV_SAMP SUBDATE SUBSTR SUBSTRING SUM SYSDATE SYSTEM_USER TRIM VARIANCE VAR_POP VAR_SAMP ... MySQL supports built-in (native) functions, loadable functions, and stored ...
https://dev.mysql.com/doc/heatwave/en/mys-hw-rpd-query-stats-table.html
OFFLOAD_FAIL_QUERY_SUBSTR_START Points to the start of the query substring that is responsible for the offload failure in the original query. OFFLOAD_FAIL_QUERY_SUBSTR_LEN Length of the query substring that is responsible for the offload failure in ... The rpd_query_stats table stores query compilation and execution statistics produced by the MySQL HeatWave plugin in JSON ...
https://dev.mysql.com/doc/mysqld-version-reference/en/built-in-functions.html
The following table shows all built-in functions and operators available in MySQL Server. Introduced: The version or versions in which the item was introduced. Deprecated: The version or versions in which the item was deprecated. Removed: The ...
https://dev.mysql.com/doc/refman/8.4/en/constraint-enum.html
For SET, the value is inserted as given except that any invalid substrings are deleted. ENUM and SET columns provide an efficient way to define columns that can contain only a given set of values. See Section 13.3.5, “The ENUM Type”, and ...
https://dev.mysql.com/doc/heatwave/en/mys-hw-tpch-quickstart.html
The tpch Analytics Quickstart shows how to import data into the DB System using the MySQL Shell Parallel Table Import Utility, manually loading data into MySQL HeatWave Cluster, and running queries. This quickstart contains the following sections: ...
https://dev.mysql.com/doc/refman/8.4/en/extensions-to-ansi.html
MySQL Server supports some extensions that you are not likely to find in other SQL DBMSs. Be warned that if you use them, your code is most likely not portable to other SQL servers. For example, MySQL Server recognizes the STRAIGHT_JOIN keyword in ...
https://dev.mysql.com/doc/heatwave/en/mys-hw-data-load-prerequisites.html
Your queries do not perform operations such as LIKE, SUBSTR, CONCAT, etc., on the column. This topic describes how to prepare your data for loading into MySQL HeatWave. Prepare Data Before loading data, ensure that you meet the following ...
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