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https://dev.mysql.com/doc/refman/8.0/en/source-configuration-options.html
Use the SHOW COLLATION statement to determine which collations are available for each character set. This value can be set at server startup with the --collation_server option. The CMake program provides a great deal of control over how you ...
https://dev.mysql.com/doc/refman/8.0/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/8.0/en/alter-table-examples.html
row *************************** Table: t1 Create Table: CREATE TABLE `t2` ( `c1` int(11) DEFAULT NULL ) /*!50100 TABLESPACE ts_1 STORAGE DISK */ ENGINE=ndbcluster DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci 1 row in set (0.01 sec) To change ...For NDB tables, it is also possible to change the storage type used for a table or ...
https://dev.mysql.com/doc/refman/8.0/en/analyze-table.html
row *************************** SCHEMA_NAME: mydb TABLE_NAME: t COLUMN_NAME: c1 HISTOGRAM: {"buckets": [[206, 0.0625], [456, 0.125], [608, 0.1875]], "data-type": "int", "null-values": 0.0, "collation-id": 8, "last-updated": "2022-10-11 ...ANALYZE ...
https://dev.mysql.com/doc/refman/8.0/en/blob.html
They have the binary character set and collation, and comparison and sorting are based on the numeric values of the bytes in column values. They have a character set other than binary, and values are sorted and compared based on the collation of the ... A BLOB is a binary large object that can hold a variable amount of ...
https://dev.mysql.com/doc/refman/8.0/en/built-in-function-reference.html
The following table lists each built-in (native) function and operator and provides a short description of each one. For a table listing functions that are loadable at runtime, see Section 14.2, “Loadable Function Reference”. ->> Return value ...
https://dev.mysql.com/doc/refman/8.0/en/charset-metadata.html
(See Section 12.4, “Connection Character Sets and Collations”.) Alternatively, a client program can perform the conversion after receiving the result from the server. Because it is a well-known principle that “what applies to a superset can ...
https://dev.mysql.com/doc/refman/8.0/en/create-table-foreign-keys.html
For nonbinary (character) string columns, the character set and collation must be the same. row *************************** Table: child Create Table: CREATE TABLE `child` ( `id` int DEFAULT NULL, `parent_id` int DEFAULT NULL, KEY `par_ind` ...
https://dev.mysql.com/doc/refman/8.0/en/create-table-gipks.html
row *************************** Table: auto_0 Create Table: CREATE TABLE `auto_0` ( `c1` varchar(50) DEFAULT NULL, `c2` int DEFAULT NULL ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci 1 row in set (0.00 sec) mysql> SHOW CREATE ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema-general-table-reference.html
The following table summarizes INFORMATION_SCHEMA general tables. For greater detail, see the individual table descriptions. Table 28.2 INFORMATION_SCHEMA General Tables Table Name Description Introduced Deprecated ADMINISTRABLE_ROLE_AUTHORIZATIONS ...