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https://dev.mysql.com/doc/refman/8.4/en/replication-rules-channel-based-filters.html
Channel specific replication filters are particularly useful in a multi-source replication topology when the same database or table is present on multiple sources, and the replica is only required to replicate it from one source. Overview of ...
https://dev.mysql.com/doc/refman/8.4/en/select-into.html
SELECT id, data INTO @x, @y FROM test.t1 LIMIT 1; INTO var_list can also be used with a TABLE statement, subject to these restrictions: The number of variables must match the number of columns in the table. If the table contains more than one row, ...INTO form of SELECT enables a query result to be stored in variables or written to a file: SELECT ...
https://dev.mysql.com/doc/refman/8.4/en/string-type-syntax.html
In some cases, MySQL may change a string column to a type different from that given in a CREATE TABLE or ALTER TABLE statement. See Section 10.4.7, “Limits on Table Column Count and Row Size”. The string data types are CHAR, VARCHAR, BINARY, ...
https://dev.mysql.com/doc/refman/8.4/en/signal.html
Without SIGNAL, it is necessary to resort to workarounds such as deliberately referring to a nonexistent table to cause a routine to return an error. The following statements cause that error because the named condition is associated with a MySQL ...
https://dev.mysql.com/doc/workbench/en/wb-what-is-new-8.html
New and changed keywords: ARRAY FAILED_LOGIN_ATTEMPTS MASTER_COMPRESSION_ALGORITHM MASTER_TLS_CIPHERSUITES MASTER_ZSTD_COMPRESSION_LEVEL MEMBER OFF PASSWORD_LOCK_TIME PRIVILEGE_CHECKS_USER RANDOM REQUIRE_ROW_FORMAT REQUIRE_TABLE_PRIMARY_KEY_CHECK ...
https://dev.mysql.com/doc/refman/8.4/en/identifiers.html
Certain objects within MySQL, including database, table, index, column, alias, view, stored procedure, partition, tablespace, resource group and other object names are known as identifiers. Use of the dollar sign as the first character in the ...
https://dev.mysql.com/doc/refman/8.4/en/local-variable-scope.html
A local variable should not have the same name as a table column. Consequently, when the procedure sp1()is called, the newname variable returns the value 'bob' regardless of the value of the table1.xname column. The scope of a local variable is the ...
https://dev.mysql.com/doc/ndbapi/en/ndb-index.html
Index Class Overview Index Class Constructor Index::addColumn() Index::addColumnName() Index::addColumnNames() Index::getColumn() Index::getLogging() Index::getName() Index::getNoOfColumns() Index::getObjectStatus() Index::getObjectVersion() ...It ...
https://dev.mysql.com/doc/relnotes/heatwave/en/news-9-5-0.html
(WL #16950) MySQL HeatWave GenAI now supports automatic creation of Vector Indexes using advanced index structures like Hierarchical Navigable Small World (HNSW) for frequently queried vector columns in vector store and embedding tables, enabling ...
https://dev.mysql.com/doc/refman/8.4/en/ibd2sdi.html
ibd2sdi is a utility for extracting serialized dictionary information (SDI) from InnoDB tablespace files. ibd2sdi can be run on file-per-table tablespace files (*.ibd files), general tablespace files (*.ibd files), system tablespace files (ibdata* ...ibd2sdi can be used at runtime or while the server is ...