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https://dev.mysql.com/doc/refman/8.0/en/channels-commands-single-channel.html
The requester must wait while the transaction is completed and the rotation takes place. This behavior prevents transactions from being split, which is not permitted for Group Replication.
https://dev.mysql.com/doc/refman/8.0/en/charset-baltic-sets.html
The Baltic character sets cover Estonian, Latvian, and Lithuanian languages. cp1257 (Windows Baltic) collations: cp1257_bin cp1257_general_ci (default) cp1257_lithuanian_ci latin7 (ISO 8859-13 Baltic) collations: latin7_bin latin7_estonian_cs ...
https://dev.mysql.com/doc/refman/8.0/en/charset-ce-sets.html
MySQL provides some support for character sets used in the Czech Republic, Slovakia, Hungary, Romania, Slovenia, Croatia, Poland, and Serbia (Latin).
https://dev.mysql.com/doc/refman/8.0/en/charset-compatibility.html
For MaxDB compatibility these two statements are the same: CREATE TABLE t1 (f1 CHAR(N) UNICODE); CREATE TABLE t1 (f1 CHAR(N) CHARACTER SET ucs2); Both the UNICODE attribute and the ucs2 character set are deprecated in MySQL 8.0.28.
https://dev.mysql.com/doc/refman/8.0/en/commands-out-of-sync.html
If you get Commands out of sync; you can't run this command now in your client code, you are calling client functions in the wrong order. This can happen, for example, if you are using mysql_use_result() and try to execute a new query before you ...
https://dev.mysql.com/doc/refman/8.0/en/condition-handling-restrictions.html
SIGNAL, RESIGNAL, and GET DIAGNOSTICS are not permissible as prepared statements. In standard SQL, the first condition relates to the SQLSTATE value returned for the previous SQL statement. For example, this statement is invalid: PREPARE stmt1 FROM ...
https://dev.mysql.com/doc/refman/8.0/en/connection-management.html
This includes a description of the available connection interfaces, how the server uses connection handler threads, details about the administrative connection interface, and management of DNS lookups.
https://dev.mysql.com/doc/refman/8.0/en/constraint-invalid-data.html
By default, MySQL 8.0 rejects invalid or improper data values and aborts the statement in which they occur. It is possible to alter this behavior to be more forgiving of invalid values, such that the server coerces them to valid ones for data ...
https://dev.mysql.com/doc/refman/8.0/en/creating-many-tables.html
If you have many MyISAM tables in the same database directory, open, close, and create operations are slow. If you execute SELECT statements on many different tables, there is a little overhead when the table cache is full, because for every table ...
https://dev.mysql.com/doc/refman/8.0/en/creating-spatial-columns.html
MySQL provides a standard way of creating spatial columns for geometry types, for example, with CREATE TABLE or ALTER TABLE. Spatial columns are supported for MyISAM, InnoDB, NDB, and ARCHIVE tables. See also the notes about spatial indexes under ...