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https://dev.mysql.com/doc/refman/5.7/en/charset-unicode-utf32.html
The utf32 character set is fixed length (like ucs2 and unlike utf16). utf32 uses 32 bits for every character, unlike ucs2 (which uses 16 bits for every character), and unlike utf16 (which uses 16 bits for some characters and 32 bits for others).
https://dev.mysql.com/doc/refman/5.7/en/checking-gpg-signature-windows.html
The Section 2.1.4.2, “Signature Checking Using GnuPG” section describes how to verify MySQL downloads using GPG. That guide also applies to Microsoft Windows, but another option is to use a GUI tool like Gpg4win. You may use a different tool ...
https://dev.mysql.com/doc/refman/5.7/en/comp-err.html
comp_err creates the errmsg.sys file that is used by mysqld to determine the error messages to display for different error codes. It compiles the errmsg.sys file from the text-format error information file located at sql/share/errmsg-utf8.txt in ...
https://dev.mysql.com/doc/refman/5.7/en/comparison-operators.html
Table 12.4 Comparison Operators Name Description > Greater than operator >= Greater than or equal operator < Less than operator <>, != Not equal operator <= Less than or equal operator <=> NULL-safe equal to operator = Equal operator BETWEEN ...
https://dev.mysql.com/doc/refman/5.7/en/corrupted-myisam-tables.html
You should try to create a reproducible test case that demonstrates the problem. Even though the MyISAM table format is very reliable (all changes to a table made by an SQL statement are written before the statement returns), you can still get ...
https://dev.mysql.com/doc/refman/5.7/en/cursor-restrictions.html
The same restrictions apply to internal temporary tables created to hold the result set for a cursor as for other uses of internal temporary tables. Server-side cursors are implemented in the C API using the mysql_stmt_attr_set() function. A ...
https://dev.mysql.com/doc/refman/5.7/en/cursors.html
Cursors have these properties: Asensitive: The server may or may not make a copy of its result table Read only: Not updatable Nonscrollable: Can be traversed only in one direction and cannot skip rows Cursor declarations must appear before handler ...
https://dev.mysql.com/doc/refman/5.7/en/deallocate-prepare.html
If too many prepared statements are created and not deallocated by either the DEALLOCATE PREPARE statement or the end of the session, you might encounter the upper limit enforced by the max_prepared_stmt_count system variable. {DEALLOCATE | DROP} ...
https://dev.mysql.com/doc/refman/5.7/en/diagnostics-area.html
SQL statements produce diagnostic information that populates the diagnostics area. Standard SQL has a diagnostics area stack, containing a diagnostics area for each nested execution context. Standard SQL also supports GET STACKED DIAGNOSTICS syntax ...
https://dev.mysql.com/doc/refman/5.7/en/downgrade-before-you-begin.html
Note The downgrade procedures described in the following sections assume you are downgrading with data files created or modified by the newer MySQL version. The backup should include the mysql database, which contains the MySQL system tables. Review ...