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End of Product Lifecycle. Active development and support for MySQL database server versions 3.23, 4.0, and 4.1 has ended. However, for MySQL 4.0 and 4.1, there is still extended support available. For details, see http://www.mysql.com/company/legal/lifecycle/#calendar. According to the MySQL Lifecycle Policy (see http://www.mysql.com/company/legal/lifecycle/#policy), only Security and Severity Level 1 issues will still be fixed for MySQL 4.0 and 4.1. Please consider upgrading to a recent version (MySQL 5.0 or 5.1).
Added HIGH_PRIORITY option to
INSERT. This overrides the
effect of the
--low-priority-updates server
option and does not perform concurrent inserts.
Allow the ALTER TABLE
syntax.
tbl_name ADD (field_list)
Fixed problem with optimizer that could sometimes use incorrect keys.
Fixed that GRANT/REVOKE ALL PRIVILEGES
doesn't affect GRANT OPTION.
Removed extra “)” from the
output of SHOW GRANTS.
Fixed problem when storing numbers in timestamps.
Fix problem with time zones that have half hour offsets.
Allow the syntax UNIQUE INDEX in
CREATE statements.
mysqlhotcopy - fast online hot-backup utility for local MySQL databases. By Tim Bunce.
New more secure mysqlaccess. Thanks to Steve Harvey for this.
Added
--i-am-a-dummy
and --safe-updates options to
mysql.
Added select_limit and
max_join_size variables to
mysql.
Added sql_max_join_size and
sql_safe_updates options.
Added READ LOCAL lock that doesn't lock the
table for concurrent inserts. (This is used by
mysqldump.)
Changed that LOCK TABLES ... READ no longer
allows concurrent inserts.
Added --skip-delay-key-write option to
mysqld.
Fixed security problem in the protocol regarding password checking.
_rowid can now be used as an alias for an
integer type unique indexed column.
Added back blocking of SIGPIPE when
compiling with --thread-safe-clients to make
things safe for old clients.


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