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A Quick Look at MySQL 5.4

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Old 04-21-2009
A Quick Look at MySQL 5.4
Although MySQL 5.1 was released in December of 2008, Sun Microsystems isn't wasting any time moving forward with a number of new and exciting enhancements for its next release, MySQL 5.4. The first item of note is that the MySQL Server will be returning to a release early/often paradigm. So, instead of waiting on a full set of previously agreed upon features to be ready, the goal will now be to adhere to time-controlled releases that include all features that are ready by an agreed-upon beta date, with any features not fully 'baked' simply rolling to the next release. This being the case, MySQL 5.4 won't include some large new features like the Falcon transactional storage engine and the new backup utility, but it will include a number of very desirable enhancements that help your database-driven systems scale better and run faster in many cases. Let's take a look at what's included...

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LEARN ABOUT DEBIAN

mysql::diff

MySQL::Diff(3pm)					User Contributed Perl Documentation					  MySQL::Diff(3pm)

NAME

       MySQL::Diff - Generates a database upgrade instruction set

SYNOPSIS

	 use MySQL::Diff;

	 my $md = MySQL::Diff->new( %options );
	 my $db1 = $md->register_db($ARGV[0], 1);
	 my $db2 = $md->register_db($ARGV[1], 2);
	 my $diffs = $md->diff();

DESCRIPTION

       Generates the SQL instructions required to upgrade the first database to match the second.

METHODS

   Constructor
       new( %options )
	   Instantiate the objects, providing the command line options for database access and process requirements.

   Public Methods
       Fuller documentation will appear here in time :)

       o   register_db($name,$inx)

	   Reference the database, and setup a connection. The name can be an already existing 'MySQL::Diff::Database' database object. The index
	   can be '1' or '2', and refers both to the order of the diff, and to the host, port, username and password arguments that have been
	   supplied.

       o   db1()

       o   db2()

	   Return the first and second databases registered via "register_db()".

       o   diff()

	   Performs the diff, returning a string containing the commands needed to change the schema of the first database into that of the
	   second.

COPYRIGHT AND LICENSE

       Copyright (c) 2000-2011 Adam Spiers. All rights reserved. This program is free software; you can redistribute it and/or modify it under the
       same terms as Perl itself.

SEE ALSO

       mysqldiff, MySQL::Diff::Database, MySQL::Diff::Table, MySQL::Diff::Utils

AUTHOR

       Adam Spiers <mysqldiff@adamspiers.org>

perl v5.14.2							    2012-04-06							  MySQL::Diff(3pm)