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Displaying posts with tag: General (reset)
What are the best MySQL Design Practices?

Tonight I provided a scope in Best Design Practices for MySQL Applications - Part A of just how much there is to consider with a successful application. I only scratched the surface in some detail, a topic one could easily write a book on, and definitely provide a number more presentations.

At 42SQL we follow the “Scale 2 Success” (tm) approach covering Architecture, Availability, Scalability and Accountability. With this we are able to clearly provide a strategy towards building successful scalable enterprise solutions. For more information on how we may be able to help your organization with any performance and scalability needs, please use the Contact Form.

You can find a copy of my slides for this presentation at …

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GlassFish and MySQL bundle


GlassFish and MySQL bundle was released a while ago and I finally got a chance to try it out. Here are simple instructions to get you started:

  1. Download GlassFish and MySQL co-bundle zip from here.
  2. Install the bundle (detailed docs)
    1. Create a temp directory and unzip the contents of bundle there. The contents are:

      -rw-r--r--   1 arungupta  arungupta   239703 Mar 19 02:57 3RD-PARTY-LICENSE.txt
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A short goodbye to 4.x

This includes the end of support for all things PHP 4 as noted by seemingly everybody on php planet. But I also wanted to reminds people that the same is more or less happening in the MySQL world too. Did you know that active support for MySQL 4.x ended along with the year 2006? Did you even know that MySQL 5.0 active support is ending this year!?! Given MySQL 5.1 no show mentality, they might have to review this. Well there is of course extended support that extends MySQL 4.0 support until this year, MySQL 4.1 until the end of next year and MySQl 5.0 until the end of 2011.

A short goodbye to 4.x

This includes the end of support for all things PHP 4 as noted by seemingly everybody on php planet. But I also wanted to reminds people that the same is more or less happening in the MySQL world too. Did you know that active support for MySQL 4.x ended along with the year 2006? Did you even know that MySQL 5.0 active support is ending this year!?! Given MySQL 5.1 no show mentality, they might have to review this. Well there is of course extended support that extends MySQL 4.0 support until this year, MySQL 4.1 until the end of next year and MySQl 5.0 until the end of 2011.

PHP on *nix with SQL Server 2005

I have my first SQL Server project lined up. So I am just interested in hearing some stories from the trenches form people that have been there already. How does PHP and SQL Server 2005 work out together? How do they work out together with *nix or Linux specifically? How do they work together with a Mac (since all the developers on the projects use Macs)? What are the limitations?

I heard some issues with NCHAR's when going through FreeTDS. Since this is a swiss client, we will of course have to make the application localized in German, Italien and French. What extensions are you using? Is PDO_DBLIB worth a look or should one better stick to ext/mssql? I do not envision I am going to do ueberfancy things. Well looking through the requirements we will have to read a PDF from the server. We will also make extensive use of FULLTEXT …

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PHP on *nix with SQL Server 2005

I have my first SQL Server project lined up. So I am just interested in hearing some stories from the trenches form people that have been there already. How does PHP and SQL Server 2005 work out together? How do they work out together with *nix or Linux specifically? How do they work together with a Mac (since all the developers on the projects use Macs)? What are the limitations?

I heard some issues with NCHAR's when going through FreeTDS. Since this is a swiss client, we will of course have to make the application localized in German, Italien and French. What extensions are you using? Is PDO_DBLIB worth a look or should one better stick to ext/mssql? I do not envision I am going to do ueberfancy things. Well looking through the requirements we will have to read a PDF from the server. We will also make extensive use of FULLTEXT …

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Firefox on OpenSolaris fixed (and installed bzr)

Thanks to Glynn for pointing me to the right thread on opensolaris.org (in a comment on my Good adventures with OpenSolaris post). The package verification thingy (pkg verify -v -f SUNWfirefox) did actually throw an error (indicating some sort of problem). So that’s pretty neat. The fact that it got into trouble in the first place isn’t good, but corruption detection is the next best thing.

I still occationally hit the bug in VirtualBox where if you have 127.0.0.1 in your resolv.conf on your host (e.g. running a local caching nameserver), VirtualBox passes this through to the guest, so the guest tries to use the guest 127.0.0.1 as a nameserver - this usually doesn’t work so well.

The good news is, Firefox now works in my OpenSolaris VM.

The bad news is that even though I’ve gone and …

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Using consistent data types for columns

I came across this error recently when trying to modify the data type of a column.

ERROR 1025 (HY000): Error on rename of './sakila/#sql-1d91_5' to './sakila/inventory' (errno: 150)

Not the first time, and not the last time. A common problem with InnoDB tables, is the lack of information, you need to dig deeper with the following command (and appropriate security a well organized security profile will NOT have).

mysql> SHOW ENGINE INNODB STATUS;

...

------------------------
LATEST FOREIGN KEY ERROR
------------------------
080717 20:00:28 Error in foreign key constraint of table sakila/inventory:
there is no index in the table which would contain
the columns as the first columns, or the data types in the
table do not match the ones in the referenced table
or one of the ON ... SET NULL columns is declared NOT NULL. Constraint:
,
  CONSTRAINT "fk_inventory_film" FOREIGN KEY ("film_id") REFERENCES "film" ("film_id") ON UPDATE CASCADE …
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More Drizzle thoughts

I am very glad to hear that Brian's vision for Drizzle seems to be quite pluggable. This hits home perfectly with my hopes .. well for Drizzle to be pluggable! While I have not had the time to install and play with Drizzle I did stumble over the list of what has been dropped from MySQL so far. I am not sure how complete this list is (for example VIEW's are not listed as having been removed, but it was said that they would be removed), but I assume that nothing on the list is on there falsely. So some brief observations:

1) No windows support, not really surprised about that one. First I assume that none of the developer are interested at this point to worry about Windows, nor do I think that there is much of a Drizzle target audience running Windows servers. That being said, plenty of developer are …

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MySQL involvement in OSCON opening keynote

Before I get to post my OSCON reflection I see I didn’t post this (which I reference).

At OSCON opening keynotes Tim O’Reilly Interviews Monty Widenius & Brian Aker. This provided some interesting answers in a Q & A session. Here is some of the discussion.

TO: So 6 months in. How is it with Sun?
BA: Really rewarding environment. My first question was? You are going to send me free H/W. No H/W has been delivered yet, or access to the masses, still hoping. Sun is a very engineering driven company.
MW. Thanks God we didn’t go public. Starting to do closed sourced components, going public this would have continued.

TO: Sun saved MySQL from public market/ insulated from market.
MW: 6 months in, Sun still trying to figure out what they bought. Sun has made a commitment to open source throughout the …

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