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  • Apache timeouts and error log

    - by BlackFire27
    I have an error whenever I run my code for a certain time. I use a lot of loops and sql connections. I basically, put and take out links from my database. The problem is that there is some error thrown that I cant see, whenever I execute a long sql operation .. Note that the fault isnt the code. The code runs well, whenever there are a few links involved. But when there are over 200 links.. an error is thrown that I cants see. I tried to trace the error in a few places: C:\Program Files\Zend\ZendServer\logs\php_error.log C:\Program Files\Zend\phpMyAdmin\config.inc.php Edit Viewer in win xp I am running XP: Windows xp php version: 5.3.9-ZS5.6.0. Apache/2.2.21 Apacher version: (Win32) mod_ssl/2.2.21 OpenSSL/0.9.8o I cant trace the error at all, and why it happens. All I can suspect of, is that there is a server timeout..

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  • New Seagate SSD and Hard Disks

    - by jchang
    Seagate today announced a near complete overhaul of their enterprise product line. This include second generation SSD now with either SAS and SATA interfaces. The first generation Pulsar SSD only supported SATA interface. The new 2.5in 15K and 10K hard drive models have higher capacity. The 2.5in 7.2K hard drive was upgraded to 1TB last month? The 7.2K 3.5in is now available upto 3TB. All models support 6Gbps. The new second generation Seagate Pulsar SSD comprises two product lines. The Pulsar XT.2...(read more)

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  • Load Test Manifesto

    - by jchang
    Load testing used to be a standard part of the software development, but not anymore. Now people express a preference for assessing performance on the production system. There is a lack of confidence that a load test reflects what will actually happen in production. In essence, it has become accepted that the value of load testing is not worth the cost and time, and perhaps whether there is any value at all. The main problem is the load test plan criteria – excessive focus on perceived importance...(read more)

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  • The Switch Workshop, by Red Gate and Re-Wired Group

    Customers don’t just buy a product — they switch from something else. And customers don’t just leave a product — they switch to something else. It’s in these switching moments that the deepest customer insights can be found. On the 25th of July, a select group of 32 people will attend a unique, hands-on, full-day workshop at Red Gate to learn about “The Switch”. ‘Disturbing Development’Grant Fritchey & the DBA Team present the latest installment of the Top 5 hard-earned lessons of a DBA – read it now

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  • Data Mining: Part 14 Export DMX results with Integration Services

    In this chapter we will explain how to work with Data Mining models and the Integration Services. Specifically, we will talk about the Data Mining Query Task in SSIS. Free ebook "TortoiseSVN and Subversion Cookbook - Oracle Edition"Use these recipes to work better, faster, and do things you never knew you could do with SVN. If you're new to source control, this book provides a concise guide to getting the most out of Subversion. Download it for free.

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  • Trash Destination Adapter

    The Trash Destination and this article came from early experiences of using SSIS and community feedback at the time. When developing a package it is very useful to have a destination adapter that does nothing but consume rows with no setup requirement. You often want run a package part way through development, or just add a path so you can set a Data Viewer. There are stock tasks that can be used, but with the Trash Destination all columns are treated as selected automatically (usage type of read-only), so the pipeline knows they are required.

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  • Why Your Abstract Wasn't Selected

    - by AllenMWhite
    We're anxiously waiting to hear from PASS which sessions were selected for the 2014 Summit in November. It's a big job to go through the hundreds of submissions and pick the sessions that will appeal to the people who will be paying over $1,000 to attend this annual event. As I am also waiting to hear the results, I saw this article addressed to actors who didn't get cast for the part they worked so hard to audition for, and it seemed appropriate to address the same issues for would-be Summit speakers....(read more)

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  • What's the best practice for taking MySQL dump, encrypting it and then pushing to s3?

    - by HalogenCreative
    This current project requires that the DB be dumped, encrypted and pushed to s3. I'm wondering what might be some "best practices" for such a task. As of now I'm using a pretty straight ahead method but would like to have some better ideas where security is concerned. Here is the start of my script: mysqldump -u root --password="lepass" --all-databases --single-transaction > db.backup.sql tar -c db.backup.sql | openssl des3 -salt --passphrase foopass > db.backup.tarfile s3put backup/db.backup.tarfile db.backup.tarfile # Let's pull it down again and untar it for kicks s3get surgeryflow-backup/db/db.backup.tarfile db.backup.tarfile cat db.backup.tarfile | openssl des3 -d -salt --passphrase foopass |tar -xvj Obviously the problem is that this script everything an attacker would need to raise hell. Any thoughts, critiques and suggestions for this task will be appreciated.

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  • Database development/admin - What exactly should I be trying to learn? [closed]

    - by Sauron
    I've been a bit weary about approaching learning databases. I've dabbled into them before, and "DATA" in itself appeals to me a lot. Maintaining/searching/moving, everything about it in the abstract sense I love. (This isn't a career question, this is a learning question.) But as RDBMS's begin to be easier to maintain, and with tools that "anyone" can use to manage data I feared for the database admin jobs. (Yet I see jobs for SQL everywhere!). I know "No-SQL" was a big deal but it kinda has its niche. But that leaves me here... unsure of really "what" to study. What tools should I have in my tool belt? I'm sure RDBMS's will be around in both use and maintaining legacy code. But what else? Obviously data will always be around, but is this a secure field or a dying one? And what should I be concentrating on?

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  • Does the direction of storage make us bad data citizens?

    - by simonsabin
      My career started at a company where we hardly had email, the network was a 10base2 affair with cables running all around the office. You used floppy disks and the thought of a GB of data was absurd. You had to look after every byte and only keep what you really needed. Whilst the cost of the spinning disks gradually falls the cost and size of flash storage continues to plummet. The new Crucial SSD is £380 for 1TB I can now keep 128GB of data on a SD card the size of my finger. It only costs...(read more)

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  • Removing extra commas in CSV without another data source

    - by fi-no
    We have a large database with customer addresses that was exported from an SQL database to CSV. In the event that a company has a comma in their name, it (predictably) throws the whole database out of whack. Unfortunately, there are so many instances of this (and commas in the second address line) that the whole CSV (~100k rows) is a huge mess. The obvious fix is to export the data again in a different, non comma reliant format, but access to that SQL database is more or less impossible at the moment... I've tried a few tools and brainstormed about combining things to fix this, but I figured asking couldn't hurt. Thanks!

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  • Whats the problem with reporting ?

    - by simonsabin
    Its the reports.   Take this for example, it is a report generated during a demo of Report Builder 3.0 by someone in MS marketing. She says things like “..and you can see easily how my divisions are doing”. No you can’t you’ve just got a bunch of numbers. This is really the issue with reporting systems and especially with Microsoft reporting. The problem is that people think generating a report is about getting lists of numbers onto a page. Reporting services is great at doing that and its very...(read more)

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  • LOB Pointer Indexing Proposal

    - by jchang
    My observations are that IO to lob pages (and row overflow pages as well?) is restricted to synchronous IO, which can result in serious problems when these reside on disk drive storage. Even if the storage system is comprised of hundreds of HDDs, the realizable IO performance to lob pages is that of a single disk, with some improvement in parallel execution plans. The reason for this appears to be that each thread must work its way through a page to find the lob pointer information, and then generates...(read more)

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  • Looking for some advice on the next steps to take [closed]

    - by mopsyd
    I am looking for some advice on the next step to take in development of my programming skills. I was directed here when asking this question on Stack Overflow. What I know already Have a solid grasp of xhtml, xml, php, javascript, MySQL, actionscript. Have a working knowledge of vb, and have a slight grasp of java from tinkering with a minecraft server. Some brief exposure to the Unreal Engine in college. Some skills with sql server, ms sql, office integration, etc. Also some knowledge of Asterix and PBX/VOIP. Been coding off and on since the age of 8 but I have no computer science education aside from what I have taught myself or learned from work/freelance. I work in OSX mostly, but can use/troubleshoot windows and ubuntu fluently also. Decent with both UNIX and DOS CLI. What I'm considering I'm looking to learn a scripting language to build web apps, help streamline my home server that I am building and run shell scripts. Being able to help code games later is a big plus. My Question Between java, ruby, perl, and python, which would be the best investment of my time considering what I already know and what direction I would like to take my skillset? What are good resources for your suggested direction? Thanks in advance.

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  • PASS Summit 2012

    - by NeilHambly
    Today is 19th June and after nearly busting @ the seams for a week or so, I can along with many others now annouce the news that I had a selected Abstract and will therefore be speaking @ this years PASS Summit... I do feel special to have been chosen and I know a number of VERY talented and experienced speaker that where less fortunate.. So I have to pull oput all the stops to make this the BEST session I have ever given My session is a longer version (= more Demo's) and somewhat different version...(read more)

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  • Speaking at PASS 2012… Exciting and Scary… As usual…

    - by drsql
    I have been selected this year at the PASS Summit 2012 to do two sessions, and they are both going to be interesting. Pre-Con: Relational Database Design Workshop - Abstract Triggers: Born Evil or Misunderstood? - Abstract The pre-con session entitled Relational Database Design Workshop will be (at least) the third time I will have done this pre-con session, and I am pretty excited to take it to a bit larger scale. The one big change that I am forcing this time is a limit on the lecture time. Each...(read more)

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  • Row Count Plus Transformation

    As the name suggests we have taken the current Row Count Transform that is provided by Microsoft in the Integration Services toolbox and we have recreated the functionality and extended upon it. There are two things about the current version that we thought could do with cleaning up Lack of a custom UI You have to type the variable name yourself In the Row Count Plus Transformation we solve these issues for you.

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