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  • Mit Oracle Datenbanken in die Pole-Position!

    - by Alliances & Channels Redaktion
    Stellen Sie sich vor, Sie haben die Wahl zwischen einem hübschen, aber uralten Kleinwagen und einem stylischen Tourenwagen auf technischem Höchststand. Beide haben etwas für sich, keine Frage, doch auf der Rennstrecke, wo es allein um Performance geht, ist Nostalgie fehl am Platz. Nicht anders ist es mit Datenbanken. Wer also Wert auf Leistung, Sicherheit und die optimale Ausnutzung von Hardware und IT-Ressourcen legt, sollte sich für ein Database-Tuning entscheiden. Die wesentlichen Vorteile der Oracle Datenbanken bringt dieses Video kurz und knackig auf den Punkt – und ist damit auch bestens zum Einsatz bei Kunden geeignet. Oracle Database Tuning from Worm Marketing Consulting GmbH on Vimeo.

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  • The Problem Should Define the Process, Not the Tool

    - by thatjeffsmith
    All around awesome tool, but not the only gadget in your toolbox.I’m stepping down from my SQL Developer pulpit today and standing up on my philosophical soap box. I’m frequently asked to help folks transition from one set of database tools over to Oracle SQL Developer, which I’m MORE than happy to do. But, I’m not looking to simply change the way people interact with Oracle database. What I care about is your productivity. Is there a faster, more efficient way for you to connect the dots, get from A to B, or just get home to your kids or to the pub for happy hour? If you have defined a business process around a specific tool, what happens when that tool ‘goes away?’ Does the business stop? No, you feel immediate pain until you are able to re-implement the process using another mechanism. Where I get confused, or even frustrated, is when someone asks me to redesign our tool to match their problem. Tools are just tools. Saying you ‘can’t load your data anymore because XYZ’ isn’t valid when you could easily do that same task via SQL*Loader, Create Table As Selects, or 9 other different mechanisms. Sometimes changes brings opportunity for improvement in the process. Don’t be afraid to step back and re-evaluate a problem with a fresh set of eyes. Just trying to replicate your process in another tool exactly as it was done in the ‘old tool’ doesn’t always make sense. Quick sidebar: scheduling a Windows program to kick off thousands if not millions of table inserts from Excel versus using a ‘proper’ server process using SQL*Loader and or external tables means sacrificing scalability and reliability for convenience. Don’t let old habits blind you to new solutions and possibilities. Of couse I’m not going to sit here and say that our tools aren’t deficient in some areas or can’t be improved upon. But I bet if we work together we can find something that’s not only better for the business, but is also better for you. What do you ‘miss’ since you’ve started using SQL Developer as your primary Oracle database tools? I’d love to start a thread here and share ideas on how we can better serve you and your organizations needs. The end solution might not look exactly what you have in mind starting out, but I had no idea I’d be a Product Manager when I started college either What can you no longer ‘do’ since you picked up SQL Developer? What hurts more than it should? What keeps you from being great versus just good?

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  • Mass Delete Using Gridview with Checkboxes

    This sample shows how to use a Gridview to delete multiple records all at once, having marked them with a Checkbox, and clicking one button, external to the Gridview, to delete them all As usual, here, we're using the Northwind Database. If you want to try this on your own Northwind database, adhere to this word of caution - "BACK IT UP FIRST". You will be making multiple deletes, so in order to get it back to the original state, you must make a backup and then restore afterwards. Remember too, that you will need to substitute your own Web.Config connectionstring entry for "YourNorthwindString" in the sample code

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  • Oracle Exadata X3 Launch Webcast

    - by Cinzia Mascanzoni
    Available on-demand, this webcast covers everything your partners need to know about Oracle’s next-generation database machine. They will learn how to improve performance by storing multiple databases in memory, lower power and cooling costs by 30%, and easily deploy a cloud-based database service. Exadata X3 combines massive memory and low-cost disks to deliver the highest performance at the lowest cost. Partners won’t want to miss this webcast. Invite them to watch today! View and share the replay.

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  • Quickly Investigating What's in the Tables of SQL Server Databases

    From SQL Server Management Studio it's hard to look through the first few rows of a whole lot of tables in a database. This is odd, since it is a great way to get quickly familiar with a database. Phil tidied up a SQL routine he uses to investigate databases quickly in a browser. He explains how to use it, how it works, and how to use it from PowerShell. Want faster, smaller backups you can rely on?Use SQL Backup Pro for up to 95% compression, faster file transfer and integrated DBCC CHECKDB. Download a free trial now.

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  • Project Turing: Beginning RIA Services

        Turing Project Page: [Novice: 9 | Advanced: 6 ]    FAQ | Table of Contents | Definitions What is this and where do I start? Reposted with VB.Net code     From Database to DataGrid The next step in Project Turing is to create a first iteration of the Silverlight application that will retrieve data from our database.  Using our technology of [...]...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • Event Handlers and Automatic Postback in ASP.NET 3.5 Web Controls

    In one of last week s tutorials Creating Database-Driven ASP.NET 3.5 Input and List Web Controls you learned how to create a dynamic input web control that instead of setting values statically stored its list and values directly from the MS SQL server 2 8 database. This tutorial is a sequel to that article. It deals mostly with the server side coding aspect of dynamic web controls. It is recommended that you read the earlier tutorial first as the Visual Web Developer Project in that tutorial will be used extensively in this article.... Download a Free Trial of Windows 7 Reduce Management Costs and Improve Productivity with Windows 7

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  • Find out which SQL Server instance is consuming most of the CPU

    We have a number of SQL Server hosts with multiple SQL Server instances. From time to time we have CPU issues, but we are not sure which instance is causing the issue. How do you find which SQL Server instance is causing CPU pressure on machine with multiple SQL Server instances? Check out this tip for ideas on how to find the correct SQL Server instance which is causing CPU pressure. Keep your database and application development in syncSQL Connect is a Visual Studio add-in that brings your databases into your solution. It then makes it easy to keep your database in sync, and commit to your existing source control system. Find out more.

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  • SharePoint 2010 - Drives are running out of free space.

    - by Sahil Malik
    SharePoint 2010 Training: more information You might have seen the following dreadful message - As this post on blogs.msdn.com details out, this is due to a health analyzer rule configured in SharePoint. While that blogpost does a great job explaining why this monitoring is necessary, how you can tweak it, it still becomes a nuisance on SharePoint virtual machines used for development. It also becomes a nuisance on production environments because SharePoint databases are set to auto grow. In other words, as the database is being used, it only grows, and grows, and GROWS! Seriously, how many of you have put in work to compact the database on a regular basis? Those of you who answered no, you’re sitting on  a time bomb. Shame on you!   Read full article ....

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  • Automatic Statistics Update Slows Down SQL Server 2005

    I have a database which has several tables that have very heavy write operations. These table are very large and some are over a hundred gigabytes. I noticed performance of this database is getting slower and after some investigation we suspect that the Auto Update Statistics function is causing a performance degradation. Join SQL Backup’s 35,000+ customers to compress and strengthen your backups "SQL Backup will be a REAL boost to any DBA lucky enough to use it." Jonathan Allen. Download a free trial now.

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  • how to run mysql drop and create synonym in shell script

    - by bgrif
    I have added this command to a script I am writing and I am running into a issue with it not logging onto mysql and running the commands. How can i fix this and make it run. #! /bin/bash Subject: Please stage the following TFL09143 Locator Bulletin to all TF90 staging environments: # This next section is to go to mysql server and make changes. you can drop and create synonyms truncate a table and insert into a different one. you will be able to verify the counts to the different locations # $ mysql --host=app03-bsi --u "" --p "" "TF90BPS" -bse "drop synonym TF90.BTXADDR && drop synonym TF90.BTXSUPB && CREATE SYNONYM TF90.BTXADDR FOR TF90BP.TFBPS2.BTXADDR && CREATE SYNONYM TF90.BTXSUPB FOR TF90BP.TFBPS3.BTXSUPB && TRUNCATE TABLE TF90BP.TFBPS3.BTXSUPB SELECT * FROM TF90BP.TFBPS2.BTXSUPB; select count () from TF90BP.TF90.BTXADDR select count() from TF90BPS.TF90.BTXADDR; select count() from TF90BP.TF90.BTXSUPB; select count() from TF90BPS.TF90.BTXSUPB;" $ mysql --host=app03-bsi --u "" --p "" "TF90LMS" -bse "drop synonym TF90.BTXADDR && drop synonym TF90.BTXSUPB && CREATE SYNONYM TF90.BTXADDR FOR TF90LM.TFBPS2.BTXADDR && CREATE SYNONYM TF90.BTXSUPB FOR TF90LM.TFBPS3.BTXSUPB; TRUNCATE TABLE TF90LM.TFLMS2.BTXADDR;TRUNCATE TABLE TF90LM.TFLMS3.BTXSUPB;INSERT INTO TF90LM.TFLMS3.BTXSUPB SELECT * FROM TF90LM.TFLMS2.BTXSUPB;Verify select count() from TF90LM.TF90.BTXADDR;select count() from TF90LMS.TF90.BTXADDR;select count() from TF90LM.TF90.BTXSUPB;select count() from TF90LMS.TF90.BTXSUPB" $ mysql --host=app03-bsi --u "" --p "" "TF90NCS" -bse "drop synonym TF90.BTXADDR && drop synonym TF90.BTXSUPB && CREATE SYNONYM TF90.BTXADDR FOR TF90NC.TFBPS2.BTXADDR && CREATE SYNONYM TF90.BTXSUPB FOR TF90NC.TFBPS3.BTXSUPB; TRUNCATE TABLE TF90NC.TFNCS2.BTXADDR; TRUNCATE TABLE TF90NC.TFNCS3.BTXSUPB; INSERT INTO TF90NC.TFNCS3.BTXSUPB SELECT * FROM TF90NC.TFNCS2.BTXSUPB; Verify select count() from TF90NC.TF90.BTXADDR; select count() from TF90NCS.TF90.BTXADDR;select count() from TF90NC.TF90.BTXSUPB;select count() from TF90NCS.TF90.BTXSUPB" $ mysql --host=app03-bsi --u "" --p "" "TF90PVS" -bse "drop synonym TF90.BTXADDR && drop synonym TF90.BTXSUPB && CREATE SYNONYM TF90.BTXADDR FOR TF90PV.TFBPS2.BTXADDR && CREATE SYNONYM TF90.BTXSUPB FOR TF90PV.TFBPS3.BTXSUPB; TRUNCATE TABLE TF90PV.TFPVS2.BTXADDR;TRUNCATE TABLE TF90PV.TFPVS3.BTXSUPB;INSERT INTO TF90PV.TFPVS3.BTXSUPB SELECT * FROM TF90PV.TFPVS2.BTXSUPB;Verify select count() from TF90PV.TF90.BTXADDR;select count() from TF90PVS.TF90.BTXADDR;select count() from TF90PV.TF90.BTXSUPB;select count() from TF90PVS.TF90.BTXSUPB" TFL09143 Staging cd \ntsrv\common\To\IT-CERT-TEST\TFL09143 #change to mapped network drive cp -p TFL09143.pkg /d:/tf90/code_stg && /tf90bp/code_stg && /tf90lm/code_stg && /tf90pv/code_stg # Copies the package from the networked folder and then copies to the location(s) needed.# InvalidInput="true" if [ $# -eq 0 ] ; then echo "This script sets up TF90 Staging" echo -n "Which production do you want to run? (RB/TaxLocator/Cyclic)" read ProductionDistro else ProductionDistro="$1" fi while [ "$InvalidInput" = "true" ] do if [ "$ProductionDistro" = "RB" -o "$ProductionDistro" = "TaxLocator" -o "$ProductionDistro" = "Cyclic" ] ; then InvalidInput="false" break else echo "You have entered an error" echo "You must type RB or TaxLocator or Cyclic" echo "you typed $ProductionDistro" echo "This script sets up TF90 Staging" read ProductionDistro fi done InvalidInput="true" if [ $# -eq 0 ] ; then echo "This script sets up RB TF90 Staging" echo -n "Which Element do you want to run? (TF90/TF90BP/TF90LM/TF90PV/ALL)" read ElementDistro else ElementDistro="$1" fi while [ "$InvalidInput" = "true" ] do if [ "$ElementDistro" = "TF90" -o "$ElementDistro" = "TF90BP" -o "$ElementDistro" = "TF90LM" -o "$ElementDistro" = "TF90PV" -o "$ElementDistro" = "ALL" ] ; then InvalidInput="false" break else echo "You have entered an error" echo "You must type TF90 or TF90BP or TF90LM or TF90PV" echo "you typed $ElementDistro" echo "This script sets up TF90 Staging" read ElementDistro fi done if [ "$ElementDistro" = "TF90" ] ; then cd /d/tf90/code_stg vim TFL09143.pkg export var=TF90_CONNECT_STRING=DSN=TF90NCS;export Description=TF90NCS;export Trusted_Connection=Yes;export WSID=APP03- BSI;export DATABASE=TF90NCS; export DATASET=DEFAULT pkgintall -l -v ../TFL09143.pkg fi if [ "$ElementDistro" = "$TF90BP" ] ; then cd /d/tf90bp/code_stg vim TFL09143.pkg export TF90_CONNECT_STRING=DSN=TF90BPS;export Description=TF90BPS;export Trusted_Connection=Yes;export WSID=APP03- BSI;export DATABASE=TF90BPS; start tfloader -l –v ../TFL09143.pkg fi if [ "$ElementDistro" = "$TF90LM" ] ; then cd /d/tf90lm/code_stg vim TFL09143.pkg export TF90_CONNECT_STRING=DSN=TF90LMS;export Description=TF90LMS;export Trusted_Connection=Yes;export WSID=APP03- BSI;export DATABASE=TF90LMS; start tfloader -l -v ../TFL09143.pkg fi if [ "$ElementDistro" = "TF90PV" ] ; then cd /d/tf90pv/code_stg vim TFL09143.pkg export TF90_CONNECT_STRING=DSN=TF90PVS;Description=TF90PVS;Trusted_Connection=Yes;WSID=APP03- BSI;DATABASE=TF90PVS; start tfloader -l –v ../TFL09143.pkg fi exit 0

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  • Suggest windows webhost provider for following requirements.

    - by op_amp
    Hi, We have a asp.net MVC3 based web app which uses SQL SERVER 2008 for database. Also, we have a client side desktop application which also uses SQL SERVER 2008. While developing the system, we are able to Sync tables using SQL SERVER Replication feature. Now, we want to host our site on a webserver but we are clueless about it. If anyone of you have a similar system working then please suggest a cheap but reliable webhost which supports Replication. Initially there will be approximately 10 or less clients who will perform replication 2 or 3 times a day. The size of the database will be less than 4GB for sure.

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  • On Comparing Tables in SQL Server

    How do you compare two SQL tables? Every SQL Developer or DBA knows the answer, which is 'it depends'. It is not just the size of the table or the type of data in it but what you want to achieve. Phil Factor sets about to cover the basics and point out some snags and advantages to the various techniques. FREE eBook – "45 Database Performance Tips for Developers"Improve your database performance with 45 tips from SQL Server MVPs and industry experts. Get the eBook here.

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  • Access Denied

    Surely, now that PowerPivot has led the way, it is time for Microsoft to offer a new RAD package for database application development; namely an Excel-based front end for SQL Server Express. In that way, we'll have a powerful and familiar front end, to a scalable database, and a clear upgrade path when an app takes off and needs to go enterprise....Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • Distributed cache and improvement

    - by philipl
    Have this question from interview: Web Service function given x static HashMap map (singleton created) if (!map.containsKey(x)) { perform some function to retrieve result y map.put(x, y); } return y; The interviewer asked general question such as what is wrong with this distributed cache implementation. Then asked how to improve on it, due to distributed servers will have different cached key pairs in the map. There are simple mistakes to be pointed out about synchronization and key object, but what really startled me was that this guy thinks that moving to database implementation solves the problem that different servers will have different map content, i.e., the situation when value x is not on server A but on server B, therefore redundant data has to be retrieved in server A. Does his thinking make any sense? (As I understand this is the basic cons for distributed cache against database model, seems he does not understand it at all) What is the typical solution for the cache growth issue (weak reference?) and sync issue (do not know which server has the key already cached - use load balancing)? Thanks

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  • Mview??????????????~BI/DWH????????(3)

    - by Yusuke.Yamamoto
    Oracle Database ???BI???????????????????????????????????????????????????????????????????????????????????? ?????????????·???(Mview)???????????!????????????? ??????????(08:12)????????????? BI???????????? Enterprise Manager ??SQL??????????????????????? Enterprise Manager ??SQL????·??????????? ????????????????????·???????????? ?????·??????????? BI????????????(Oracle Database ??????·?????????????Mview???) Enterprise Manager ?????????????????? ??????????????Oracle GRID Center ??????????????? ????????????????????????? ????????DWH????????????????·???????? ???? ????????·???(Mview/????????)|??????????? Oracle Enterprise Manager|??????????? DWH(?????????)??·??

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