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Blogs
Toad and Database Commentaries

Toad World blogs are a mix of insightful how-tos from Quest experts as well as their commentary on experiences with new database technologies.  Have some views of your own to share?  Post your comments!  Note:  Comments are restricted to registered Toad World users.

Do you have a topic that you'd like discussed?  We'd love to hear from you.  Send us your idea for a blog topic.

Most recent blog entries
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Toad for Oracle & XML
JeffSmith 10/29/2009

Oracle introduced support for XML in the relational database going back at least to about the 8i release. Toad for Oracle introduced formal support for XML in the 8.0 release.

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Generate Schema Documentation in Toad for DB2
BBoise 10/26/2009
 In one of my previous lives, I worked at a startup company testing software. Our application used Oracle as the back-end and the nature of my role had me working closely with our Oracle DBA. As part of our processes, our DBA had to build documentation describing the schemas our application needed. The reports included things like table names, column names and their data type ...
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More Toad Tips and Tricks
JeffSmith 10/26/2009
So with Toad v10 being released, my Tips & Tricks guide became a bit out of date.  You can find an updated copy, as well as our v9 copy, here.  All of your favorite keyboard shortcuts and workflows rem ...
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An Amazing Visit to Mexico City
StevenFeuersteinTW Friday, October 23, 2009 5:38 AM
As I write this, I am flying back to Chicago now, 9 PM Oct 21, from Mexico City, after a very nice two day visit.
 
Quest Mexico asked me to come down to help celebrate the release of Toad Version 10
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Good Database Design – It's Never an Accident
Bert Thursday, October 22, 2009 3:48 AM
When designing and constructing a successful (i.e. effective and efficient) relational database, there are two fundamental sets of rules or design principles that are universally accepted and generally practiced by database architects.
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Resolving an LTRIM mystery
StevenFeuersteinTW Thursday, October 15, 2009 6:42 AM
Steven discusses how LTRIM works and an alternative solution for a user's problem.
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Toad for Oracle Database Connection Styles
Bert Wednesday, October 14, 2009 3:34 AM
TOAD offers three distinct ways to connect to your database, as shown by the three tabs circled below on the connection screen. In this week’s blog we’ll examine the differences between the first two: TNS and Direct. No matter which of the three methods you choose, TOAD requires the Oracle “SQL*Net” client to be on your PC. TOAD needs to talk over the network to your database, and that requires certain ...
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Compare Nested Tables of Non-Scalar Datatypes
StevenFeuersteinTW Monday, October 12, 2009 7:28 AM
A little known, but very handy feature of PL/SQL is the ability to apply set operators, like union, intersect and minus, to nested tables.
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Quest Code Tester 1.9 beta now available
QCTOblog Monday, October 12, 2009
In case you missed my announcement on the Code Tester community forum, we have now posted a beta version of 1.9.
 
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Two quick tips for getting more out of Code Tester
QCTOblog Friday, October 09, 2009
Written by Steven Feuerstein
 
Code Tester is a relatively young tool (first released for production use in February 2007), but it has matured quickly (hey, at least I think so!) and is packed full of handy features.
 
As with all other tools, however, it c ...
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Flow control for your script
Mauritz Wednesday, October 07, 2009 12:16 PM
Undocumented functionality in TDA, Toad for SqlServer, Toad for DB2 and Toad for MySQL to use advanced flow control when executing scripts.
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What’s New in Toad® for Oracle 10 – Part 2
JohnPocknell Tuesday, October 06, 2009
The very latest generation of Toad for Oracle is about to hit the streets (early October) so we thought we’d give you a quick preview now so you’ll be up to speed when it’s released. This blog is part 2 and covers more of the new features and updates.
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JProbe's new JDBC component nodes
StuartHodgins 10/5/2009 11:13 AM
JProbe's new JDBC component nodes help link Java and SQL performance analysis together, to identify the root causes of performance issues in your applications, and to help you resolve those issues.
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Toad's DB Health Check - Is There a Doctor in the House?
MichaelLumbard 10/5/2009 7:42 AM

As DBAs it seems that we are always faced with issues of Database Performance. As gate keepers to our multiple database environments many of our Service Level Agreements (SLA's) can be directly tied into the health of our databases. Working with Quest's Toad solution we can now take a comprehensive look at the health of our databases with the DB Health Check.  ...

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Highlights of SQL Optimizer 7.5
RichardTo Friday, October 02, 2009 3:59 AM

Version 7.5 of Quest SQL Optimizer for Oracle will be released in October. The major effort for this new release was in the optimizer engine and the new UI for the optimization, index generation and execution functions. The following is a screen shot of the new UI. It looks tidy and easier to use compared to the old version. All the statistics names now use the Oracle standard na ...

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A Recent Customer Walk-through of Toad for Data Analysts
BBoise 9/30/2009

Sometimes, I’m asked to help a customer work through a particular challenge they’re facing when using one of Quest’s solutions. Many times, the meetings are one-on-one sessions with the customer where we take turns sharing our desktops to better understand the problems being faced and how the solution might be able to address the problems. I actually enjoy the one-on-one sessions, b ...

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New in JProbe 8.2.0
StuartHodgins 9/30/2009 8:17 AM

With General Availability of JProbe 8.2, here is a preview of some of the changes and improvements that you will find in this new release:

The JProbe 8.1 release focused on improvements to JProbe Memory analysis. The JProbe 8.2 release focuses on improvements to JProbe Performance analysis.

Users asked us for the ability to track the runtime execution status of threads. JPr ...

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Optimize Oracle Virtual Machines on a Notebook PC – Part 3
Bert Wednesday, September 30, 2009 3:53 AM
Last week’s blog was part 2 of a 3 part series about techniques for optimizing a notebook PC for running Oracle database within a virtual machine. In
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What’s New in Toad® for Oracle 10 – Part 1
JohnPocknell Wednesday, September 30, 2009
The very latest generation of Toad for Oracle is about to hit the streets (early October) so we thought we’d give you a quick preview now so you’ll be up to speed when it’s released.
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Optimize Oracle Virtual Machines on a Notebook PC – Part 2
Bert Wednesday, September 23, 2009 6:52 AM
Last week’s blog was part 1 of a 3 part series about techniques for optimizing a notebook PC for running Oracle database within a virtual machine. In
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Things Everyone Should Know about Toad for Data Analysts
dnorwood 9/21/2009 12:37 PM

Written by Jeff Smith, Quest Solutions Architect

Toad is a brand at Quest. We have several tools that have been built explicitly for developers and administrators in ...

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Optimize Oracle Virtual Machines on a Notebook PC
Bert Wednesday, September 16, 2009 11:01 AM
People have often asked me “How do I optimize my Oracle virtual machines running on my meager notebook PC?” So I decided to put together this quick checklist to assist with just that question.
 
Let's assume that you have the typical recent or last generation of notebook PC, that is one with a dual core CPU and say a max 4 GB of RAM. Her ...
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PL/SQL on DB2 9.7 ?!
StevenFeuersteinTW Wednesday, September 16, 2009 6:36 AM
Check out this video. IBM claims to now provide native support for PL/SQL programs, including support for many built-in packages, collections, etc. Wow! Lots more details here, but you will find below some& ...
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Automated Testing at OPP2009
QCTOblog Tuesday, September 15, 2009
Written by Finn Ellebaek Nielsen. Learn about automated testing and much more at the OPP2009 conference November 10-11 in Atlanta, Georgia, USA.
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Test Amount
QCTOblog Monday, September 14, 2009
Written by Finn Ellebaek Nielsen. Best practices for determining test amount required through analysis of product risk.
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Sync points and Restarts in Toad for DB2
BBoise 9/9/2009

Managing and working with large scripts can be challenging. Failures during the execution of such scripts can make a person downright cranky. Personally, I’ve never liked scrolling through hundreds of lines of code to isolate the problem in a script, hopefully correct the issue, and then attempt to restart the execution at the proper line. For those of you using Toad for DB ...

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Toad for SQL Server, DB2, MySQL and Toad for Data Analysts Configuration and Options
DevinG 9/9/2009 5:54 AM
Like most applications, Preferences or Options enable the user to make changes to the default configuration to suit the way they work. The same is true for Toad but there are so many, for some it can be a bit of a challenge finding what they are looking for.
 
The objective of this blog is to help you get a handle on what the main options are that you pro ...
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TOAD Master Detail Browser
Bert Wednesday, September 09, 2009 4:50 AM
While TOAD offers numerous capabilities, many people often spend a majority of their time simply “browsing” existing table data. Even when writing SQL or PL/SQL code to perform some business function or action, developers need to see what the data looks like in order to write the code. And of course business analysts and managers often look at the data in order to spot patterns or drive rep ...
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Online Training for the New Economy
StevenFeuersteinTW Tuesday, September 08, 2009 11:23 AM
When the going gets tough and budgets get tight, money for training is often cut first. You still, however, need to learn how to best leverage the PL/SQL language and write high quality code. To help you, Quest is offering a three-part, webcast training series that I will be teaching. Each session consists of two hours of in-depth coverage of a specific functionality area or best practice.
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Oracle Database 11g Release 2 Has Arrived!
StevenFeuersteinTW Friday, September 04, 2009 3:25 PM
What a big relief....I was in the beta program, checking out the new features of PL/SQL in this latest release of the Oracle database. That's quite a privilege, but also a burden; Oracle is very severe about not wanting us to talk about upcoming features before they officially release the product to their adoring public.
 
That's toug ...
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Flashback to the Rescue
Bert Wednesday, September 02, 2009 3:11 AM

Face it, we’ve all been there – that moment when we’ve done something a wee bit too fast and then realize we probably shouldn’t have done it. Then we often generally say something like “stupid database” or “stupid TOAD’ or “stupid whatever. But there are ways to recover without having to go hat in hand to the DBA and beg forgiveness and obtain a recovery. More recent versions of Oracle offer several wonderful “Fl ...

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Code Assist Feature – Customizing it to fit your needs
Kuljit 8/31/2009 12:02 PM
Under the Editor menu in Toad for Oracle we have the “Make Code” & “Strip Code” features which allow you to embed SQL Statements in a programming language of your choice.
 
For example you can take the following statement:
SELECT & ...
					
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Reverse Engineer a SQL Query
dnorwood 8/24/2009 8:30 PM
Have you considered switching to Toad for Data Analysts but have too much invested in your old query builder? Have you ever looked at a query with a complex join clause and wished that you could see it mapped out visually? You're in luck - Toad for Data Analysts can help! Toad for Data Analysts can take your SQL statement and reverse engineer it into a visual Query Builder. In this blog post, I’ll show you how to do it quickly and easily!
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Making Change Happen
StevenFeuersteinTW Saturday, August 22, 2009 5:18 PM
[ It is very likely that if you are reading this you are a developer, but this is really geared towards software managers. So feel free to copy and paste into a Word doc and pass it along to your manager or team lead! ]
 
I very often give trainings and presentations on the topic of PL/SQL best practices. I offer lots of ideas for writing code that is eas ...
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Executing SQL In Tuning Lab – Part 10 – Performance Improvement Expectations
RichardTo Friday, August 21, 2009 6:10 AM

Written by Rene Woody

This blog is a continuation of a series about test running the SQL statements in the Tuning Lab in Quest SQL Optimizer for Oracle to find the best performing SQL statement in your database envi ...

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Databases will be Virtualized
Bert Thursday, August 20, 2009 6:52 AM
I have written a book about Optimizing Oracle on VMware, plus have both a paper and
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A SQL that returns records faster is not necessarily better-10 Common Misconceptions in SQL Tuning #4
RichardTo Friday, August 14, 2009 5:52 AM

This blog is the fourth in a series about misconceptions surrounding SQL tuning that are quite common. It covers the misconception that the goal of SQL tuning is only to make a SQL return all the records faster.

I still remember around 20 years ago, I was using SQL*Plus to tune my SQL statements. At that time, it was my impression that a good SQL rewrite was one that normally would return the ...

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TOAD and Database Versioning
Bert Wednesday, August 12, 2009 5:01 AM
One critical task for DBA's is maintaining their database versioning history. For example the database objects were in some specified state (in terms of their construction) on such and such a date. The key reason this is critical is that application updates and bug fixes often require database modifications. So the DBA must maintain a database versioning history that matches such changes. There are two chief re ...
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Auto Completion and Workspaces in Toad Data Modeler
BBoise 8/9/2009

By default, adding an entity to a Workspace will cause this entity to be added to every workspace within your model. Well, the entity isn’t really being duplicated; it’s just that a shortcut to that entity is being added to every workspace in the model. Recently, we’ve received some questions from customers asking how they can change this behavior. Fortunately, it’s really easy to do. Before I tell y ...

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Executing SQL In Tuning Lab – Part 9 – Why Run Times Vary
RichardTo Friday, August 07, 2009 6:16 AM

This blog is a continuation of a series about test running the SQL statements in the Tuning Lab in Quest SQL Optimizer for Oracle to find the best performing SQL statement in your database environment. It covers why the run time of a SQL statement may vary from one execution to th ...

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Toad for Oracle SQL Editor
DevinG 8/6/2009 4:35 AM

This blog explains specific areas of the editor in Toad® for Oracle 9.x that provide “built-in” SQL code, re-usable code, areas to customize your own code, and immediate access to SQL transactions you have saved or previously executed. Nearly all of these code areas can be accessed from within the Editor, while other windows allow drag and drop f ...

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Toad for Oracle - Log Switch Frequency Map
Bert Wednesday, August 05, 2009 5:06 AM
This is the 3rd of 3 blogs on Toad for Oracle DBA features
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Rolling Back Object Changes in Toad for DB2
JimWankowski Monday, August 03, 2009 11:49 AM

Have you ever had a situation where you made a change to a DB2 table structure such as renaming a column, or adding a new column only to discover that your production applications are now crashing because they haven’t been updated to support the new structures?  What do you do then?  You have to scramble to generate an ALTER script to put the objects back to their original form ...

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Watch Out for Data Caching!
StevenFeuersteinTW Monday, August 03, 2009 11:31 AM

I just fixed a bug in Quest Code Tester for Oracle, and I thought I would share my experience with you.

The bug was reported by our most excellent QA tester, Danny Pham. He is not only good at going through the defined test cases to verify correct behavior. He also takes devilish delight in trying all sorts of "crazy" stuff to see what happens.

So Danny encountere ...

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Two approaches to SQL Tuning using the Quest SQL Optimizer for Oracle
BBoise 7/30/2009

I sometimes worry that people are confused about how to use the Quest SQL Optimizer for Oracle to help them tune their SQL statements. The solution is extremely powerful and provides you with the options to control numerous aspects of the optimization process. In fact, I suggest you read Richard To’s articles on Toad World to get an in depth understanding of the optimization process ...

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Making Database Changes Logically
Kuljit 7/30/2009 8:03 AM

Our experts at Quest continue to work hard to develop educational material for our end users to learn from, thus allowing them to become product experts themselves. Unfortunately, due to the hectic schedule of our end users, they are sometimes unable to put all the pieces together. In this blog, I piece together some steps for using the Toad Data Modeler and tying it back to Toad for Oracle ...

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Toad for Oracle - SGA / Trace Optimization
Bert Thursday, July 30, 2009 6:03 AM
This is the 2nd of 3 blogs on Toad for Oracle DBA features
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Configure your Toad!
dnorwood 7/29/2009 12:21 PM
We all come from different backgrounds... some of us are old Toadies, and some of us are used to different tools. Did you know that Toad for Data Analysts can be configured to act and look much like Toad for Oracle and many other tools? Even down to the keyboard shortcuts? I'll show you how.
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Test Approach
QCTOblog Tuesday, July 28, 2009
Written by Finn Ellebaek Nielsen. Best practices for a test approach that implements the strategy and test policies for Oracle code laid out in a previous blog post.
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Executing SQL In Tuning Lab – Part 8 – Criteria for Best SQL
RichardTo Friday, July 24, 2009 6:57 AM
When selecting the best performing SQL statement for your application, how should disk I/O be weighed in comparison to the run time when you are selecting the best SQL alternative to replace your original SQL statement?
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