Best practice for efficiency

I shoot video on my camcorder and DSLR in 1920x1080 to have the best data possible for future use ... though all of my current work is posted to Vimeo Pro at 720p for web viewing.
So far, I have set my FCP X projects to be 1080p ... would it be more efficient to set my projects to 720p? Would doing so be a more efficient workflow and save on resources during the process of editing and exporting?
Any insight would be appreciated.

Actually, your question was clear. Maybe my answwer wasn't, however.
My view of efficiency is how it affects my workflow – not whether it stresses my system. (Although sometimes they go hand-in-hand.) I was taught to edit what I shoot whenever possible. Therefore, if I shoot 1080, I edit 1080.
After the project is complete, then different delivery versions are created. Often there are many versions, which I generally create in Compressor (one source file comprising say, a half dozen different targets).
If sounds like you only have a single "target" and that is scaling down from 1080 to 720. FCPX doesn't need Compressor to do this relatively straightforward reformatting. So I thoink it is very efficient to edit 1080 and export 720.
Were you to edit 720 with 1080 material, you would have to create a custom project and then you can expect to render everything. No big deal, but a minor annoyance. I don't see the upside.
HTH
Russ

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Tips n Tricks/Best Practices for integrating iPhone, iPad and MacBook Pro

My wife just purchased an iPhone, iPad and Macbook Pro for her non profit consulting business and I was wondering if a tips and tricks or best practices for efficiently and productively integrating these devices exists?

http://www.apple.com/icloud/

BEST PRACTICE FOR AN EFFICIENT SEARCH FACILITY

Good Morning,
Whilst in Training, our Trainer said that the most efficiency from the Sharpoint Search would be to install the Search Facility on a separate server (hardware).
Not sure how to have this process done.
Your advice and recommendation would be greatly appreciated.
thanks a mil.
NRH

Hi,
You can
create a dedicated search server that hosts all search components, query and index role, and crawl all on one physical server.
Here are some article for your reference:
Best practices for search in SharePoint Server 2010:
http://technet.microsoft.com/en-us//library/cc850696(v=office.14).aspx
Estimate performance and capacity requirements for SharePoint Server 2010 Search:
http://technet.microsoft.com/en-us/library/gg750251(v=office.14).aspx
Below is a similar post for your reference:
http://social.technet.microsoft.com/Forums/en-US/be5fcccd-d4a3-449e-a945-542d6d917517/setting-up-dedicated-search-and-crawl-servers?forum=sharepointgeneralprevious
Best regards
Wendy Li
TechNet Community Support

Best Practice for SSL in Apache/WL6.0SP1 configuration?

What is the best practice for eanbling SSL in an Apache/WL6.0SP1
configuration?
Is it:
Browser to Apache: HTTPS
Apache to WL: HTTP
or
Browser to Apache: HTTPS
Apache to WL: HTTPS
The first approach seems more efficient (assuming that Apache and WL are
both in a secure datacenter), but in that case, how does WL know that the
browser requested HTTPS to begin with?
Thanks
Alain

A getScheme should return HTTPS if the client is using HTTPS or HTTP if it
is using HTTP.
The option for the plug-in to use HTTP or HTTPS when connecting to Weblogic
is up to you but regardless the scheme of the client will be passed to
WebLogic.
Eric
"Alain" <[email protected]> wrote in message
news:[email protected]..
How should we have the plug-in tell wls the client is using https?
Should we have the plugin talk to wls in HTTP or HTTPS?
Thanks
Alain
"Jong Lee" <[email protected]> wrote in message
news:3b673bab$[email protected]..
The apache plugin tells wls the client is using https and also pass on
the
client
cert if any.
"Alain" <[email protected]> wrote:
What is the best practice for eanbling SSL in an Apache/WL6.0SP1
configuration?
Is it:
Browser to Apache: HTTPS
Apache to WL: HTTP
or
Browser to Apache: HTTPS
Apache to WL: HTTPS
The first approach seems more efficient (assuming that Apache and WL
are
both in a secure datacenter), but in that case, how does WL know that
the
browser requested HTTPS to begin with?
Thanks
Alain

Best practice for invoice posting inSRM

Dear expert,
what is the best practice for posting an invoice? Is it in SRM system or MM system? In SRM, the system allows one to use approval procedure for invoice posting; wheras in MM, one cannot use the apporval procedure to post an invoice. similar is the case, in SRM-SUS and MM-SUS scenario?
I would appreciate if you can feedback on the industry practice.
thanks and regards,
Ranjan

Ranjan,
As a SAP customer we use invoice entry in ERP using MIRO and FB60 as these are the most efficient for our busines.
1. Invoice entry using MIRO tcode is faster as it can be done with minimal use of the mouse. Invoice entry is slower in SRM as browser response and interactions with the backed ERP system slows the systems reponse to the user input. Repeated use of a mouse in the SRM browser is detrimental to fast input.
2. Not all types of invoices can be handled in SRM e.g. Invoice without PO.
3. We process approx 20,000 invoices per month with multiple input operators, SRM could not handle that sort of load.
4. SRM is really a procurement application and although invoice entry is included it is probably more for users who wish to use SRM in a stand alone scenario. We use extended classic so all our financial transactions take place in the ERP backend.
Your choice also depends upon the number and quality of the invoices you plan to process, and the need for the operators to be trained on one or two systems.
Hope these personal observations assist with your decision
Regards
Allen

Best Practice for using multiple models

Hi Buddies,
     Can u tell me the best practices for using multiple models in single WD application?
    Means --> I am using 3 RFCs on single application for my function. Each time i am importing that RFC model under
    WD --->Models and i did model binding seperately to Component Controller. Is this is the right way to impliment multiple            models in single application ?

It very much depends on your design, but One RFC per model is definitely a no no.
Refer to this document to understand how should you use the model in most efficient way.
http://www.sdn.sap.com/irj/scn/go/portal/prtroot/docs/library/uuid/705f2b2e-e77d-2b10-de8a-95f37f4c7022?quicklink=events&overridelayout=true
Thanks
Prashant

Best practice for use of spatial operators

Hi All,
I'm trying to build a .NET toolkit to interact with Oracles spatial operators. The most common use of this toolkit will be to find results which are within a given geometry - for example select parish boundaries within a county.
Our boundary data is high detail, commonly containing upwards of 50'000 vertices for a county sized polygon.
I've currently been experimenting with queries such as:
select
from
uk_ward a,
uk_county b
where
UPPER(b.name) = 'DORSET COUNTY' and
sdo_relate(a.geoloc, b.geoloc, 'mask=coveredby+inside') = 'TRUE';
However the speed is unacceptable, especially as most of the implementations of the toolkit will be web based. The query above takes around a minute to return.
Any comments or thoughts on the best practice for use of Oracle spatial in this way will be warmly welcomed. I'm looking for a solution which is as quick and efficient as possible.

Thanks again for the reply... the query currently takes just under 90 seconds to return. Here are the results from the execution plan ran in sql*:
Elapsed: 00:01:24.81
Execution Plan
Plan hash value: 598052089
| Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time |
| 0 | SELECT STATEMENT | | 156 | 46956 | 76 (0)| 00:00:01 |
| 1 | NESTED LOOPS | | 156 | 46956 | 76 (0)| 00:00:01 |
|* 2 | TABLE ACCESS FULL | UK_COUNTY | 2 | 262 | 5 (0)| 00:00:01 |
| 3 | TABLE ACCESS BY INDEX ROWID| UK_WARD | 75 | 12750 | 76 (0)| 00:00:01 |
|* 4 | DOMAIN INDEX | UK_WARD_SX | | | | |
Predicate Information (identified by operation id):
2 - filter(UPPER("B"."NAME")='DORSET COUNTY')
4 - access("MDSYS"."SDO_INT2_RELATE"("A"."GEOLOC","B"."GEOLOC",'mask=coveredby+i
nside')='TRUE')
Statistics
20431 recursive calls
60 db block gets
22432 consistent gets
1156 physical reads
0 redo size
2998369 bytes sent via SQL*Net to client
1158 bytes received via SQL*Net from client
17 SQL*Net roundtrips to/from client
452 sorts (memory)
0 sorts (disk)
125 rows processed
The wards table has 7545 rows, the county table has 207.
We are currently on release 10.2.0.3.
All i want to do with this is generate results which fall in a particular geometry. Most of my testing has been successful i just seem to run into issues when querying against a county sized polygon - i guess due to the amount of vertices.
Also looking through the forums now for tuning topics...

"Best practice" for components calling components on different panels.

I'm very new to Swing. I have been learning from tutorials, but these are always relatively simple interfaces , in which every component and container is initialised and added in the constructor of a main JFrame (extension) object.
I would assume that more complex, real-world examples would have JPanels initialise themselves. For example, I am working on a project in which the JFrame holds multiple JPanels. One of these Panels holds a group of JToggleButtons (grouped in a ButtonGroup). The action event for each button involves calling the repaint method of one of the other Panels.
Obviously, if you initialise everything in the JFrame, you can simply have the ActionListener refer to the other JPanel directly, by making the ActionListener a nested class within the JFrame class. However, I would like the JPanels to initialise their own components, including setting the button actions, by using an extension of class JPanel which includes the ActionListeners as nested classes. Therefore the ActionListener has no direct access to JPanel it needs to repaint.
What, then, is considered "best practice" for allowing these components to interact (not simply in this situation, but more generally)? Should I pass a reference to the JPanel that needs to be repainted to the JPanel that contains the ActionListeners? Should I notify the main JFrame that the Action event has fired, and then have that call "repaint"? Or is there a more common or more correct way of doing this?
Similarly, one of the JPanels needs to use a field belonging to the JFrame that holds it. Should I pass a reference to this object to the JPanel, or should I have the JPanel use "getParent()", or some other method?
I realise there are no concrete answers to this query, but I am wondering whether there are accepted practices for achieving this. My instinct is to simply pass a JPanel reference to the JPanel that needs to call repaint, but I am unsure how extensible this would be, how tightly coupled these classes would become.
Any advice anybody could give me would be much appreciated. Sorry the question is so long-winded. :)

Hello,
nice to get feedback.
I've been looking at a few resources on this issue from my last post. In my application I have been using the Observer and Observable classes to implement the MVC pattern suggested by T.PD.(...)
Two issues (not fatal, but annoying) with this are:
-Observable is a class, not an interface; since most of my Observers already extend JPanel (or some such), I have had to create inner classes.
-If an Observer is observing multiple Observables, it will have to determine which Observer called its update() method (by using reference equality or class comparison or whatever). Again, a very minor issue, but something to keep in mind.I don't deem those issues are minor. The second one in particular, is rather annoying in terms of maintenance ("Err, remind me, which widget is calling this "update()" method?").
In addition to that, the Observable/Observer are legacy non-generified classes, that incurr a loosely-typed approach (the subject and context arguments to the update(Observable subject, Object context) methods give hardly any info in themselves, and they generally have to be cast to provide app-specific information.
Note that the "notification model" from AWT and Swing widgets is not Observer-Observable, but merely EventListener . Although we can only guess what reasons made them develop a specific notification model, I deem this essentially stems from those reasons.
The contrasting appraoches are discussed in this article from Bill Venners: The Event Generator Idiom (http://www.artima.com/designtechniques/eventgenP.html).
N.B.: this article is from a previous-millenary series of "Design Techniques" articles that I found very useful when I learned OO design (GUI or not).
One last nail against the Observer/Observable model: these are general classes that can be used regardless of the context (GUI/non-GUI code), so this makes it easier to forget about Swing threading rules when using them (essentially: is the update method called in the EDT or not).
If anybody has any information on the performance or efficiency of using Observable/ObserverI would be very surprised if this had any performance impact. If it had, that would mean that you have either:
- a lot of widgets that are listening to one another (and then the Mediator pattern is almost a must to structure such entangled dependencies). And even then I don't think there could be any impact below a few thousands widgets.
- expensive or long-running computation in the update methods. That's unrelated to the notification model itself.
- a lot of non-GUI components that use the Observer/Observable to communicate among themselves - all the more risk then, to have a GUI update() called outside the EDT, see remark above.
(or whether there are inbuilt equivalents for Swing components)See discussion above.
As far as your remark 2 goes (if one observer observes more than one subjects, the update() method contains branching logic) : this also occurs with the Event Delegation model indeed: for example, it is quite common that people complain that their actionPerformed() method becomes unwieldy when the same class listens for several JButtons.
The usual advice for this is, use anonymous listeners, each of which handles the event from only one source (and generally very close in code to the definition of that source), and that simply translates the "generic" event notification method into a specific method call of a Controller or Mediator .
Best regards.
J.
Edited by: jduprez on May 9, 2011 10:10 AM

Kernel: PANIC! -- best practice for backup and recovery when modifying system?

I installed NVidia drivers on my OL6.6 system at home and something went bad with one of the libraries. On reboot, the kernel would panic and I couldn't get back into the system to fix anything. I ended up re-installing the OS to recovery my system.
What would be some best practices for backing up the system when making a change and then recovering if this happens again?
Would LVM snapshots be a good option? Can I recovery a snapshot from a rescue boot?
EX: File system snapshots with LVM | Ars Technica -- scroll down to the section discussing LVM.
Any pointers to documentation would be welcome as well. I'm just not sure what to do to revert the kernel or the system when installing something goes bad like this.
Thanks for your attention.

There is often a common misconception: A snapshot is not a backup. A snapshot and the original it was taken from initially share the same data blocks. LVM snapshot is a general purpose solution which can be used, for example, to quickly create a snapshot prior to a system upgrade, then if you are satisfied with the result, you would delete the snapshot.
The advantage of a snapshot is that it can be used for a live filesystem or volume while changes are written to the snapshot volume. Hence it's called "copy on write (COW), or copy on change if you want. This is necessary for system integrity to have a consistent data status of all data at a certain point in time and to allow changes happening, for example to perform a filesystem backup. A snapshot is no substitute for a disaster recovery in case you loose your storage media. A snapshot only takes seconds, and initially does not copy or backup any data, unless data changes. It is therefore important to delete the snapshot if no longer required, in order to prevent duplication of data and restore file system performance.
LVM was never a great thing under Linux and can cause serious I/O performance bottlenecks. If snapshot or COW technology suits your purpose, I suggest you look into Btrfs, which is a modern filesystem built into the latest Oracle UEK kernel. Btrfs employs the idea of subvolumes and is much more efficient that LVM because it can operate on files or directories while LVM is doing the whole logical volume.
Keep in mind however, you cannot use LVM or Btrfs with the boot partition, because the Grub boot loader, which loads the Linux kernel, cannot deal with LVM or BTRFS before loading the Linux kernel (catch22).
I think the following is an interesting and fun to read introduction explaining basic concepts:
http://events.linuxfoundation.org/sites/events/files/slides/Btrfs_1.pdf

Best practice for calc measures

Hi,
I read in one of the olap blog from experts which says that best practice for creating the calc measures is to have them in a seperate cube.
My question is that suppose I have two cubes in a AW of different dimensionality. Both the cubes has some calc measures to be created.
So can I create one more cube(dedicated to calc measures) considering all the available dimensions in the AW and create the calc measures for both the cube which has different dimensionality?
If I cannot do this then this means that if I have two cubes having different dimensionality then I would need two more cubes to create the calc measures for them? if yes then what would be the size implecation of the AW?
Thanks in advance.
Thanks
Brijesh

"Can I create one more cube(dedicated to calc measures) considering all the available dimensions in the AW and create the calc measures for both the cube which has different dimensionality?"
Yes, you can.
This is a pretty common thing to do. Store your base measures efficiently and then use calculated measures with the 'superset' dimensionality to bring different shaped measures together for the purposes of calculations or simply to get them all in one 'hypercube' to simplify access by SQL query tools and apps.
Kevin

BI Best Practice for Chemical Industry

Hello,
I would like to know if anyone is aware of SAP BI Best Practice for Chemicals.And if so can anyone please post a link aswell.
Thanks

Hi Naser,
Below information will helps you in detail explanation regarding Chemical industry....
SAP Best Practices packages support best business practices that quickly turn your SAP ERP application into a valuable tool used by the entire business. You can evaluate and implement specific business processes quickly u2013 without extensive Customization of your SAP software. As a result, you realize the benefits with less Effort and at a lower cost than ever before. This helps you improve operational efficiency while providing the flexibility you need to be successful in highly demanding markets. SAP Best Practices packages can benefit companies of all sizes, including global enterprises creating a corporate template for their subsidiaries.
Extending beyond the boundaries of conventional corporate divisions and functions, the SAP Best Practices for Chemicals package is based on SAP ERP; the SAP Environment, Health & Safety (SAP EH&S) application; and the SAP Recipe Management application. The business processes supported by SAP Best Practices for Chemicals encompass a wide range of activities typically found in a chemical industry
Practice:
u2022 Sales and marketing
u2013 Sales order processing
u2013 Presales and contracts
u2013 Sales and distribution (including returns, returnables, and rebates, with quality management)
u2013 Inter- and intracompany processes
u2013 Cross-company sales
u2013 Third-party processing
u2013 Samples processing
u2013 Foreign trade
u2013 Active-ingredient processing
u2013 Totes handling
u2013 Tank-trailer processing
u2013 Vendor-managed inventory
u2013 Consignment processing
u2013 Outbound logistics
u2022 Supply chain planning and execution Supply and demand planning
u2022 Manufacturing planning and execution
u2013 Manufacturing execution (including quality management)
u2013 Subcontracting
u2013 Blending
u2013 Repackaging
u2013 Relabeling
u2013 Samples processing
u2022 Quality management and compliance
u2013 EH&S dangerous goods management
u2013 EH&S product safety
u2013 EH&S business compliance services
u2013 EH&S industrial hygiene and safety
u2013 EH&S waste management
u2022 Research and development Transformation of general recipes
u2022 Supplier collaboration
u2013 Procurement of materials and services (Including quality management)
u2013 Storage tank management
u2013 E-commerce (Chemical Industry Data Exchange)
u2022 Enterprise management and support
u2013 Plant maintenance
u2013 Investment management
u2013 Integration of the SAP NetWeaver Portal component
u2022 Profitability analysis
More Details
This section details the most common business scenarios u2013 those that benefit most from the application of best practices.
Sales and Marketing
SAP Best Practices for Chemicals supports the following sales and marketingu2013related business processes:
Sales order processing u2013 In this scenario, SAP Best Practices for Chemicals supports order entry, delivery, and billing. Chemical industry functions include the following:
u2022 Triggering an available-to-promise (ATP) inventory check on bulk orders after sales order entry and automatically creating a filling order (Note: an ATP check is triggered for packaged material.)
u2022 Selecting batches according to customer requirements:
u2022 Processing internal sales activities that involve different organizational units
Third-party and additional internal processing u2013 In this area, the SAP Best Practices for Chemicals package provides an additional batch production step that can be applied to products previously produced by either continuous or batch processing. The following example is based on further internal processing of plastic granules:
u2022 Purchase order creation, staging, execution, and completion
u2022 In-process and post process control
u2022 Batch assignment from bulk to finished materials
u2022 Repackaging of bulk material
SAP Best Practices for Chemicals features several tools that help you take advantage of chemical industry best practices. For example, it provides a fully documented and reusable prototype that you can turn into a productive solution quickly. It also provides a variety of tools, descriptions of business scenarios, and proven configuration of SAP software based on more than 35 years of working with the
Chemical industry.
SAP Functions in Detail u2013 SAP Best Practices for Chemicals
The package can also be used to support external toll processing such as that required for additional treatment or repackaging.
Tank-trailer processing u2013 In this scenario, SAP Best Practices for Chemicals helps handle the selling of bulk material, liquid or granular. It covers the process that automatically adjusts the differences between the original order quantities and the actual quantities filled in the truck. To determine the quantity actually filled, the tank trailer is weighed before and after loading. The delta weight u2013 or quantity filled u2013 is transmitted to the SAP software via an order confirmation. When the delivery for the sales order is created, the software automatically adjusts the order quantity with the confirmed filling quantity.The customer is invoiced for the precise quantity filled and delivered.
Supply Chain Planning and Execution
SAP Best Practices for Chemicals supports supply chain planning as well as supply chain execution processes:
Supply and demand planning u2013 Via the SAP Best Practices for Chemicals package, SAP enables complete support for commercial and supply-chain processes in the chemical industry, including support for integrated sales and operations planning, planning strategies for bulk material, and a variety of filling processes with corresponding packaging units. The package maps the entire supply chain u2013 from sales planning to material requirements planning to transportation procurement.
Supplier Collaboration
In the procurement arena, best practices are most important in the following
Scenario:
Procurement of materials and services:
In this scenario, SAP Best Practices for Chemicals describes a range of purchasing processes, including the following:
u2022 Selection of delivery schedules by vendor
u2022 Interplant stock transfer orders
u2022 Quality inspections for raw materials, including sampling requests triggered
by goods receipt
Manufacturing Scenarios
SAP Best Practices for Chemicals supports the following sales and
Manufacturingu2013related business processes:
Continuous production u2013 In a continuous production scenario, SAP Best Practices for Chemicals typifies the practice used by basic or commodity chemical producers. For example, in the continuous production of plastic granules, production order processing is based on run-schedule headers. This best-practice package also describes batch and quality management in continuous production. Other processes it supports include handling of byproducts,co-products, and the blending process.
Batch production u2013 For batch production,
SAP Best Practices for Chemicals typifies the best practice used by specialty
chemical producers. The following example demonstrates batch production
of paint, which includes the following business processes:
u2022 Process order creation, execution, and completion
u2022 In-process and post process control
u2022 Paperless manufacturing using XMLbased Process integration sheets
u2022 Alerts and events
u2022 Batch derivation from bulk to finished materials
Enterprise Management and Support
SAP Best Practices for Chemicals also supports a range of scenarios in this
area:
Plant maintenance u2013 SAP Best Practices for Chemicals allows for management
of your technical systems. Once the assets are set up in the system, it focuses on preventive and emergency maintenance. Tools and information support the setup of a production plant with assets and buildings.Revenue and cost controlling u2013 The package supports the functions that help you meet product-costing requirements in the industry. It describes how cost centers can be defined, attached
to activity types, and then linked to logistics. It also supports costing and settlement of production orders for batch and continuous production. And it includes information and tools that help you analyze sales and actual costs in a margin contribution report.
The SAP Best Practices for Chemicals package supports numerous integrated
business processes typical of the chemical industry, including the following:
u2022 Quality management u2013 Supports integration of quality management concepts across the entire supplychain (procurement, production, and sales), including batch recall and complaint handling
u2022 Batch management u2013 Helps generate batches based on deliveries from vendors or because of company production or filling, with information and tools for total management of batch production and associated processes including batch derivation, batch information cockpit, and a batchwhere- used list
u2022 Warehouse management u2013 Enables you to identify locations where materials
or batch lots are stored, recording details such as bin location and other storage information on dangerous goods to help capture all information needed to show compliance with legal requirements
Regards
Sudheer

Where to find best practices for tuning data warehouse ETL queries?

Hi Everybody,
Where can I find some good educational material on tuning ETL procedures for a data warehouse environment? Everything I've found on the web regarding query tuning seems to be geared only toward OLTP systems. (For example, most of our ETL
queries don't use a WHERE statement, so the vast majority of searches are table scans and index scans, whereas most index tuning sites are striving for index seeks.)
I have read Microsoft's "Best Practices for Data Warehousing with SQL Server 2008R2," but I was only able to glean a few helpful hints that don't also apply to OLTP systems:
often better to recompile stored procedure query plans in order to eliminate variances introduced by parameter sniffing (i.e., better to use the right plan than to save a few seconds and use a cached plan SOMETIMES);
partition tables that are larger than 50 GB;
use minimal logging to load data precisely where you want it as fast as possible;
often better to disable non-clustered indexes before inserting a large number of rows and then rebuild them immdiately afterward (sometimes even for clustered indexes, but test first);
rebuild statistics after every load of a table.
But I still feel like I'm missing some very crucial concepts for performant ETL development.
BTW, our office uses SSIS, but only as a glorified stored procedure execution manager, so I'm not looking for SSIS ETL best practices. Except for a few packages that pull from source systems, the majority of our SSIS packages consist of numerous "Execute
SQL" tasks.
Thanks, and any best practices you could include here would be greatly appreciated.
-Eric

Online ETL Solutions are really one of the biggest challenging solutions and to do that efficiently , you can read my blogs for online DWH solutions to know at the end how you can configure online DWH Solution for ETL using Merge command of SQL Server
2008 and also to know some important concepts related to any DWH solutions such as indexing , de-normalization..etc
http://www.sqlserver-performance-tuning.com/apps/blog/show/12927061-data-warehousing-workshop-1-4-
http://www.sqlserver-performance-tuning.com/apps/blog/show/12927103-data-warehousing-workshop-2-4-
http://www.sqlserver-performance-tuning.com/apps/blog/show/12927173-data-warehousing-workshop-3-4-
http://www.sqlserver-performance-tuning.com/apps/blog/show/12927061-data-warehousing-workshop-1-4-
Kindly let me know if any further help is needed
Shehap (DB Consultant/DB Architect) Think More deeply of DB Stress Stabilities

Best practices for connecting to DB

Hi,
I am having 3 different java classes which will contact the DB for getting the data from the table. I wrote a separate java class for DB connection like this :
public class DBConnection {
private Connection con;
public Connection getConnection() {
try {
Class.forName("org.apache.derby.jdbc.ClientDriver");
con = DriverManager.getConnection("jdbc:derby://localhost:1527/StrutsDB", "username", "password");
} catch (SQLException ex) {
Logger.getLogger(DBConnection.class.getName()).log(Level.SEVERE, null, ex);
} catch (ClassNotFoundException ex) {
Logger.getLogger(DBConnection.class.getName()).log(Level.SEVERE, null, ex);
return con;
How to use this single connection object in all of the 3 classes? What are all the ways of doing so?
Is there any best practices for connecting to DB?
Thanks in advance,

The problem with "best practice" is it really depends on your situation. If you are creating a single user, desktop application then what you are doing will work but would be more efficient if the connection was declared as static and you used the singleton pattern.
public class DBConnection {
    private static final Connection con;
    private DBConnection() {
        try {
            Class.forName("org.apache.derby.jdbc.ClientDriver");
            con = DriverManager.getConnection("jdbc:derby://localhost:1527/StrutsDB", "username", "password");
        } catch (SQLException ex) {
            Logger.getLogger(DBConnection.class.getName()).log(Level.SEVERE, null, ex);
        } catch (ClassNotFoundException ex) {
            Logger.getLogger(DBConnection.class.getName()).log(Level.SEVERE, null, ex);
    public static Connection getConnection() {
        return con.
}The private constructor guarantees only one instance of the class will be created (since you can't use 'new' to create one) and initialized the database connection. Then any other object that require a connection simply call DBConnection.getConnection() and they will get the same database connection each time.
Note that this is a little simplistic and is not thread safe. If your classes will be executing on different threads you will need a more sophisticated approach. You will also need to make sure you commit or rollback any transactions when done or the next time you get the connection you may be in the middle of an existing transaction.

Best practices for setting up users on a small office network?

Hello,
I am setting up a small office and am wondering what the best practices/steps are to setup/manage the admin, user logins and sharing privileges for the below setup:
Users: 5 users on new iMacs (x3) and upgraded G4s (x2)
Video Editing Suite: Want to connect a new iMac and a Mac Pro, on an open login (multiple users)
All machines are to be able to connect to the network, peripherals and external hard drive. Also, I would like to setup drop boxes as well to easily share files between the computers (I was thinking of using the external harddrive for this).
Thank you,

Hi,
Thanks for your posting.
When you install AD DS in the hub or staging site, disconnect the installed domain controller, and then ship the computer to the remote site, you are disconnecting a viable domain controller from the replication topology.
For more and detail information, please refer to:
Best Practices for Adding Domain Controllers in Remote Sites
http://technet.microsoft.com/en-us/library/cc794962(v=ws.10).aspx
Regards.
Vivian Wang

Best-practice for Catalog Views ? :|

Hello community,
A best practice question:
The situtation: I have several product categories (110), several items in those categories (4000) and 300 end-users. I would like to know which is the best practice for segment the catalog. I mean, some users should only see categories 10,20 & 30. Other users only category 80, etc. The problem is how can I implement this ?
My first idea is:
1. Create 110 Procurement Catalogs (1 for every prod.category). Each catalog should contain only its product category.
2. Assign in my Org Model, in a user-level all the "catalogs" that the user should access.
Do you have any idea in order to improve this ?
Saludos desde Mexico,
Diego

Hi,
Your way of doing will work, but you'll get maintenance issues (to many catalogs, and catalog link to maintain for each user).
The other way is to built your views in CCM, and assign these views to the users, either on the roles (PFCG) or on the user (SU01). The problem is that with CCM 1.0 this is limitated, cause you'll have to assign one by one the items to each view (no dynamic or mass processes), it has been enhanced in CCM 2.0.
My advice:
-Challenge your customer about views, and try to limit the number of views, with for example strategic and non strategic
-With CCM 1.0 stick to the procurement catalogs, or implement BADIs to assign items to the views (I experienced it, it works, but is quite difficult), but with a limitated number of views
Good luck.
Vadim

Best practice for efficiency

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