MySQL and dates
When you extract xml from a MySQL database you get the
following format for a date: 2006-08-29T21:01:07.0000000-07:00
I have managed to get flex to connect to the XML file,
display all the items in the XML file, to include the above
mentioned date. But the problem comes in formatting that date.
Obviously I don't want the user staring at that mess but all my
feeble attempts to format it in Flex haven't produced any results.
I tried to tackle the whole thing but all that did is turn the
jumbled mess into an empty column so I tried to go simple and just
pull the year (as shown below) and I still get nothing in that
column. Does anyone have any ideas on how to approach this?
<mx:DateFormatter id="DateDisplay" formatString="YYYY"
/>
<mx:DataGridColumn headerText="Last Access"
dataField="{DateDisplay.format(users_request.lastResult.last_access)}"
sortDescending="true"/>
alright so using your idea i have the following:
<mx:DataGridColumn dataField="last _access"
headerText="Last Access">
<mx:itemRenderer>
<mx:Component>
<mx:VBox>
<mx:DateFormatter id="dateFormatter"
formatString="YYYY"/>
<mx:Text
text="{dateFormatter.format(users_request.lastResult.last_access)}"/>
</mx:VBox>
</mx:Component>
</mx:itemRenderer>
</mx:DataGridColumn>
but now I am getting the following error message:
Severity Description Resource In Folder Location Creation
Time Id
2 1120: Access of undefined property users_request.
Statistics.mxml Statistics line 24 September 1, 2006 1:41:33 PM 15
so apparently it won't let me access that data in the same
manner as I did in my first example. So i thought maybe if I gave
the datagrid an id and then accessed it via that I might have
better results:
<mx:DataGrid id="mygrid" .....\>
<mx:Text
text="{dateFormatter.format(mygrid.last_access)}"/>
Severity Description Resource In Folder Location Creation
Time Id
2 1120: Access of undefined property mygrid. Statistics.mxml
Statistics line 24 September 1, 2006 1:34:54 PM 14
But I get a similiar error message as before. Any idea what
I'm missing?
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Give small example on ...
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How to handle blob data with java and mysql and hibernate
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==================================================
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===================================================
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Hello,
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C:\ATG\ATG10.1.1\CommerceReferenceStore\Store\eval>configureEval.bat
Do you wish to run the CRS evaluation installation? [Y/N]: y
Do you wish to use an existing database for the CRS evaluation? [Y/N]: n
The CRS evaluation install will attempt to create the database. Press [Return] t
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Enter user name: admin
Enter user password: admin
Enter database name: crsprod
Enter 'root' user password:
Creating database...
Finished database creation
Enter weblogic admin server URL: http://localhost:7001
Enter weblogic admin server username: weblogic
Enter weblogic admin server password: weblogic123
Buildfile: C:\ATG\ATG10.1.1\CommerceReferenceStore\Store\eval\evalbuild.xml
all:
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[delete] Deleting: C:\ATG\ATG10.1.1\CommerceReferenceStore\Store\eval\cimOut.
cim.tmp
BUILD SUCCESSFUL
Total time: 0 seconds
Application Server: weblogic
The following installed ATG components are being used to launch:
ATGPlatform version 10.1.1 installed at C:\ATG\ATG10.1.1
Created "C:\ATG\ATG10.1.1\home\CIM\startDynamo.jar" in 15,273ms.
Nucleus running
atg.cim.productconfig.productselector.ProductSelectionContextTask starting...
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atg.cim.productconfig.productselector.ProductSelectionContextTask finished.
atg.cim.productconfig.appserver.AppServerSelectTask starting...
atg.cim.productconfig.appserver.AppServerSelectTask finished.
atg.cim.productconfig.appserver.AppServerPathTask starting...
atg.cim.productconfig.appserver.AppServerPathTask finished.
atg.cim.productconfig.appserver.DomainPathTask starting...
atg.cim.productconfig.appserver.DomainPathTask finished.
atg.cim.productconfig.appserver.UrlTask starting...
atg.cim.productconfig.appserver.UrlTask finished.
atg.cim.productconfig.appserver.UsernameTask starting...
atg.cim.productconfig.appserver.UsernameTask finished.
atg.cim.productconfig.appserver.PasswordTask starting...
atg.cim.productconfig.appserver.PasswordTask finished.
atg.cim.productconfig.appserver.AppServerSelectionPersistenceTask starting...
atg.cim.productconfig.appserver.AppServerSelectionPersistenceTask finished.
atg.cim.database.CreateSchemaTask starting...
atg.cim.database.CreateSchemaTask finished.
atg.cim.database.ImportDataTask starting...
Combining template tasks...Success
Importing (1 of 1) /CIM/tmp/import/nonswitchingCore-import1.xml:
/CommerceReferenceStore/Store/Storefront/data/pricelists.xml to /atg/commerce/pr
icing/priceLists/PriceLists
/CommerceReferenceStore/Store/Storefront/data/stores.xml to /atg/store/stores/St
oreRepository
/CommerceReferenceStore/Store/Storefront/data/catalog-i18n.xml to /atg/commerce/
catalog/ProductCatalog
/CommerceReferenceStore/Store/Storefront/data/pricelists-i18n.xml to /atg/commer
ce/pricing/priceLists/PriceLists
/CommerceReferenceStore/Store/Storefront/data/sites.xml to /atg/multisite/SiteRe
pository
/CommerceReferenceStore/Store/Storefront/data/sites-i18n.xml to /atg/multisite/S
iteRepository
/CommerceReferenceStore/Store/Storefront/data/promos-i18n.xml to /atg/commerce/c
atalog/ProductCatalog
/CommerceReferenceStore/Store/Storefront/data/seotags-i18n.xml to /atg/seo/SEORe
pository
/CommerceReferenceStore/Store/Storefront/data/wishlists.xml to /atg/commerce/gif
ts/Giftlists
/CommerceReferenceStore/Store/Storefront/data/inventory.xml to /atg/commerce/inv
entory/InventoryRepository
/CommerceReferenceStore/Store/Storefront/data/users.xml to /atg/userprofiling/Pr
ofileAdapterRepository
/CommerceReferenceStore/Store/Storefront/data/orders.xml to /atg/commerce/order/
OrderRepository
/CommerceReferenceStore/Store/Storefront/data/orders-i18n.xml to /atg/commerce/o
rder/OrderRepository
/CommerceReferenceStore/Store/Storefront/data/storetext-i18n.xml to /atg/store/s
tores/StoreRepository
/CommerceReferenceStore/Store/Storefront/data/claimable-i18n.xml to /atg/commerc
e/claimable/ClaimableRepository
... > Success
All Imports Completed Successfully
atg.cim.database.ImportDataTask finished.
atg.cim.worker.common.PropertyFileClearPersistanceTask starting...
atg.cim.worker.common.PropertyFileClearPersistanceTask finished.
atg.cim.productconfig.serverinstance.ServerInstanceNameTask starting...
atg.cim.productconfig.serverinstance.ServerInstanceNameTask finished.
atg.cim.productconfig.serverinstance.PortBindingsSelectTask starting...
atg.cim.productconfig.serverinstance.PortBindingsSelectTask finished.
atg.cim.worker.common.MapPropertyFileCreatorTask starting...
atg.cim.worker.common.MapPropertyFileCreatorTask finished.
atg.cim.worker.common.MapPropertyFileCreatorTask starting...
atg.cim.worker.common.MapPropertyFileCreatorTask finished.
atg.cim.worker.common.MapPropertyFileCreatorTask starting...
atg.cim.worker.common.MapPropertyFileCreatorTask finished.
atg.cim.worker.common.MapPropertyFileCreatorTask starting...
atg.cim.worker.common.MapPropertyFileCreatorTask finished.
atg.cim.worker.common.MapPropertyFileCreatorTask starting...
atg.cim.worker.common.MapPropertyFileCreatorTask finished.
atg.cim.worker.common.MapPropertyFileCreatorTask starting...
atg.cim.worker.common.MapPropertyFileCreatorTask finished.
atg.cim.worker.common.MapPropertyFileCreatorTask starting...
atg.cim.worker.common.MapPropertyFileCreatorTask finished.
atg.cim.worker.common.MapPropertyFileCreatorTask starting...
atg.cim.worker.common.MapPropertyFileCreatorTask finished.
atg.cim.worker.common.MapPropertyFileCreatorTask starting...
atg.cim.worker.common.MapPropertyFileCreatorTask finished.
atg.cim.worker.common.MapPropertyFileCreatorTask starting...
atg.cim.worker.common.MapPropertyFileCreatorTask finished.
atg.cim.worker.common.MapPropertyFileCreatorTask starting...
atg.cim.worker.common.MapPropertyFileCreatorTask finished.
atg.cim.worker.common.MapPropertyFileCreatorTask starting...
atg.cim.worker.common.MapPropertyFileCreatorTask finished.
atg.cim.worker.common.MapPropertyFileCreatorTask starting...
atg.cim.worker.common.MapPropertyFileCreatorTask finished.
atg.cim.worker.common.MapPropertyFileCreatorTask starting...
atg.cim.worker.common.MapPropertyFileCreatorTask finished.
atg.cim.productconfig.serverinstance.MakeServerInstanceFromPatternTask starting.
atg.cim.productconfig.serverinstance.MakeServerInstanceFromPatternTask finished.
atg.cim.productconfig.appassembly.EarFileNameTask starting...
atg.cim.productconfig.appassembly.EarFileNameTask finished.
atg.cim.productconfig.deploy.weblogic.OnlineCreateServerInstanceTask starting...
Error Executing Batch File
atg.cim.worker.TaskException: Error deploying to weblogic
atg.cim.worker.TaskException: Error exececuting batch file
at atg.cim.flow.CimFlowCreator.startHeadlessCimFlow(CimFlowCreator.java:
130)
at atg.cim.Launcher.startCimFlow(Launcher.java:278)
at atg.cim.Launcher.main(Launcher.java:99)
Caused by: atg.cim.worker.TaskException: Error deploying to weblogic
at atg.cim.worker.Task.handleException(Task.java:72)
at atg.cim.productconfig.deploy.weblogic.OnlineCreateServerInstanceTask.
execute(OnlineCreateServerInstanceTask.java:159)
at atg.cim.headless.HeadlessExecutorImpl.executeTasks(HeadlessExecutorIm
pl.java:150)
at atg.cim.headless.HeadlessExecutorImpl.populateAndExecuteHeadlessTasks
(HeadlessExecutorImpl.java:140)
at atg.cim.batch.BatchChooserExecutor.populateAndExecuteHeadlessTasks(Ba
tchChooserExecutor.java:169)
at atg.cim.flow.CimFlow.headlessFlow(CimFlow.java:116)
at atg.cim.flow.CimFlowCreator.startHeadlessCimFlow(CimFlowCreator.java:
120)
... 2 more
Caused by: C:\ATG\ATG10.1.1\CIM\plugins\Base\ant\cim-ant.xml:348: The following
error occurred while executing this line:
C:\ATG\ATG10.1.1\CIM\plugins\Base\ant\cim-ant.xml:254: The following error occur
red while executing this line:
C:\ATG\ATG10.1.1\CIM\plugins\Base\ant\cim-ant.xml:214: exec returned: 1
at org.apache.tools.ant.ProjectHelper.addLocationToBuildException(Projec
tHelper.java:541)
at org.apache.tools.ant.taskdefs.MacroInstance.execute(MacroInstance.jav
a:394)
at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:288)
at sun.reflect.GeneratedMethodAccessor132.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces
sorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.jav
a:105)
at org.apache.tools.ant.Task.perform(Task.java:348)
at org.apache.tools.ant.Target.execute(Target.java:357)
at org.apache.tools.ant.Target.performTasks(Target.java:385)
at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1329)
at org.apache.tools.ant.Project.executeTarget(Project.java:1298)
at atg.cim.task.ant.utility.AntExecutionWrapper.executeAntTarget(AntExec
utionWrapper.java:167)
at atg.cim.worker.AntTask.executeAntTarget(AntTask.java:115)
at atg.cim.productconfig.deploy.weblogic.OnlineCreateServerInstanceTask.
execute(OnlineCreateServerInstanceTask.java:155)
... 7 more
Caused by: C:\ATG\ATG10.1.1\CIM\plugins\Base\ant\cim-ant.xml:254: The following
error occurred while executing this line:
C:\ATG\ATG10.1.1\CIM\plugins\Base\ant\cim-ant.xml:214: exec returned: 1
at org.apache.tools.ant.ProjectHelper.addLocationToBuildException(Projec
tHelper.java:541)
at org.apache.tools.ant.taskdefs.MacroInstance.execute(MacroInstance.jav
a:394)
at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:288)
at sun.reflect.GeneratedMethodAccessor132.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces
sorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.jav
a:105)
at org.apache.tools.ant.Task.perform(Task.java:348)
at org.apache.tools.ant.taskdefs.Sequential.execute(Sequential.java:62)
at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:288)
at sun.reflect.GeneratedMethodAccessor132.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces
sorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.jav
a:105)
at org.apache.tools.ant.Task.perform(Task.java:348)
at org.apache.tools.ant.taskdefs.MacroInstance.execute(MacroInstance.jav
a:391)
... 20 more
Caused by: C:\ATG\ATG10.1.1\CIM\plugins\Base\ant\cim-ant.xml:214: exec returned:
1
at org.apache.tools.ant.taskdefs.ExecTask.runExecute(ExecTask.java:636)
at org.apache.tools.ant.taskdefs.ExecTask.runExec(ExecTask.java:662)
at org.apache.tools.ant.taskdefs.ExecTask.execute(ExecTask.java:487)
at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:288)
at sun.reflect.GeneratedMethodAccessor132.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces
sorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.jav
a:105)
at org.apache.tools.ant.Task.perform(Task.java:348)
at org.apache.tools.ant.taskdefs.Sequential.execute(Sequential.java:62)
at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:288)
at sun.reflect.GeneratedMethodAccessor132.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces
sorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.jav
a:105)
at org.apache.tools.ant.Task.perform(Task.java:348)
at org.apache.tools.ant.taskdefs.MacroInstance.execute(MacroInstance.jav
a:391)
... 34 more
Nucleus shutting down
Nucleus shutdown complete
Thanks.This error is resolved after following the logs in C:\ATG\ATG10.1.1\CIM\log\cim.log. The root cause is I used http as protocol instead of t3 while specifying weblogic admin url.
http://localhost:7001 instead of t3://localhost:7001
Thanks. -
Performance with MySQL and Database connectivity toolbox
Hi!
I'm having quite some problems with the performance of MySQL and Database connectivity toolbox. However, I'm very happy with the ease of using database connectivity toolbox. The background is:
I have 61 variables (ints and floats) which I would like to save in the MySQL-database. This is no problem, however, the loop time increases from 8ms to 50ms when using the database. I have concluded that it has to do with the DB Tools Insert Data.vi and I think that I have some kind of performance issue with this VI. The CPU never reach more the 15% of its maximum performance. I use a default setup and connect through ODBC.
My questions are:
1. I would like to save 61 variables each 8-10ms, is this impossible using this solution?
2. Is there any way of increasing the performance of the DB Tools Insert Data.vi or use any other VI?
3. Is there any way of adjusting the MySQL setup to achieve better performance?
Thank you very much for your time.
Regards,
MattiasFirst of all, thank you very much for your time. All of you have been really good support to me.
>> Is your database on a different computer? Does your loop execute 61 times?
Database is on the same computer as the MySQL server.
The loop saves 61 values at once to the database, in one SQL-statement.
I have now added the front panel and block diagram for my test-VI. I have implemented the queue system and separate loops for producer and consumer. However, since the queue is building up faster then the consumer loop consumes values, the queue is building up quite fast and the disc starts working.
The test database table that I add data to is created by a simple:
create table test(aa int, bb char(15));
...I'm sure that this can be improved in some way.
I always open and close the connection to the database "outside the loop". However, it still takes some 40-50 ms to save the data to the database table - so, unfortunatly no progress to far. I currently just want to save the data.
Any more advise will be gratefully accepted.
Regards,
Mattias
Message Edited by mattias@hv on 10-23-2007 07:50 AM
Attachments:
front panel 2.JPG 101 KB
block diagram.JPG 135 KB -
Preferences: Code Editor: Printing: Add File Path and Date to Print Header?
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First of all,
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If you have difference on report and PDF that you should look into your setup.
If you want more help, please be particular on your issue
james. wrote:
Hi All,
I am using Oracle Report 10g. How can I add header and footer on same page as my body? Right now when a generate a pdf file, it is printing individual pages instead of 1 one page. Please help me.
Regards -
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As always if the answers to these questions are obscenely
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time that I dabbled with SSI. So I've started using PHP.
However, I have been following the installation directions of
MySql and am running into problems. I am installing the relavent
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despite my computer telling me it is...... I am using a G3 running
OSX 10.4 is this good enough? I noticed talk of needing a PowerPC
or Intel mac. Is this the case?
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these programs installed as standard?
If you could help out I would be very appreciative as I would
like to learn this stuff and I appear to be struggling at the
outset....
Cheers
M.AM.A.Wilson wrote:
> However, I have been following the installation
directions of MySql and am
> running into problems. I am installing the relavent
software and am then unable
> to find it on my Mac, the startup files are there but
the actual MySql data
> appears to not be installed despite my computer telling
me it is...... I am
> using a G3 running OSX 10.4 is this good enough? I
noticed talk of needing a
> PowerPC or Intel mac. Is this the case?
MySQL is a relational database management system that
comprises a
database server and several utility programs. Although you
install it
like any other program on a Mac, the similarity stops there.
First, the point about PowerPC and Intel Macs is that there
are
different versions of the MySQL installer for each type of
processor.
I'm pretty sure that a G3 is OK, but you must choose the
PowerPC version
of MySQL, not the 64-bit or x86 (Intel Mac) version.
Once you have installed MySQL, you need to drag the
MySQL.PrefPane icon
from the disk image onto your System Preferences. This
installs a
Preference Pane that enables you to start and stop MySQL. The
Preference
Pane has an option to start up MySQL automatically, but in my
experience, it doesn't work on Tiger. You need to open the
Preference
Pane, and click Start MySQL Server each time you start your
computer.
The best way to work with MySQL is to use a graphical
interface, such as
phpMyAdmin. As Osgood has mentioned, I have written a book
about PHP and
Dreamweaver, which goes into all the necessary details. It's
also very
Mac-friendly with separate instructions where necessary for
PC and Mac.
More details here:
http://foundationphp.com/dreamweaver8/
David Powers
Author, "Foundation PHP for Dreamweaver 8" (friends of ED)
Author, "Foundation PHP 5 for Flash" (friends of ED)
http://foundationphp.com/ -
Database setup with MySQL and PHP question
Hello all,
I recently had a problem getting a report to work for a site I was updating. This site is written in PHP with a MySQL database. The application is to track customer calls to auto repair stores. The database has a lot of foreign keys because they wanted to update information in only one spot and have multiple records be updated all at once. So, I've got all the information from individual calls saved in the call_log table, and have foreign keys to reference information in other tables (for example this table lists what store received the call referencing the store table). If a store changes locations, they want to have reports automatically update with the new address, connection to conversation number, etc.
In one of the responses to my question on how to get this report to work, I was told that this could be done without using foreign keys (by Normalizing the database using mapping tables). I am still a newbie to MySQL, and after looking though a lot of manuals, tutorials, and forum posts, I am more confused now than ever.
I got the report to work using the foreign keys, but I would like to learn what I should have done with the database (and how to get the information displayed).
So for example one report would be displaying the following:
Store Reason for the Customer Call
breaks oil change shocks tune up total calls
5636 - Bloomington 2 4 0 2 8
8875 - Duluth 1 6 4 8 19
with links on the store name to pull up the information on that specific store. How would I change the database (listed below) to do this without foreign keys? Any help would be greatly appreciated.
call_log (table that contains the following:)
call_id
conv_number
date
camp_type (foreign key to the campaign table so it displays the campaign_id)
reason (foreign key to the call_reason table so it displays the reason_id)
location (foreign key to the store table so it displays the store_id)
associate
call_summary
trainig_issue (foreign key to the training_points table so it displays the training_key_id)
visit_closed
example (foreign key to the example_type table so it displays the example_id)
campaign (table that contains the following:)
campaign_id
campaign_name
campaign_promotion
campaign_coupon
campaign_startdate
campaign_enddate
call_reason (table that contains the following:)
reason_id
reason
store (table that contains the following:)
store_id
store_number
store_address
store_city
store_state
store_postalcode
store_name
store_phone
store_email
store_mgr
training_points (table that contains the following:)
training_key_id
key_issue
policy
example_type (table that contains the following:)
example_id
example_name
example_image
Thank you very much.Frankly, that is way to much of a question to be answered in detail on a forum... There's a lot involved and a lot of general database understanding required. I would highly recommend:
Database Design for Mere Mortals: A Hands-On Guide to Relational Database Design, Second Edition -- by Michael J. Hernandez
This is an invaluable book to get you going in the right direction and on a firm foundation.
Lawrence *Adobe Community Expert*
www.Cartweaver.com
Complete Shopping Cart Application for
Dreamweaver, available in ASP, PHP and CF
www.twitter.com/LawrenceCramer -
BUG: Export DDL and Data fails for mixed case table/column names
Hi there,
I have found a bug in SQL Developer. See details below.
Description:
When "Export DDL and Data) function is used on a table/columns not named in UPPERCASE, sql generated by SQL Developer is invalid.
Steps to reproduce:
- open SQL Developer, connect to DB
- make a table named "lowerCase" (in double quotes, so it won't be automatically changed to capital letters)
- you may also add some columns, for example "lowerCol1", "UpCol2", ALLUPCOL3
- add some data rows to the table
- choose Tools -> Export DDL and Data
- check exporting of tables and data, on "filter" tabs choose your "lowerCase" table
- press "Apply"
Error:
Generated SQL contains invalid INSERTs: mixed-case table and columns are referenced without obligatory double quotes, which yields an error when generated script is executed (see below, relevant line is underlined)
-- DDL for Table lowerCase
CREATE TABLE "DBO_HT"."lowerCase"
( "lowerCol1" VARCHAR2(100),
"UpCol2" VARCHAR2(100),
"ALLUPCOL3" VARCHAR2(100)
-- DATA FOR TABLE lowerCase
-- FILTER = none used
-- INSERTING into lowerCase
Insert into lowerCase (lowerCol1,UpCol2,ALLUPCOL3) values ('lc','uc','auc');
-- END DATA FOR TABLE lowerCase
Remarks
SQL Developer: version 1.2.1, build MAIN-32.13
Oracle DBs: 9.2 & Express
OS: Windows 2000 Professional
If you need any more details/testing, let me know. I'd really appreciate a quick patch for this issue...
Alternatively, do you know of any other simple way of copying a single database (it's called a schema in Oracle, right?) from one computer to another? Possibly something so simple like detaching->copying->reattaching mdf (data) files in SQL Server... I thought that this "Export DDL&Data" function will do, but as you can see I couldn't use it.
I just need a simple solution that works - one operation on source to stuff, get the resulting files to other computer and one operation to have it running there... I think that such scenario is very basic, yet I just can't achieve it and I am simply not allowed to spend more time on it (read: our test project fails, my company rejects my "lobbying" and stays with MSSQL :/ )
Thanks a lot & byeThanks for your reply.
ad. 1)
You're right. I just wanted to give some very short feedback on my experiences with SQL Developer, so I didn't think starting new threads would be necessary, but as I was writing it became much bigger than I initially planned - sorry about that. I will make proper threads as soon as possible. Having "Edit post" button on this forum would also be useful.
ad. 2)
Generally, you're right - in most cases it's true that "switching DBMS is a major commitment" and "you will produce terrible code" if you don't learn the new one.
However, I think that you miss one part of market here - the market that I think Express is also targeted on. I'd call it a "fire&forget databases" market; MySQL comes to mind as possibly most common solution here. It's the rather small systems, possibly web-accessed, whose data-throughput requirements are rather modest; the point is to store data at all, and not necesarily in fastest way, because given the amount of data that is used, even on low-end hardware it will work well enough. What's important here is its general ease of use - how easy is to set up such system, connect and access data, develop a software using it, how much maintenance is needed, how easy this maintenance is, how easy are the most common development tasks as creating a DB, moving a DB from test to production server etc. There, "how easy" directly translates to "how much time we need to set it up", which translates to "how much will the development will cost".
Considering the current technology, switching the DBMS in such systems is not necesarily a major commitment and believe me that you will not produce terrible code. In many cases it's as simple as changing a switch in your ORM toolkit: hibernate.dialect = Hibernate.Dialect.OracleDialect vs MySQLDialect vs MsSql2005Dialect
Therefore, in some part of market it's easy to switch DBMS, even on project-by-project basis. The reason to switch will appear when other DBMS makes life easier => development faster. From that point of view, I can understand my colleagues giving me an embarassing look and saying "come on, I won't read all these docs just to have db copied to test server". And it doesn't mean "they are not willing to learn anything new", it's just that they feel such basic task should have self-explaining solution that doesn't require mastering any special knowledge. And if they get such simple solutions somewhere else, it costs them nothing to change the hibernate dialect.
I think Oracle did the great job with introducing the Express to this "fire&forget" market. The installation is a snap, it just works out of the box, nothing serious to configure, opposite to what I remember from installing and working on Oracle 9 a few years ago. In some places it's still "you need to start SQL*Plus and enter this script", but it's definitely less than before. I also find the SQL Developer a great tool, it can do most of what we need to do with the DB, it's also much better and pleasant to use over Oracle 9 tools. Still, a few basic things still require too much hassle, and I'd say taking your schema to another machine is one of them. So I think that, if you do it well, the "schema copy wizard" you mentioned might be very helpful. If I was to give any general advice for Express line of DB/tools, I'd say "make things simple" - make it "a DB you can't see".
That's, IMHO, the way to attract more Express users. -
Apache, MySQL, and PHP
I am new PHP development and working on a test project. I've installed Apache, MySQL and PHP on my Windows XP box and now I'm a little confused. I created a database and some sample code to retrieve data. Now, on a server I'm using which supports this how do I upload this to the server for use?
I hope this makes sense. Is there a built-in app for that or do I upload my created db to the server.
UPDATE: I forgot to add that I am working locally and now would like to port this over to my domain and server. My host uses a linux box with apache.
Thanks in advance,
mdawgHi,
Download the mysql admin gui from here : http://dev.mysql.com/downloads/gui-tools/5.0.html
If your host server allows connections from other hosts you can use the mysql gui to connect to the local database as well as the host database and export the tables to your new database on the host. This is the way I prefer to do it... but some hosts only allow SQL connections from the localhost itself which basically means you won't be able to connect to it using the mysql gui tools.
However you can still generate the database scripts from the gui tools and login to your hosts mysql manager - possibly phpMyAdmin and then simply execute the SQL script.
Hope this helps,
Brendan -
I am trying to create a table name in a mysql database using ruby scripts. The name of the table should be the current date. this is how i tried to do it, but didnt work:
in the ruby code:
TOS = Time.now.localtime.strftime("%Y-%m-%d_#{Time.now.hour}:#{Time.now.min}")
dbh = Mysql.real_connect("localhost", "testuser", "testpass", "test")
dbh.query("CREATE TABLE #{TOS}
IP VARCHAR(10),
PORT VARCHAR(5),
SERVICE VARCHAR(40)
This doesnt work for some reason.. I started ruby yesterday so easy comments about my ignoranceThe article at http://developer.apple.com/tools/developonrailsleopard.html suggests updating Rails and installed gems.
I ran the following:
$ sudo gem update --system
$ sudo gem install rails
$ sudo gem update rake
and all was well. Then I ran
$sudo gem install mysql
and got the following output.
norbert:vocab bwelling$ sudo gem install mysql
Building native extensions. This could take a while...
ERROR: Error installing mysql:
ERROR: Failed to build gem native extension.
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/bin/ruby extconf.rb install mysql
can't find header files for ruby.
Gem files will remain installed in /Library/Ruby/Gems/1.8/gems/mysql-2.7 for inspection.
Results logged to /Library/Ruby/Gems/1.8/gems/mysql-2.7/gem_make.out
norbert:vocab bwelling$
Ideas??
So... Something is jacked, that's for sure. -
Hi Gurus,
Can anyone tell me the difference between "Data replication", "Data Cloning", "Data duplication" and "Data Migration". I have gone through Google but doesn't find any appropriate answer for that where I can find the difference.
It would be highly appreciated if you give me a link for all and give me some point out.
Thanks & Regards
Nimai KarmakarHere is how I see the terms used and understood by most folks
"Data replication"
This is the keeping the same data in sync in 2 different databases. Replication is the process of keeping data in sync between 2 environments/databases and not limited to Oracle to Oracle, it could be Oracle to MySQL to be kept in sync, MySQL to Oracle, Oracle to SQL Server, SQL Server to Oracle. The purpose of keeping data in sync can vary, but that is basic description of what it is.
"Data Cloning"
Make a copy of the data/database from one database environment to another, like for example taking production database and cloning the database to a pre-production database/environment for testing. Coning term is used more when copying a database not just data, but the whole database so typically you hear the reference "Database Cloning", but data cloning is basically the making a copy of the data from one place to another. Sometimes Cloning and Duplicating are used in the same way by folks as the basic end result is the same you are making a copy of the data to someplace else.
"Data duplication"
This is typically term when duplicating the data from one environment to another for a particular purpose, a lot of folks use "Data/Database Cloning" and "Data Duplication" in the same context, meaning they use them to mean the same thing, but I see more difference in the terms so when they are different Data Duplication is done when combining 2 databases to 1 therefore you can not clone the 2 databases into one so this term would be used more in those circumstances.
"Data Migration"
Moving data from one location/database to another location database, for example moving from MySQL to Oracle you would do a data migration from MySQL to Oracle as you are moving the data from MySQL to Oracle and going to leave it in Oracle. You could also be migrating to from Oracle 10g environment to a new Oracle 11g environment, therefore "Migration" is typically used when referring to moving the data from one environment to another and the source and target are different in location, database vendor, database version.
These are very simple ways of looking at the terms from my experience on how they are used. -
I downloaded mySQL and mySQL driver NOW WHAT ?
I downloaded the mySQL and the mySQL driver. What do I do now ?
I saw a book "mySQL and PHP for Dummies" . What is PHP ?
Can you give me direction ?
(without the "go read the archives" type of non-helpful help ?)
Thank you in advance
StanIf it's PHP and MySQL you're interested in, why are you posting to a Java forum?
PHP is a Web scripting language:
http://www.php.net/
If you want to use MySQL with Java, you'll have to learn enough about SQL and relational databases to be able to get into MySQL, create some tables and users, and add some data. Then you'll use the MySQL JDBC driver to let your Java app access those database tables and do CRUD operations on them (Create/Read/Update/Delete).
There's a JDBC tutorial under the Tutorials link to the left on this page.
Here's a Java app that will let you run any valid SQL statement you wish against any database:
import java.sql.*;
import java.util.*;
public class DataConnection
public static final String DEFAULT_DRIVER = "sun.jdbc.odbc.JdbcOdbcDriver";
public static final String DEFAULT_URL = "jdbc:odbc:DRIVER={Microsoft Access Driver (*.mdb)};DBQ=c:\\Edu\\Java\\Forum\\DataConnection.mdb";
public static final String DEFAULT_USERNAME = "admin";
public static final String DEFAULT_PASSWORD = "";
/** Database connection */
private Connection connection;
* Driver for the DataConnection
* @param command line arguments
* <ol start='0'>
* <li>SQL query string</li>
* <li>JDBC driver class</li>
* <li>database URL</li>
* <li>username</li>
* <li>password</li>
* </ol>
public static void main(String [] args)
DataConnection db = null;
try
if (args.length > 0)
String sql = args[0];
String driver = ((args.length > 1) ? args[1] : DEFAULT_DRIVER);
String url = ((args.length > 2) ? args[2] : DEFAULT_URL);
String username = ((args.length > 3) ? args[3] : DEFAULT_USERNAME);
String password = ((args.length > 4) ? args[4] : DEFAULT_PASSWORD);
db = new DataConnection(driver, url, username, password);
Object result = db.executeSQL(sql);
System.out.println(result);
else
System.out.println("Usage: db.DataConnection <sql> <driver> <url> <username> <password>");
catch (SQLException e)
System.err.println("SQL error: " + e.getErrorCode());
System.err.println("SQL state: " + e.getSQLState());
e.printStackTrace(System.err);
catch (Exception e)
e.printStackTrace(System.err);
finally
if (db != null)
db.close();
db = null;
* Create a DataConnection
* @throws SQLException if the database connection fails
* @throws ClassNotFoundException if the driver class can't be loaded
public DataConnection() throws SQLException,ClassNotFoundException
this(DEFAULT_DRIVER, DEFAULT_URL, DEFAULT_USERNAME, DEFAULT_PASSWORD);
* Create a DataConnection
* @throws SQLException if the database connection fails
* @throws ClassNotFoundException if the driver class can't be loaded
public DataConnection(final String driver,
final String url,
final String username,
final String password)
throws SQLException,ClassNotFoundException
Class.forName(driver);
this.connection = DriverManager.getConnection(url, username, password);
* Clean up the connection
public void close()
try
this.connection.close();
catch (Exception e)
; // do nothing; you've done your best
* Execute ANY SQL statement
* @param SQL statement to execute
* @returns list of row values if a ResultSet is returned,
* OR an altered row count object if not
* @throws SQLException if the query fails
public Object executeSQL(final String sql) throws SQLException
Object returnValue = null;
Statement statement = this.connection.createStatement();
boolean hasResultSet = statement.execute(sql);
if (hasResultSet)
ResultSet rs = statement.getResultSet();
ResultSetMetaData meta = rs.getMetaData();
int numColumns = meta.getColumnCount();
List rows = new ArrayList();
while (rs.next())
Map thisRow = new LinkedHashMap();
for (int i = 1; i <= numColumns; ++i)
String columnName = meta.getColumnName(i);
Object value = rs.getObject(columnName);
thisRow.put(columnName, value);
rows.add(thisRow);
rs.close();
statement.close();
returnValue = rows;
else
int updateCount = statement.getUpdateCount();
returnValue = new Integer(updateCount);
return returnValue;
}Maybe it'll help get you started with Java and JDBC. You're on your own with PHP. - MOD -
DSO - What key fields and data fields in dso
Hi experts,
I need to create a dso in between the cube and 2 data sources(2lis_11_vaitm, 2lis_12_vcscl) to stage the data. My question is: what key fields and data fields to choose for the dso? is there a standard dso to copy? please explain in detail the model to set up, whether to connect both the ds's to dso and then to cube or one ds to dso and the other to the cube. more details will help.Check this for standard DSO:
http://help.sap.com/saphelp_nw04/helpdata/en/43/fcdc387f34384f94c3227baf3837a8/content.htm
Thanks...
Shambhu
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