Confusion of Data Type of logical data model.
I don't understand.When you define a logic model, I want to assign the data types for the attributes in my model.
I understand a logical data type such as money, and that a logical data type may be implemented differently in different databases. The concept makes perfect sense to me.
Choose a data type for the logical types.
It ignores the logical data type that I have picked and put in another type of places data. I'm guessing it's a physical mapping. I understand the logic-relational mapper does this, but I don't understand what is happening right now in the life cycle of the model.
Let's say that I take money. He puts in the logical data type Double, no money.
If I take a Date or DateTime, it puts the Date in the logical data type, then what's the point of giving me two types to choose?
Seems a little wonky.
Type of logic is still there, made in the dialog box is not correct. Logic type is transferred to the relational model and despite his record native type on the diagram it is still there and you can change the mapping of different native type later.
Philippe
Tags: Database
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http://docs.Oracle.com/CD/E48219_01/doc.40/e48205/tut_data_modeling.htm#DMDUG36169
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I hope this helps!
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Thanks for the good words.
will be the Data Modeler has continued to be improved to fully support the Oracle objects and object relational (OR) model?
Short time - Yes. What do you want Besides lack of support now nested columns (and related to these constraints, including the PK constraint) and the generation of the 'Alter Instructions?
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Hi David,
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2015-07-24 19:46:31, 685 [Thread-25] ERROR XMLTransformationManager - cannot parse list of objects: C:\Systems\Software\Event-Cloud\Workspaces\Des-Database\v1.0.0.1-whole\dbd-150721-1\v100-dev\businessinfo/Objects.local
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Thanks in advance
With the help of a few other developers I maneged to make everything work properly.
Jeremy Duke pointed out that I would need to use the onItemAdded in my data model of the Group:
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Thanks for your help
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Hello
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Here is the list (QML) and my data model (C++)
ListView { dataModel: _noteBook.model listItemComponents: ListItemComponent { type: "item" StandardListItem { title: ListItemData.title description: ListItemData.status } } onTriggered: { clearSelection() select(indexPath) _noteBook.setCurrentNote(indexPath) _noteBook.viewNote(); navigationPane.push(noteViewer.createObject()) } }NoteBook.cpp
#include "NoteBook.hpp" #include "NoteEditor.hpp" #include "NoteViewer.hpp" #include
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/* Copyright (c) 2012, 2013 BlackBerry Limited. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #ifndef NOTEBOOK_HPP #define NOTEBOOK_HPP #include
#include #include #include class NoteEditor; class NoteViewer; /** * @short The controller class that makes access to notes available to the UI. */ //! [0] class NoteBook : public QObject { Q_OBJECT // The model that provides the filtered list of notes Q_PROPERTY(bb::cascades::GroupDataModel *model READ model CONSTANT); // The pattern to filter the list of notes Q_PROPERTY(QString filter READ filter WRITE setFilter NOTIFY filterChanged); // The viewer object for the current note Q_PROPERTY(NoteViewer* noteViewer READ noteViewer CONSTANT); // The editor object for the current note Q_PROPERTY(NoteEditor* noteEditor READ noteEditor CONSTANT); public: NoteBook(QObject *parent = 0); public Q_SLOTS: /** * Marks the note with the given @p indexPath as current. */ void setCurrentNote(const QVariantList &indexPath); /** * Prepares the note editor to create a new note. */ void createNote(); /** * Prepares the note editor to edit the current note. */ void editNote(); /** * Prepares the note viewer to display the current note. */ void viewNote(); /** * Deletes the current note. */ void deleteNote(); Q_SIGNALS: // The change notification signal for the property void filterChanged(); private Q_SLOTS: // Filters the notes in the model according to the filter property void filterNotes(); private: // The accessor methods of the properties bb::cascades::GroupDataModel* model() const; QString filter() const; void setFilter(const QString &filter); NoteViewer* noteViewer() const; NoteEditor* noteEditor() const; // The central object to access the notebook service bb::pim::notebook::NotebookService* m_notebookService; // The property values bb::cascades::GroupDataModel* m_model; QString m_filter; // The controller object for viewing a note NoteViewer* m_noteViewer; // The controller object for editing a note NoteEditor* m_noteEditor; // The ID of the current note bb::pim::notebook::NotebookEntryId m_currentNoteId; }; //! [0] #endif If something you can help me with then this would be very useful - if you need to see more of code then let me know too!
Thanks in advance
Try to add in constructor (after a call to setGrouping):
QStringList keys;
key<>
m_model-> setSortingKeys (keys);May require alterations, I have not tried this compilation.
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Los Alamos, NMThanks for reporting this. I logged a bug (22586955).
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Multiple datasets in single data model
Dear experts,
We have created a unique data model that has several sets of data sharing common to BI 11 g Publisher parameters.
We are facing a problem of performance (data recovery is very slow) while to fetch data from database on execution.
How to improve the performance in this case?
Your help will be very appreciated.
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DB BLOB data recovery should not be a problem. But just to make sure that you remove your SQL BLOB type and see to it there improvements?
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But you can do a proof for yourself:
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I recommend you to do.
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Hello OTN.
I don't understand why my sql query will pass by in the data model of the BI Publisher. I created a new data model, chose the data source and type of Standard SQL = SQL. I tried several databases and all the same error in BI Publisher, but the application works well in TOAD / SQL Developer. So, I think it might be something with my case so I'm tender hand to you to try and let me know if you get the same result as me.
The query is:
SELECT to_char (to_date ('15-' |)) TO_CHAR(:P_MONTH) | » -'|| (To_char(:P_YEAR), "YYYY-DD-MONTH") - 90, "YYYYMM") as yrmth FROM DUAL
Values of the variable:
: P_MONTH = APRIL
: P_YEAR = 2015
I tried multiple variations and not had much luck. Here are the other options I've tried:
WITH DATES AS
(
Select TO_NUMBER (decode (: P_MONTH, 'JANUARY', '01',))
'FEBRUARY', '02',.
'MARCH', '03'.
'APRIL', '04'
'MAY', '05'.
'JUNE', '06'.
'JULY', '07',.
'AUGUST', '08'.
'SEPTEMBER', '09'.
'OCTOBER', '10',.
'NOVEMBER', '11'.
"DECEMBER", "12."
'01')) as mth_nbr
of the double
)
SELECT to_char (to_date ('15-' |)) MTH_NBR | » -'|| (TO_CHAR(:P_YEAR), 'DD-MM-YYYY') - 90, "YYYYMM")
OF DATES
SELECT to_char (to_date ('15-' |: P_MONTH |)) » -'|| ((: P_YEAR, 'MONTH-DD-YYYY')-90, "YYYYMM") as yrmth FROM DUAL
I'm running out of ideas and I don't know why it does not work. If anyone has any suggestions or ideas, please let me know. I always mark answers correct and useful in my thread and I appreciate all your help.
Best regards
-Konrad
So I thought to it. It seems that there is a bug/lag between the guest screen that appears when you enter SQL in the data model and parameter values, to at model/value data.
Here's how I solved my problem.
I have created a new data model and first created all my settings required in the data model (including the default values without quotes, i.e. APRIL instead "Of APRIL") and then saved.
Then I stuck my sql query in the data model and when I clicked ok, I entered my string values in the message box with single quotes (i.e. "in APRIL' instead of APRIL)
After entering the values of string with single quotes in the dialog box, I was able to retrieve the columns in the data model and save.
In the data tab, is no longer, I had to enter the values in single quotes, but entered values normally instead, and the code worked.
It seems the box prompted to bind the values of the variables when the SQL text in a data model expects strings to be wrapped in single quotes, but no where else. It's a big headache for me, but I'm glad that I solved it, and I hope this can be of help to other institutions.
See you soon.
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Hello
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After that, I started with another user on my computer, it the error does not occur.
Is there a system folder to remove the configuration of my personal like jdeveloper and sql developer?
I lose the most important features, for example. have no browser and cannot open a design.
Here is the full error stack:
29 may 2015 22:17:40 oracle.ideimpl.extension.AddinManagerImpl
SEVERE: Exception initialization 'oracle.dbtools.crest.fcp.DataModelerAddin' extension ' Oracle SQL Developer Data Modeling
java.lang.NullPointerException
at oracle.dbtools.crest.swingui.editor.UDPLibrariesPersistence.load(UDPLibrariesPersistence.java:220)
at oracle.dbtools.crest.model.design.DesignSet.createElement(DesignSet.java:56)
at oracle.dbtools.crest.swingui.ApplicationView.addDesign(ApplicationView.java:2497)
to oracle.dbtools.crest.swingui.ApplicationView. < init > (ApplicationView.java:435)
to oracle.dbtools.crest.swingui.ApplicationView. < init > (ApplicationView.java:389)
at oracle.dbtools.crest.swingui.ApplicationView.getInstance(ApplicationView.java:2258)
at oracle.dbtools.crest.fcp.DataModelerAddin.initialize(DataModelerAddin.java:553)
at oracle.ideimpl.extension.AddinManagerImpl.initializeAddin(AddinManagerImpl.java:496)
at oracle.ideimpl.extension.AddinManagerImpl.initializeAddin(AddinManagerImpl.java:483)
at oracle.ideimpl.extension.AddinManagerImpl.initializeAddins(AddinManagerImpl.java:299)
at oracle.ideimpl.extension.AddinManagerImpl.initProductAndUserAddins(AddinManagerImpl.java:160)
at oracle.ideimpl.extension.AddinManagerImpl.initProductAndUserAddins(AddinManagerImpl.java:143)
at oracle.ide.IdeCore.initProductAndUserAddinsAndActionRegistry(IdeCore.java:2294)
at oracle.ide.IdeCore.startupImpl(IdeCore.java:1817)
at oracle.ide.Ide.startup(Ide.java:772)
at oracle.ide.osgi.Activator.start(Activator.java:209)
to org.eclipse.osgi.framework.internal.core.BundleContextImpl$ 1.run(BundleContextImpl.java:711)
at java.security.AccessController.doPrivileged (Native Method)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:702)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:683)
at org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:381)
at org.eclipse.osgi.framework.internal.core.AbstractBundle.resume(AbstractBundle.java:390)
at org.eclipse.osgi.framework.internal.core.Framework.resumeBundle(Framework.java:1176)
at org.eclipse.osgi.framework.internal.core.StartLevelManager.resumeBundles(StartLevelManager.java:559)
at org.eclipse.osgi.framework.internal.core.StartLevelManager.resumeBundles(StartLevelManager.java:544)
at org.eclipse.osgi.framework.internal.core.StartLevelManager.incFWSL(StartLevelManager.java:457)
at org.eclipse.osgi.framework.internal.core.StartLevelManager.doSetStartLevel(StartLevelManager.java:243)
at org.eclipse.osgi.framework.internal.core.EquinoxLauncher.internalStart(EquinoxLauncher.java:271)
at org.eclipse.osgi.framework.internal.core.EquinoxLauncher.start(EquinoxLauncher.java:241)
at org.eclipse.osgi.launch.Equinox.start(Equinox.java:258)
at org.netbeans.core.netigso.Netigso.start(Netigso.java:191)
at org.netbeans.NetigsoHandle.startFramework(NetigsoHandle.java:209)
at org.netbeans.ModuleManager.enable(ModuleManager.java:1352)
at org.netbeans.ModuleManager.enable(ModuleManager.java:1156)
at org.netbeans.core.startup.ModuleList.installNew (ModuleList.java:340)
at org.netbeans.core.startup.ModuleList.trigger (ModuleList.java:276)
at org.netbeans.core.startup.ModuleSystem.restore (ModuleSystem.java:301)
at org.netbeans.core.startup.Main.getModuleSystem (Main.java:181)
at org.netbeans.core.startup.Main.getModuleSystem (Main.java:150)
at org.netbeans.core.startup.Main.start (Main.java:307)
at org.netbeans.core.startup.TopThreadGroup.run(TopThreadGroup.java:123)
at java.lang.Thread.run(Thread.java:745)
Hi Torsten,
Thanks for reporting the problem. I logged a bug.
You can view together as "list of system types" directory to "preference > Data Modeler"-probably no longer exists. I guess that the setting for this directory is empty when you start SQL Dev as a different user.
Philippe
-
EA3: Problems of data Modeller
If I open a data model produced under SQL Developer 3.2.2 SQL Developer 4 EA3 logic model has the attributes column PK shows however that they are not referred to as a PK and FK all attributes are missing.
Thanks for reporting this. We recently became aware of this problem, which occurs when the opening of the models in EA3 created using SQL Developer version 3 or version 3 Data Modeler.
This should be corrected in the next version.
When it is available, we recommend that you use the original definition of version 3 of your model, rather than any version may have registered with EA3.
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