About inserting with one to many relationship
db and dev 10g rel2 ,
hi all ,
using emp and dept tables of scott/tiger schema .
if i have a form , how can i insert 4 new employees in a specific dept ? what blocks should i build , and how can the user inserts into these blocks ?
thanks in advance
the user should write "20" in the deptno field once , and write the 4 new employees' data .To do this, you create a relationship between the blocks with the Dept block to be the Master and the Emp block to be the detail block. Your Form layout would look something like the following:
|---------------------------------------|
| [ ] Department Number |
|---------------------------------------|
| Employee data... |
| [ ] Emp ID |
| [ ] First Name |
| ...rest of the columns listed here... |
|---------------------------------------|Once you have created the relationship, Forms will handle the rest. Just run your form, select department 20 and start adding new employees.
Craig...
Similar Messages
-
Insert with one-to-many mapping
Hi,
I've got the following situation:
- an object A with a vector of object B
- I defined a one-to-many relation in the descriptor of A referencing a collection of B using indirection through valueHolderInterface, the "private owned" is also checked
- I defined a one-to-one relation in the descriptor of B referencing the object A using indirection through valueHolderInterface
- the bidirectional relationship is maintained.
I try to insert a new object A with a new object B inside. The code is as follows:
A = new A();
B = new B();
// ... set the A attribute values
// ... set the B attribute values
A.addB(B);
UnitOfWork uow = session.acquireUnitOfWork();
uow.registerNewObject(A);
uow.commit();
where addB(b) is as follows:
((java.util.Vector)bvector.getValue()).add(b);
b.setA(this);
Executing this code, the object A is inserted in the database but the object B is not. And I would like that the object B is also stored in the database. Do I really have to register it? I want to make the insert in just one transaction. Have anyone an idea? I tried a lot of different configurations and just one SQL insert order is generated by Toplink.
Thanks,
FrédéricHi Don,
This is with reference to your comments on the following oracel forum query "http://forums.oracle.com/forums/thread.jspa?messageID=508819��" regarding 1:M mapping insertion problem.(Same one)
Actually I also have the same kind of scenario but the data in not getting inserted to the detail table. It always gives ORA-1400 error as it is unable to populate the foreign key of parent in child table.
Can you suggest if I am missing something.
Your quick response will be appreciated.
Message was edited by:
user466708 -
SSAS 2008 snowflake - dimensions with one-to-many relationship (NOT fact table) and hierarchy?
Hi, below is my data model for SSAS 2008 on snowflake schema.
Below is SQL Server DW tables:
DimStudent - StudentID [primarykey], StudentName, DateOfBirth, AddressID
DimStudentAddresses - AddressID [primarykey], StudentID [foreignkey], ddressLine1, AddressLine2, AddressType
FactEnrolment - StudentID, EnrolWeek, EnrolFees
So here FactEnrolement.StudentID is joined to DimStudent.StudentID column,
and relationship between DimStudent & DimeStudentAddresses is one to many I.e. one student can have multiple addresses like primary or secondry address.
To design snowflake schema in SSAS 2008 BIDS project :
[Question-1] how to join one-to-many dimensions (NOT fact table) Like DimStudent & DimAddresses?
[Question-2] At the end I want to have a single dimension only I.e. Student which should have both DimStudent & DimStudentAddresses tables attributes init. So I can create hierarchy from these two table into a single dimension? How
to do this?
Please reply with feedback particular to my above scenario as I refereed other MSDN forums but nothing solid I found.
Any STEP-BY-STEP guideline please. Many thanks.Hello KM,
Have you solved this issue after refer to Bill's suggestion? Please let us know how things go.
If you have any feedback on our support, please click
here.
Best Regards,
Elvis Long
TechNet Community Support -
Confused with one to many relationship
Hi Masters ,
Reading about one to many : i came across this
Each row in Table A can have many (zero or more)
matching rows in Table B but each row in Table B
has only one matching row in Table A.
A ZipCode can have many Students but each Student has only
one ZipCode
Theoritically this would be fine but can anyone please make tables for the above so i want to see it pratical work.zip
(zipcode varchar2(6)
, low_street_number varchar2(10)
, high_street_number varchar2(10)
, odd_even char(1)
, city varchar2(30)
, constraint zip_pk primary key (zipcode)
student
(studentno number(10)
, firstname varchar2(30)
, lastname varchar2(30)
, zipcode varchar2(6)
, constraint zip_fk foreign key(zipcode) references zip_pk
Sybrand Bakker
Senior Oracle DBA -
Formatting Issue - datatables with one to many relationship
Hi...
I am a newbie and I have designed a report in CR2008 and my datasource for the report is an XSD file. There are 2 tables Table A and B.
Table A is as follows:
AID Name Reference Period Manager
5 Name 1 Ref 1 July 2009 User Name 1
8 Name 2 Ref 2 August 2009 User Name 2
9 Name 3 Ref 3 March 2009 User Name 9
45 Name 4 Ref 4 May 2008 User Name 4
88 Name 5 Ref 5 June 2009 User Name 1
There are other coloumns too in the datatable, but that shouldnt matter.
Table B is as follows:
ID A_ID DateKey DateValue Name
1 5 Date1 2009-09-29 00:00:00.000 Start Date
2 5 Date2 2009-08-11 00:00:00.000 Fieldwork Complete
3 5 Date3 2009-08-14 00:00:00.000 Report Issued
4 5 Date4 2009-07-17 00:00:00.000 Report Finalised
5 5 Date5 2009-07-10 00:00:00.000 Close Date
6 8 Date1 2009-08-11 00:00:00.000 Start Date
7 8 Date4 2009-09-29 00:00:00.000 Report Finalised
I want the report to be in the following format:
ID Name Reference Period Manager StartDate Fieldwork ReportIssue Finalised Closed
I have written a formula to display the date value where the date key matches for A_ID.
But when I run the report I get the result as follows:
ID Name Reference Period Manager StartDate Fieldwork ReportIssue Finalised Closed
5 Name1 Ref1 July 2009 UName 1 29/09/2009
11/08/2009 14/08/2009 17/07/2009 10/07/2009Hi
I tried what you suggested, but it hasnt worked.
In your code, you have used the date ID,
if {b.id} = 1 then
formula = {b.datevalue}
end if
but the table contains dates from several A_IDs, and I want to get the dates for the respective A_ID, So shouldnt I be matching the A_ID's first? I also dont understand how the max function helps here?
My report is already grouped by Table A, ID.
My report should be a join of the two tables, a left outer join to be exact.
Also, if my XML data contains only one record for Table A, dates still come out in a separate line. I dont quite understand where the problem is?
Thank you... -
One-to-many relationships problem
Hi,
I'm having some problems with one-to-many relationships.
I've a two way relationship beetwen Person and Document.
Person has a collection of Documents (1-n).
Document has an instance for Person.
In my database schema Document has a FK for person.
The problem occurs when I'm trying to save the Person object
with a collection of Documents.
Oracle gives me the following message:
ORA-00001: unique constraint (SMS.PK_PERSON) violated
In my kodo.properties file I put:
kodo.jdbc.ForeignKeyConstraints: true
It seems that when the collection of Documents is persisted, kodo tries to
save a new Person object for each Document.
When I have just one instance of Document in my collection kodo persists
it ok, but when I have move instances I get
that problem.
Can somebody help me?
Thanks in advance,
Joan CaffeeYou need to make sure each Document references the same Person object in
the JVM. JDO persists your object model as-is. Each distinct JVM
object becomes a distinct database record. You can't have multiple JVM
objects in the same PersistenceManager representing the same database
record. -
One-to-many relationship: problem with several tables on the one side...
Hello
I'm having problems developing a database for a content management system. Apart from details, I've got one main table, that holds the tree structure of the content ("resources") and several other tables that contain data of a particular datatype ("documents", "images", etc.). Now, there's one-to-many relationship between "resources" table and all the datatype tables - that is, in the "resources" table there's "resource_id" column, being a foreign key referenced to the "id" columns in the datatype tables.
The problem is that this design is deficient. I can't tell form the "resource_id" column from which datatype table to get the data. It seems to me that one-to-many relationship only works with two tables. If the data on the one side of the relationship is contained in several tables, problems arise.
Anybody knows a solution? I would be obliged.
Regards
HavocadoHi;
A simple way may be create a view on referenced tables:
Connected to Oracle Database 10g Express Edition Release 10.2.0.1.0
Connected as hr
SQL>
SQL> drop table resources;
Table dropped
SQL> create table resources(id number, name varchar2(12));
Table created
SQL> insert into resources values(1,'Doc....');
1 row inserted
SQL> insert into resources values(2,'Img....');
1 row inserted
SQL> drop table documents;
Table dropped
SQL> create table documents(id number, resource_id number,type varchar2(12));
Table created
SQL> insert into documents values(1,1,'txt');
1 row inserted
SQL> drop table images;
Table dropped
SQL> create table images(id number, resource_id number,path varchar2(24));
Table created
SQL> insert into images values(1,2,'/data01/images/img01.jpg');
1 row inserted
SQL> create or replace view vw_resource_ref as
2 select id, resource_id, type, null as path from documents
3 union
4 select id, resource_id, null as type, path from images;
View created
SQL> select * from resources r inner join vw_resource_ref rv on r.id = rv.resource_id;
ID NAME ID RESOURCE_ID TYPE PATH
1 Doc.... 1 1 txt
2 Img.... 1 2 /data01/images/img01.jpg
SQL> Regards.... -
How to insert data in a one-to-many relationship
How do you insert data into the client, my model entity beans have a one-to-many relationship.
PARENT ENTITY BEAN
PARENT-ID
PARENT-NAME
The ejbCreate(Integer parentID,String name)
CHILD ENTITY BEAN
CHILD-ID
CHILD-NAME
PARENT-ID(foreign key of PARENTID).
ejbCreate(Integer parentID,String name,String foreignparentID)
In a jsp page i collect the parent details and 3 corresponding chld details in a text box.
Can you please tell me how do i proceed from here...
ie. how to i insert data into the entity beans..
Do i pass the child as a collection, and within parents ejbCreate() method do i lookup for the childs home interface and insert one -by -one from the collection.
1. Considering the above example, can some one pls tell how the ejbCreate() mehod signatures, for the parent and child entity beans should be.
2. Pls also show some sample client code as to how to make an insertion.
3. In case you are passing a collection of child data, then in what format does one have to insert into a collection and also how does the container know how to insert the values in the child table , bcoz we are passing as a collection.
4.In case collections cannot be inserted do we need to iterate into the collection in parent's ejbCreate() method, and manually insert into the database of the childtable, thereby creating child entity beans.
Thanks for your time and support...
regards
kartikHi,
3. In this case of course child's ejbCreate(and postCreate) looks like
ejbCreate(Integer childID,String name,ParentLocal parent) {
setId(Id);
setName(name);
ejbPostCreate(Integer childID,String name,ParentLocal parent) {
setParent(parent);
Here you don't need IDs, but it happens only using Locals, not Remotes, if I'm not wrong. Container does it itself.
1. Of course, if you have parent.getChildren() and parent.setChildren() then you don't need any loops, but it should be done anyway in postCreate, because in ejbCreate there no parent exists yet.
Once more 3: example - I'm using JBoss 3.2.5 as EJB container. It has tomcat inside and EJB and JSP+Struts use the same jvm. It means for me that I don't need to use remote interfaces, just locals. And in this case I can implement ejb-relations. So, a have the abstract method parent.getChildren() which returns Collection of ChildLocal - s and method parent.setChildren(Collection childrenLocals) which creates/modifies children by itself.
I have not used remotes for a long time, but as I remember it was not possible to implement ejb-relations using remotes.
regards,
Gio -
Struggling with a one to many relationship in a sub-report
Post Author: Scott_tansley
CA Forum: General
I have a database schema as per below: tblENQUIRY tblDatasheets tblReportParasIRSID (PK) 1 --> & IRSID (FK) UID (PK)Attribute1 SHEETID (PK) 1 > & SHEETID (FK)Attribute2 Attribute1 LIST_ORDER tblStandardParasAttribute3 Attribute2 PARA_CODE (FK) & < 1 CODE (PK)etc... Attribute3 TEXT etc...
The PROBLEM I am a Crystal Reports Newbie, and having to work through things bit by bitu2026 I've managed to achieve quite a lot, but I'm totally stuck with this and would appreciate some help. I need to create a report (essentially a letter and some datasheets) around a one-to-many relationship, which I have managed to compile using a main report (for the one [tblENQUIRY]) and sub report (for the many [tblDatasheets]). Essentially I need a covering letter, then the u2018manyu2019 datasheets, and then a number of other pages (which are largely static text). I have created a main report which includes the covering letter, holds a subreport for the datasheets, and then contains the text for the additional pages. This all works fine, and I get the correct number of datasheets for each main report. My problem stems from the use of this sub report. This sub-report needs to hold some attribute values for each datasheet, which is fine. However, on each datasheet page I need to have some paragraphs, which are held in another one to many relationship. Each datasheet may have up to six paragraphs held as a code in tblReportParas, with a relationship to the text as held in tblStandardParas. My original thought would have been to embed another sub report, containing the values from tblStandardParas!TEXT, into the first sub report. However, I have found that it is not possible to have a sub-report inside another sub-report. I had seperated the first sub-report out from the main report, and then embedded another sub-report into it. This worked fine until I tried to stitch the sub-report back into the main report (at which point the sub-sub-report dissapeared from view). I have therefore reworked my sub-report a little, and the attribution is now stored in a pageheader, with the tblStandardParas!TEXT in a detail section below it. This almost works! The only problem is that there is no relationship between the pageheader and detail sections. To clarify, I would expect to have one datasheet, with the attribution at the top, and then the six paras below. Then, the same on the next page (assuming there is a second datasheet) for that report. Instead, I get the correct attribution, but the detail section actually gives every paragraph in the database, no matter which datasheet/or report it related to! I therefore need to limit the detail section to only show those paragraphs where the SHEETID in tblReportParas is the same as the tblDatasheets SHEETID. Any offers of advice would be appreciated.Post Author: Scott_tansley
CA Forum: General
I managed to resolve this myself in the end. I moves the tblEnquiry data into report header/footer sections, this allowed me to add the tblDatasheets information into the details section, which gave me multiple pages - and then finally, the Paragraphs were added through the use of a sub report.
There's probably an even better way, but for now it works, it's quick - and so I'm going to go with it!
Thanks for your interest. -
One to many relationship leads to recursion?
Hi,
I've created a web services function which returns an object retrieved from a database using the persistence api (the class was generated by the Netbeans 5.5 "Entity Class from Database" feature.
I can successfully return an object which has no foreign keys. However, when I try to retrieve an entity which is on either side of a 1:N relationship, I receive a stackOverflowError.
Here's my sample schema (I'm using Derby bundled with SJAS 9 for testing)
create table Address (
Id int not null,
StreetName varchar(255),
City varchar(255),
PostalCode varchar(255),
Party int,
primary key (Id)
create table Party (
Id int,
Name varchar(255),
primary key(Id)
alter table Address add constraint foreign key (Party) references Party;So as you can see, one Party might have many addresses.
I can retrieve either an Address or Party from the database using something like:
em.createNamedQuery("Party.findById")
.setParameter("id", 1)
.getSingleResult();When I try to return it, I get a stackOverflowError in the server log. I'm using the default Toplink provider so enabling full logging on this, I can see the SQL.
When retrieving an address, it selects all of the address fields and correctly binds the supplied Id value. It then performs a select on the Party table using the Address.Party value. This in turn causes it to attempt to retrieve an Address. After three queries, the error is thrown.
I can't see why the above schema should cause this problem. Where an Address is requested, I would expect it to retrieve the address fields, including the value of the Party field but not the Party object itself. On the other hand. when a Party is retrieved, I would expect it to recurse through and return a collection of Address objects.
Have I misunderstood this or am I missing some fundamental point about JAX-WS?
Thanks for your help,
-PhilYou have to set both sides of the relations...
for example to do this in a more seamless manner:
public UserProfile
public void addLog (UserActivityLog activity)
logs.add (activity);
if (!equals (activity.getUserProfile ()))
activity.setUserProfile (this);
Now this is the most primitive of ways to maintain two sided relations.
There are a lot of other patterns to get around this.
If you want to set the UserActivityLog to a specific UserProfile without
having a firm reference to ther UserProfile, you should get the object
from the database/persistenceManager... as you are using application
identity, you can do something like pm.getObjectById.
JDO does not do magic references. If you set something to null, it will
remain null until you set it.
Srini wrote:
Hi Guys
I am trying to create a one to many relationship between 2 JDOs.
UserProfile - User JDO having user info
UserActivityLog - JDO having user log info
UserProfile -- UserActivityLog
1 many
UserProfile - has a collection of UserActivityLog objects
UserActivityLog - has a reference to UserProfile
Qn 1:
I created a UserProfile along with a collection of 2 UserActivityLog
objects.
Navigation:
Now given a UserProfile object,i am able to get the UserActivityLog objects.
But given a UserActivityLog object ,i get a NULL UserProfile object.
Issues:
Why this is happening???Do i need to set the reference for "UserProfile" in
UserActivityLog before inserting???
If so,then how do i add a UserActivityLog to an existing
UserProfile???cos,if i create a UserActivityLog with reference to
UserProfile ,then it will throw a Duplicate Key violation for UserProfile as
it is already persisted in DB.
It will be great if you can direct me to some one to many relationship
examples already implemented.
Thanks
Srini
Stephen Kim
[email protected]
SolarMetric, Inc.
http://www.solarmetric.com -
Persisting an instance of the many side of a in one to many relationship
It seems as if most books only tell you how to setup the relationship for a one to many relationship but seems to fail to tell you the appropriate way to persist in this relationship. So, I have a parent class with many child classes. Also, I am using services and so I am converting from Entities to Dtos and visa versa.
First, i want to insert a new child for the parent. Do I just convert the child Dto to a child entity and then persist the child entity with the reference to the parent? Then do I find the parent and add the child to the parents children so the entities are consistent?
Or do I do a find on the parent and add the child to the parents children list and the child. Will the child be persisted automatically?
With this said, what about updating a child? Do I remove the existing child and add a new one? or do I somehow find the child in the parents children set and update the info there and then somehow the child is persisted automatically? And since I am using Dto to entity, do I use a find to find the parent and then iterate through that parents children til I reach the child I modified by id somehow.
What about Many to Many relationships? With a middle join table? How does JPA know to remove a join if I change the child reference? Does it remove the old and insert the new? Or do I have to do it myself somehow. Which if the later then I really can not have a parent child Dto I really need a parent childlink table where the child is referenced by the linktable? The book I have been reading has not made this very clear.Hello,
The relationships cascade settings determine what should happen. I would not recommend persisting a new entity that references a non-managed entity. Instead either persist the child then make the associations or find the parent, make the associations then persist the child. In the second case, you do not need to explicietly persist the child if the parent->child relationship is marked cascade persist, since it will be found on flush or commit.
Since you are using DTOs, updates require you merge the changes. You can directly merge the child, and if it has a link to its parent, modify the parent to add the child on the managed child that gets returned.
As for ManyToMany, you must modify the side that controls the relationship. So if the parent owns it, then you must modify or merge the changes into the parent for the changes to be persisted to the database. If it is bi-directional, you must modify both sides so that the cache remains consistent with the database. This should be transparent to your application, and you only need an entity for the relation table if you want to map more complex information that doesn't fit into the JPA ManyToMany options. Otherwise, JPA should handle inserting and deleting enteries to the relation table for you.
Best Regards,
Chris -
Newbie: one to many relationship SQL error
Greetings all-
This is probably a slam dunk for you JDO experts. I'm a JDO newbie, working
with an existing schema in MySQL. I have a one to many relationship between
two tables:
Table "company":
Fields:
company_id: int(11) -- primary key
name : varchar(64)
division : varchar(64)
Table "company_products"
Fields:
company_id: int(11) -- foreign key to table company
product_name: varchar(64)
product_description: varchar(64)
So, I created the corresponding classes:
public class Company {
private int companyID;
private String company_name;
private String division;
// Array of CompanyProduct
private ArrayList companyProducts;
// .. methods omitted
public class CompanyProduct {
private int companyID;
private String productName;
private String productDesc;
// Methods omitted
Then I created the "package.jdo" file:
<?xml version="1.0"?>
<jdo>
<package name="com.packexpo.db">
<class name="Company">
<extension vendor-name="tt" key="table" value="company"/>
<extension vendor-name="tt" key="pk-column" value="company_id"/>
<extension vendor-name="tt" key="lock-column" value="none"/>
<extension vendor-name="tt" key="class-column" value="none"/>
<field name="companyID">
<extension vendor-name="tt" key="data-column" value="company_id"/>
</field>
<field name="name">
<extension vendor-name="tt" key="data-column" value="name"/>
<extension vendor-name="tt" key="column-length" value="64"/>
</field>
<field name="division">
<extension vendor-name="tt" key="data-column" value="division"/>
<extension vendor-name="tt" key="column-length" value="64"/>
</field>
<field name="companyProducts">
<collection element-type="com.packexpo.db.CompanyProduct"/>
<extension vendor-name="tt" key="inverse" value="companyID"/>
</field>
</class>
<class name="CompanyProduct">
<extension vendor-name="tt" key="table" value="company_product"/>
<extension vendor-name="tt" key="pk-column" value="company_id"/>
<extension vendor-name="tt" key="lock-column" value="none"/>
<extension vendor-name="tt" key="class-column" value="none"/>
<field name="companyID">
<extension vendor-name="tt" key="data-column" value="company_id"/>
</field>
<field name="productName">
<extension vendor-name="tt" key="data-column" value="product_name"/>
<extension vendor-name="tt" key="column-length" value="64"/>
</field>
<field name="productDesc">
<extension vendor-name="tt" key="data-column"
value="product_description"/>
<extension vendor-name="tt" key="column-length" value="64"/>
</field>
</class>
</package>
</jdo>
Enhancement works fine. I successfully query and retrive Company objects
from the database, but as soon as I try to get the list of CompanyProducts,
I get an SQL Error:
javax.jdo.JDODataStoreException: [SQL=SELECT company.COMPANYPRODUCTSX FROM
company WHERE company.company_id = 82061]
E0610 Error in executeQuery()
E0606 executeQuery() error --
E0701 Error in getResult().
E0708 Command results in error - 1054 Unknown column
'company.COMPANYPRODUCTSX' in 'field list'
NestedThrowables:
com.solarmetric.kodo.impl.jdbc.sql.SQLExceptionWrapper: [SQL=SELECT
company.COMPANYPRODUCTSX FROM company WHERE company.company_id = 82061]
E0610 Error in executeQuery()
E0606 executeQuery() error --
E0701 Error in getResult().
E0708 Command results in error - 1054 Unknown column
'company.COMPANYPRODUCTSX' in 'field list'
I know i have probably set up the package.jdo file incorrectly, but I'm at a
loss for what I did wrong.
Any suggestions?
Thanks!
-MikeHi,
915766 wrote:
I need to write sql for below requirement:
table structure is
serial no LPN
1 4
2 4
3 6
4 6
5 6
6 3
7 3
8 3
9 1
I have to pick distinct 'LPN' like below:That sounds like a job for "GROUP BY lpn".
(any serial no can be picked for the distinct LPN)It looks like you're displaying the lowest serial_no for each lpn. That's easy to do, using the aggregate MIN function.
results needs to be as below:
serial no LPN
1 4
3 6
6 3
9 1
Please suggest with sql.Here's one way:
SELECT MIN (serial_no) AS serial_no
, lpn
FROM table_x
GROUP BY lpn
ORDER BY lpn -- if wanted
I hope this answers your question.
If not, post a little sample data (CREATE TABLE and INSERT statements, relevant columns only), and also post the results you want from that data.
Explain, using specific examples, how you get those results from that data.
Always say which version of Oracle you're using (e.g., 11.2.0.2.0).
See the forum FAQ {message:id=9360002} -
Post Author: Don
CA Forum: Formula
Hello Everyone,
I need some assistance. I have a one to many relationship...
Example...
TABLE 1
FieldName = RecordID
DATA, RecordID= 10
TABLE 2, linked one to many to RecordID in TABLE1
FieldNames = RecordID, Name, ContactType
DATA, RecordID= 10, Name= Tom, ContactType= Sales
DATA, RecordID= 10, Name= Dan, ContactType= Service
DATA, RecordID=10, Name= Jon, ContactType= Sales
What I am looking for is to create a formula that would return something that looks like this....
Sales Contact Name
Tom, Jon
So... I want to grab all the "Contact Types" of "Sales" from TABLE 2 then pass in the "Name" field from TABLE 2 and if there is more then one "Name" of the sames "Contact Type" then comma seperate it.
And... I don't want to do this in a sub report. I do know I can make a sub report and return both values but to my knowledge the values would be on top of one another and not beside each other comma separated.
Ideas?Post Author: Don
CA Forum: Formula
That may work using a subreport...
I think the root of this my problem is the fact I have a table relationship, left outer... one to many join. So even if I drop your suggested formula in my report I still get repeating record details with blank names where all the other contact types would be.
Ticket Number Contact Name Contact Type
111111 Dan, Jim Sales
111111 <---- where the other contact type appear
111111 <---- where the other contact type appear
I was trying to avoid having to create several subreports for each data field I need on the report. However, I think I can use your formula in a subreport to allow the data to display in a comma separated row rather then a vertical list.
I thought about suppressing but that won't work because I have other contact types I need to list.
Thank you for responding. -
ONE-to-MANY relationship between tables and forms in APEX
I recently started using APEX and I have run into an issue.
I have a ONE-TO-MANY relationship between two tables, A1 and A2, respectively.
A1:
A1_ID
Item
A2:
A2_ID
SubItem
A1_ID
I have 2 forms (lets call it F1 and F2) that I use to capture data for A1 and A2.
On F2, I have the following fields that are setup to capture data:
A2.A1_ID
**A1.Item (this is a drop down that is populated using a SELECT statement where the select uses A1.Item field)
A2.SubItem (user would enter SubItem)
Note: A2.A2_ID is populated using a SEQ
Everytime I pick **A1.Item on F2, is there a way to link to A1 table and display A1.A1_ID for every **A1.Item selected on F2?
If so, I want to store the value captured in F2 for the A1_ID field into A2 table to maintain my 1-to-MANY relationship.
If this will work, how do I go about implementing this solution?
Can someone help me?I think it sounds like you are asking for a Master-Detail form. Try that and see what you get.
chris. -
Urgent : java bean having bidirectional one to many relationship
Hi,
We have complex requirement in our application.
We need to copy java bean having bidirectional one to many relationship to another javabean having bidirectional one to many relationship..
E.g
Class Basket1 {
public String color;
pubic String type;
public List<Basket1> basketList = new ArrayList()
Class Basket2 {
public String color;
pubic String type;
public List<Basket2> basketList = new ArrayList()
We need to exact copy Basket1 to Basket2. We are in trouble to copy List of child because we do not have how many child Basket1 have of same type..
Can someone help us how we can implement such kind of complex object bidirectional one to many relationship??I can't see anything bidirectional about these relationships. What I can see is a couple of BasketN classes that look identical so I don't know why they both exist, and they both contain lists of themselves as members, which suggests some kind of tree structure. Nothing bidirectional there. I can see tat these things can form circular object graphs but I don't see why you would want to do that.
We need to exact copy Basket1 to Basket2And I don't know what that means. Please explain.
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