Salesforce.com Certified Administrator

Custom Objects, Applications, & Tabs
Describe a Custom Object
A custom object is one that is not initially packaged with the application. If it isn’t a standard object, it must be a custom object. An example of a custom object could be a Payroll object created for a custom payroll application. Accounts, Contacts, Opportunities, and so on are all standard objects.
Describe the types of relationships that can exist between objects
A custom object is one that is not initially packaged with the application. If it isn’t a standard object, it must be a custom object. An example of a custom object could be a Payroll object created for a custom payroll application. Accounts, Contacts, Opportunities, and so on are all standard objects.




One to Many

There are 3 types of relationships that can be created in Salesforce.com – master-detail, lookup, and hierarchical. Each of these relationships is a one to many relationship.

Many to Many

Many to many relationships are established by creating a linking object. The linking object must have a relationship to each of the objects it is linking together. For instance,

In a custom application, two custom objects “Job Posting” and “Applicant” require a many to many relationship. To do this, create an object “Job Posting Applicant Link” (the name is not important), and create lookup (or master-detail) relationships on this object to both "Job Posting” and “Applicant”. If master-detail relationships are used, when either a “Job Posting” or an “Applicant” is deleted, all related "Job Posting Applicant Link” records are deleted.

The related lists on Applicant and Job Posting can be configured to displayed the corresponding information from each object through the linking object.



The only way to create a seamless (no visible linking object to the end user) many to many relationship is to use custom code. Please vote to include this functionality: Pure many-to-many relationships.

See “Creating a Many-to-Many Relationship” for more details.

Relationship types

Master-Detail

The owner of master record automatically owns all associated detail records.
Security controls for the master record control the detail record.
A detail record must be linked to a master record in order to save the record (e.g. you must link an opportunity to account to save the opportunity).
Only one level deep – a detail object cannot also be a master object. Please vote to remove this limitation: Multiple Master-Detail relationships.
A detail record can have two different master records (two master-detail relationships must be created).
This feature was released in Summer 08 to give greater flexibility when creating many to many relationships as described above. Prior to then, only one master-detail record could be present per object, meaning that record deletions for object “Job Posting to Applicant Link” could only be triggered by a “Job Posting” deletion or an “Applicant” deletion; not either.
Lookup Relationship

One to Many relationship links one record to another record.
Can link standard to custom objects and vice versa, or link to the same object type (parent account, for instance).
Hierarchical

A lookup relationship on the user object to the user object (for instance the standard field “Manager”).
Record cannot point to itself (I cannot be my own manager).
See “Overview of Relationships” for more details.




Create –> Objects

Options:

Label
Plural Label
Object Name
Used for API calls
Description
Context-Sensitive Help Setting
Record Name
Appears on related lists, e.g. “Account Name” instead of “Account”
Data Type
Either text or auto-number.
Allow Reports
Allow Activities
Track Field History
Enables the option to track fields- you still need to add the fields to be tracked and add the related list to the page layout.
In Development / Deployed
If listed In Development, only users with the “Customize Application” permission will be able to see it.

**diagram between job posting – junction object – application. the many (triangle) should be in the junction object (job posting to applicant link).
**The diagram for the many-to-many relationship should be other way
**For the recruiting application on Fundamentals,

Candidate connect to Job Application by master-detail,
Job Application connect to Review by master-detail
**Yes multi-level master-detail relationships are possible You can have two master-detail relationships on a single object (e.g.a junction object) or multiple levels (e.g. product <- subproduct <- category product).
Create a Custom Object
Create –> Objects

Options:

Label
Plural Label
Object Name
Used for API calls
Description
Context-Sensitive Help Setting
Record Name
Appears on related lists, e.g. “Account Name” instead of “Account”
Data Type
Either text or auto-number.
Allow Reports
Allow Activities
Track Field History
Enables the option to track fields- you still need to add the fields to be tracked and add the related list to the page layout.
In Development / Deployed
If listed In Development, only users with the “Customize Application” permission will be able to see it.
Describe a Custom Object Tab and a Web Tab
Custom Object Tab

A custom object tab provides a tab to access a custom object. Creating a custom object tab will do the following:

Enable search results for the custom object.
Enable the object as an option in the “Create New…” menu in the sidebar.
Set the icon that represents the object.
Set the color scheme for the page layout of the icon.

If a custom object does not have an associated tab, it is only possible to access the object (from the UI) through reporting (if enabled) or through related lists where applicable. Assets is a standard object example of this situation.

Group+ Edition



Web Tab

Web tabs can be used link in external content from websites other than Salesforce via an S-Control or URL. Here is an example of a web tab set to http://www.google.com:
Create a Custom Object Tab
Create –> Tabs

Only one tab per object is possible.
Enabling a splash page for the object will let you configure an introductory page (similar to introductory pages in setup; for instance, email to case setup), and will give the user the following option:

Create a Web Tab
Create –> Tabs

There are a few more options for web tabs:

Choose width
Full page width – removes left sidebar
2 columns with Salesforce sidebar
S-Control or URL
Content Frame Height
You can set the maximum height for the frame (this will create a scroll bar within the frame if the page is longer than the height)
Splash Page Selection
Describe a Custom App
An application determines which tabs are listed by default. A custom application is no different- you can choose from standard/custom objects and what tabs are displayed by default. A user can customize this list per application specific to their account.

Applicatio
ns have no impact on object, field-level, or tab security (if a tab is hidden on the user profile, it will never be visible).

Example:

Select my custom Projects application:



And get the custom image (Projects Home w/triangle) with just the Projects tab visible:
Create a Custom App
Create –> Apps

Custom Image
The image must be a document marked as an Externally Available Image to be selectable
Default Landing Page (Home or object)
Select tabs
Assign visibility to profiles
 

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