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May 06, 2014
By Rich Helton
•Salesforce is originally a Customer Relationship
Management (CRM) software.
•CRM is originally software for managing customer
interaction, such as scheduling tasks, emailing,
texting, and many more tasks.
•Salesforce grew into a cloud software solution and
acquired several other companies for Paas and
lFor Google Apps,there is the Google App
lFor Microsoft, there is Microsft
lFor Amazon, there is Amazon Elastic Compute
Platform as a Service
Platform as a service (PaaS) is a category of cloud
computing services that provides a computing
platform and a solution stack as a service. The
provider provides the networks, servers, storage,
and other services that are required to host the
Software as a Service
Software as a service (SaaS) is a software
distribution model in which applications are hosted
by a vendor or service provider and made available
to customers over a network, typically the Internet.
Has a pay as you go subscription model
lForce.com is a cloud computing platform as a
service system from Salesforce.com,that
developers use to build multitenant applications
hosted on their servers as a service.
lSalesforce.com is the Sales Cloud for ready-to-use
products for CRM.
lForce.com does not expose the underlying
Multi-tenancy refers to a principle in software
architecture where a single instance of the
software runs on a server, serving multiple client-
organizations (tenants). Multitenancy contrasts
with multi-instance architectures where separate
software instances (or hardware systems) operate
on behalf of different client organizations.
Chatter is a brand-new way to collaborate at work.
Because status information about people and
important projects is automatically pushed to you,
Chatter makes it easy to connect with the people
and information you care about most.
Salesforce is also 3-tier, but many of the internals are
handled through abstraction. There are:
1) Out-of-box interfaces, which include security,
dashboards, workflow, and user interfaces. Coding is
2) VisualForce is an editor for customization of User
Interfaces if not out-of-box.
3) Apex, using the developer console, is for writing code to
the Salesforce API, for example a SOAP or batch
application for importing custom data.
Visualforce is a framework that allows developers
to build sophisticated, custom user interfaces that
can be hosted natively on the Force.com platform.
The Visualforce framework includes a tag-based
markup language, similar to HTML, and a set of
server-side “standard controllers” that make basic
database operations, such as queries and saves,
very simple to perform.
The Model-View-Controller is the most common
design in Software Architecture.
Apex is a strongly typed, object-oriented
programming language that allows developers to
execute flow and transaction control statements on
the Force.com platform server in conjunction with
calls to the Force.com API. Using syntax that looks
like Java and acts like database stored procedures,
Apex enables developers to add business logic.
Launched in 2005, AppExchange is a marketplace
for cloud computing Web application built for the
Some modules are free and some require a license
Examples of modules are Google Mail and Android
l32 guides that you shouldn't miss →
l4,000 page “How to be Successful with Salesforce”
lDifferent workbooks →