What Is ERP? How it works, ERP system modules and examples
By upGrad
Updated on Oct 14, 2026 | 6 min read | 1.44K+ views
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By upGrad
Updated on Oct 14, 2026 | 6 min read | 1.44K+ views
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ERP refers to software which assists businesses in managing their day-to-day activities in a single location. It links together various departments and ensures that their information is stored in a common system.
What is ERP full form?
ERP is the acronym for Enterprise Resource Planning; the name was first used in 1990, although the concept originated before that.
In the 1960s manufacturers applied Material Requirements Planning (MRP) as a means of managing materials and in the 1980s MRP II was developed to include finance and other business activities.
An ERP system consists of a number of software tools known as modules. Each module is responsible for carrying out a separate business function, for example accounting, HR, or purchasing.
The different modules all use the same database in order to share information.
Companies have the option of selecting the modules that they require, and they can run the ERP software on their own computers and servers, use it via the cloud, or choose to do both.
An ERP system achieves a connection between various business departments by means of a common database. As a result, the teams are able to share information and there is less need to enter the same details more than once.
If there is no ERP system in place, then the various departments might use individual tools to manage their work. By having an ERP system, the different tasks become connected and thus information can be passed between the teams.
For example, when a sales order is shipped:
An ERP system keeps the business's information in a single central database, allowing various departments to access the data they require.
This helps businesses:
Most of these tasks can be automated, which not only saves time but also cuts down on errors and makes it easier for businesses to manage their day-to-day work.
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ERP modules are tools used for carrying out various business tasks and businesses can select the ones that they need and add extra ones as they grow.
It looks after the company's financial records and aids in keeping track of its money.
Functions:
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The HR module enables businesses to manage information about their employees as well as their daily HR tasks.
Functions:
It assists businesses in keeping track of their stock and in managing the movement of goods.
Functions:
This helps businesses in managing sales and customer information.
Functions:
These modules help businesses manage production and buying.
Together, these tools help businesses get the materials they need and plan production more easily.
ERP systems make it easier for businesses to manage their day-to-day activities since they link together the various departments, cut down on the amount of manual work, and assist teams in reaching better decisions.
An ERP system enables various departments to use the same up-to-date information, which in turn helps the teams to cooperate and prevents the kind of confusion that results from having separate records.
For example:
ERP software carries out routine tasks and eliminates the need to enter the same information more than once; this not only saves time but also reduces the risk of errors when entering data.
It can help businesses:
By collecting business information in a single location, ERP systems make it easier to prepare reports and check on current performance, so that managers are able to see sales, stock levels, expenses, and cash flow without having to gather the data from various departments.
Such reports help businesses to detect problems early, find out what is working, and reach informed decisions.
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ERP systems assist businesses with planning their purchases, managing their stock, and aligning their resources with demand. They are able to prevent both ordering excessive quantities and running out of essential items by taking into account the current stock levels and the business's requirements.
Better planning can likewise reduce delays, keep costs under control, and assist teams in making more effective use of their time and resources.
Note: In order to obtain these advantages businesses must select an appropriate ERP system, carefully plan its setup and train their staff to use it correctly.
There are various kinds of ERP software available to meet the requirements of different businesses; some are built for small businesses whereas others are intended for large companies that have complicated operations. The appropriate choice will depend on the company's size, industry, budget, and its business needs.
Small businesses usually search for ERP software that is simple to set up and that is able to grow alongside them, with cloud-based systems being one such option since the businesses can access them over the internet.
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Manufacturing companies need ERP software in order to manage materials, production schedules, inventory, and the activities carried out on the shop floor. Such tools enable teams to keep track of production and handle their resources.
Many ERP providers provide systems for businesses which vary in size and across different industries. The following are some of the better-known examples and the purposes for which they are generally used.
| ERP software | Typically suited to | Known for |
| SAP | Mid-sized and large businesses; SAP Business One also serves smaller businesses | A broad range of business management tools, including finance and manufacturing |
| Oracle NetSuite | Small, mid-sized, and growing businesses | Cloud-based ERP with options for different industries |
| Microsoft Dynamics 365 | Businesses of different sizes, especially those using Microsoft tools | Integration with Microsoft applications and business management features |
| Infor | Mid-sized and large businesses, particularly manufacturers | ERP solutions designed for specific industries |
| Odoo | Small and mid-sized businesses | Modular software that businesses can customise to their needs |
Since different ERP systems have different features, companies should check the various tools, costs, and setup requirements before selecting one.
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Conclusion:
An ERP system allows businesses to carry out their operations using a single, integrated system rather than employing separate tools for each department; it cuts down on the need for repeated data entry, ensures that information remains organised, and makes it easier for teams to work together.
Before you select an ERP system, make sure you have identified the key problems your business needs to solve; begin with the modules that are most important to you and pick software that is suitable for your business size and industry.
Start by establishing clear data practices and providing proper training for your employees. This will enable your team to use the system effectively and allow them to obtain greater value from it.
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The cost of an ERP system depends on your business size, the features you need, and how the software is set up. You should also consider the cost of:
Compare the total cost over several years before choosing a system.
Start by identifying the main problems you want the ERP system to solve. Then compare different options based on their features, cost, ease of use, and support.
Before making a decision, check whether the software suits your industry, connects with your existing tools, and can support your business as it grows. Ask for a demo to see how it works.
ERP implementation involves setting up the software and preparing your business to use it. The main steps are:
Proper planning and testing help reduce delays and problems during the setup.
Data migration means moving business records from old systems into a new ERP system. These records may include customer details, supplier information, stock records, and financial data.
Before moving the data, check for duplicate entries and errors. Clean and accurate data helps the ERP system produce reliable reports and keeps business records organised.
Yes, an ERP system can be adjusted to meet a business's needs. There are two main ways to do this:
Customisation can make the system more suitable for your business, but it may increase costs and make future upgrades more difficult.
Yes, many ERP systems can connect with other business tools. These may include e-commerce websites, payment gateways, banking services, shipping tools, and reporting software.
These connections help different systems share information and reduce manual work. Before choosing an ERP, check whether it supports the tools your business already uses.
ERP data security depends on the software provider and how the system is managed. Common security measures include:
With cloud ERP, the provider manages much of the system's security. With on-premises ERP, your IT team has more control but is also responsible for managing security.
MRP stands for Material Requirements Planning. It helps manufacturers plan the materials and production schedules needed to make products.
ERP stands for Enterprise Resource Planning. It covers a wider range of business activities, including finance, HR, sales, inventory, and production planning. MRP can be part of a larger ERP system.
An industry-specific ERP is designed for the needs of a particular industry, such as manufacturing, retail, construction, or distribution. It includes features that support the common tasks and processes of that industry.
This can reduce the need for extra customisation. However, there may be fewer software options to choose from than with general-purpose ERP systems.
You can measure an ERP system's success by comparing business performance before and after its launch. Track important measures such as:
Review these measures over time to understand whether the ERP system is improving your business processes.
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