The ER diagram for registration and login reveals the relationships between the login and registration entity sets in a database. This displays the logical structure of databases. It is done by identifying entities, their properties, and the interactions between them.
The login and registration page database design is sketched out using ER diagrams. This database sketch will then be used as the bases or can be converted into the system’s actual database.
Login and Registration Page ER Diagram: Details
The table shows the detailed overview of the login and registration page ER diagram. It has a complete description of the project’s information and description.
| Name: | Login and Registration Page System ER Diagram |
| Abstract: | The ER (entir\ty-relationship) Diagram for Login and Registration Page depicts the relationship between various entities. It can be thought of as a blueprint for your system (project) structure. |
| Diagram: | ER Diagram is also known as Entity Relationship Diagram |
| Tools Used: | Diagraming tools that provide ER diagram symbols. |
| Users: | Website, Applications, and Software. |
| Designer: | ITSourceCode.com |
What is Login and Registration Page?
A user registration system requires the creation of a username and password, as well as the answers to other security questions. Many user registration systems allow users to customize their accounts and profiles, while others give users their account information.
The first time using the system, the user must register. It’s a method of verifying user credentials to access and log on to the system using the username and password created after the initial registration. The username and password required to access data on a computer or other electronic device are referred to as “login”.
Definition of ER Diagram for Login and Registration Page
The login and registration page ER diagram is referred to as the software database design. This ER Diagram is the graphical depiction of relationships between all the entities involved in the system. Its major components are Entities, Attributes, and Relationships.
The ER Diagram is used to build and troubleshoot the software’s relational database. It works best with DFD (Data Flow Diagram), which is responsible for data movement.
Importance of ER Diagram for Login and Registration Page
The importance of ER diagram for login and registration page is to help in modeling its data storage or database. It is the basis of the project’s database foundation for construction. This entity-relationship diagram (ERD) also aids in defining the data types to be stored such as their attributes and characteristics.
In addition to that, the ER Diagram also describes how an entity interacts with other entities. All other real-world projects are presented with ER Diagrams (database designs).
Login and Registration Page ER Diagram
ER Diagram of Login and Registration Page shows the system entity and the supposed functions in each relationship. It is the supposed database design of the project. This conveys the data that would be present in the registration system, its characteristics, and its connection with other data (entity).
This diagram presents the entities’ relational model for the login and registration page. It is used to enlighten you on how the back end of the database of the project works. The tables are made to meet the required specification of the system and provide much more specific details of each entity within the system.
ER Diagram for Login and Registration Page with Tables
These tables below provide the complete database table details such as Field Name, Descriptions, data types, and character lengths.
Table Name: Accounts
| Field | Description | Type | Length |
| account_ID (PK) | Account ID | Int | 11 |
| sign_ID (FK) | Sign-up ID | Int | 11 |
| type_ID (FK) | Type ID | Int | 11 |
| login_ID (FK) | Login ID | Int | 11 |
Table Name: Session
| Field | Description | Type | Length |
| session_ID (PK) | Face ID | Int | 11 |
| account_ID (FK) | Student ID | Int | 11 |
| session_start | Session Start | Varchar | 255 |
| session_end | Session End | Varchar | 255 |
Table Name: Account Type
| Field | Description | Type | Length |
| type_ID (PK) | Account Type ID | Int | 11 |
| type_name | Type Name | Varchar | 255 |
| description | Description | Text |
Table Name: Login Details
| Field | Description | Type | Length |
| login_ID (PK) | Login ID | Int | 11 |
| username | Username | Varchar | 255 |
| password | Password | Varchar | 255 |
Table Name: Signup Details
| Field | Description | Type | Length |
| sign_ID (PK) | Sign-up ID | Int | 11 |
| name | Name | Varchar | 255 |
| age | Age | Int | 11 |
| gender | Gender | Varchar | 255 |
| address | Address | Text | |
| date | Date | Date | |
| login_ID (FK) | Login ID | Int | 11 |
Table Name: Logs
| Field | Description | Type | Length |
| log_ID (PK) | Logs ID | Int | 11 |
| login_ID FK) | Login ID | Int | 11 |
| login_time | Login Time | Varchar | 255 |
| logout_tme | Logout Time | Varchar | 255 |
| activities_ID (FK) | Activities ID | Int | 11 |
| details | Details | Text | |
| date | Date | Date |
Table Name: Activities
| Field | Description | Type | Length |
| activities_ID (PK) | Activities ID | Int | 11 |
| account_ID (FK) | Account ID | Int | 11 |
| session_ID (FK) | Session ID | Int | 11 |
| activity_name | Activity Name | Varchar | 255 |
| details | Details | Text |
The tables given will be the basis for developers on how would they do the login and registration system database design. It has the complete description of the database and they will put this into the program or data storage the same as the names given to each of the tables. They will create a database with the attributes given as well as the value of each attribute.
ER Diagram for Login and Registration Page [PDF]
The ER Diagram for Login and Registration Page PDF provides the information explaining the concepts of the project database. You may apply this information to your capstone project. You can also use it directly or modify its content depending on your project’s requirements.
How to create ER Diagram for Login and Registration Page with Cardinality Ratio
Time needed: 5 minutes
Steps in building the ER Diagram for Login and Registration Page with Cardinality Ratio.
- Step 1: Familiarize the ER Diagram (Entity Relationship Diagram) Symbols and Cardinality
Entity Relationship Diagram – shows the structure of data types in a project. It uses symbols to clarify its parts and relationships. Their symbols and applications must be familiarized before you build the ER Diagram.
ER Diagram Symbols:
• Fields: Fields are the parts of a table that define the entity’s characteristics. In the database that the ERD models, attributes are commonly thought of as rows.
• Keys is a technique to categorize data qualities. It is used to organize ER diagrams and assist users in modeling their databases to ensure that they are efficient. This is also used to connect different tables in a database.
– Primary Key: identifies a single entity instance which means a unique attribute or set of attributes.
– Foreign Key: is produced when data attributes have one too many relationships with other entities.
ER Diagram Cardinalities:
The styling of a line and its termination demonstrates cardinality and ordinality.
The greatest number of times an instance of one thing can be related to instances of another entity is referred to as cardinality.
While Ordinality refers to the fewest number of times a single entity instance can be linked to another. - Step 2: Finalize the entities included
Start designing your ER Diagram by finalizing the entities that must be included in your login and registration page. This entity is represented by a rectangle, and you’ll want to leave plenty of room for them in future phases so you may add them to your design.
An entity set is a group of similar entities with shared properties. A table or a table’s attribute is an entity in a database management system. As a result, by depicting relationships between tables and their characteristics, an ER diagram displays the whole logical structure of a database. - Step 3: Add the attributes of each entity
After finalizing the entities, think about the qualities you’ll need to characterize each entity. The details of the various entities outlined in a conceptual ER diagram are supplied as attributes. Characteristics of an entity, a many-to-many relationship, or a one-to-one relationship are all examples of attributes. Multivalued attributes can be assigned to several values.
The entity’s attributes were represented by ovals and can be seen in the tables of the login and registration page er diagram. These attributes can be a primary key or a foreign key in the database design of the project. Yoy ER diagram design could also be converted to the database of the system by declaring your right entities and their attributes. - Step 4: Describe the relationships (cardinality) between entities and attributes
To plot relationships between the ERD you will need the entities, their attributes, and relationships. You will base the data structure from the evaluated information to have the exact Entity Relationship Diagram.
A relationship is an association that describes how two entities interact. At the connector’s endpoints, the cardinality is indicated by a crow’s foot. One-to-one, one-to-many, and many-to-many are the three most common cardinal relationships. It’s the maximum number of times an instance of one entity can be linked to instances of another entity.
Conclusion:
You need to know the diagrams used to design and develop the Login and Registration Page. That is to help you create a fully-functional system with the use of ER Diagram. Creating it will help you perceive the back end of the software. This will hold all the data that’ll enter and exit the system.
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