Explain the purpose of performing the database testing? | Software Testing
Explain the purpose of performing the database testing?
In this article, you will learn the purpose of executing database testing.
The fundamental purpose of performing the database testing is to make sure that it must follow the various aspects:
- Transaction’s ACID Properties
- Data Mapping
- Accuracy of Business Rule
- Data Integrity
Transaction’s ACID Properties
The database testing will make sure the ACID properties of the transaction
A database executes ACID which has four properties as follows:
- Atomicity
- Consistency
- Isolation
- Durability
Atomicity: It means that the data remains atomic. If we are executing any operation on the data, it should be carried on the complete application or should not be implemented at all. It can also be called All-or-nothing.
Consistency: It means the value should remain maintained after the transaction is completed. Data consistency is very important therefore the database should remain constant before and after the transaction. Hence, the data should always be corrected.
Isolation: It means all the transactions should be completed in one go so that we won’t affect one another and change the database state. If more than one transaction occurs concurrently, consistency should be maintained.
Durability: It means permanency of something, if any transaction is committed, it will keep the modifications without any failure. The durability of the database should be strong which means even if the system fails, the database still survives.
Data Mapping: It is the most important feature in database testing, which is highly focused on verifying the data that pass through back and forth between the application and the backend database. Features that need to be tested in the data mapping:
- We have to see whether the user interface or front-end methods are mapped constantly with the equivalent fields.
- The mapping information is specified in the requirements documents of the application.
- When any particular action is done at the front end of an application, an equivalent CRUD operation will be done in the backend.
- The test engineer has to verify if the correct activity is used and whether the user action is effective or not.
The Accuracy of the Business Rule: Database testing ensures the accuracy of the business rule. We are already aware that complex databases lead to complex components. The test engineer will have to execute some SQL commands to verify the complex objects.
Data Integrity: It makes sure the data integrity, where we can update, and the most recent shared data values should appear on almost every form and screen.
