Doris CRUD Operations (Insert, Query, Update, Delete Data)

What is CRUD?

CRUD is a common data operation pattern used to manage the creation, reading, updating, and deletion of data.

Why use CRUD?

Using CRUD offers several advantages:

  • Simplicity: CRUD operations provide a simple interface for managing data.
  • Ease of use: CRUD operations enable developers to quickly implement data manipulation features.
  • Security: CRUD operations allow control over data access and modification.

Detailed CRUD Operations

Insert

Insert operations are used to add new data to the system. They typically involve the following steps:

  • Generate a unique record ID.
  • Save the data to the database.

Query

Query operations are used to retrieve data from the system. They typically involve the following steps:

  • Retrieve data based on conditions or Filters.
  • Paginate the displayed data.

Update

Update operations are used to modify existing data. They typically involve the following steps:

  • Retrieve the current data.
  • Generate new data.
  • Save the new data to the database.

Delete

Delete operations are used to remove data from the system. They typically involve the following steps:

  • Retrieve the data to be deleted based on conditions or Filters.
  • Determine whether to confirm the deletion.
  • Permanently delete the data from the database.

Best Practices

Here are the best practices when using CRUD operations:

  • Use effective keywords and Filters to retrieve the required data.
  • Optimize query and update operations to improve performance.
  • Ensure the security and reliability of the system.