# Drop CONNECTION

## Description
In the Lakehouse, the delete CONNECTION operation is used to remove connection objects that are no longer needed. CONNECTION objects are used to store connection information with external services, including authentication credentials and access permissions.

## Syntax

The basic syntax for deleting a CONNECTION is as follows:
```SQL
DROP CONNECTION [IF EXISTS] connection_name;
```
**Parameters**
IF EXISTS `connection_name` is the name of the CONNECTION object that the user wishes to delete. Using the `IF EXISTS` option can avoid errors when the CONNECTION does not exist, ensuring the smooth execution of the delete operation.

## Usage Example

1. Delete a specific CONNECTION object:
   ```SQL
   DROP CONNECTION my_connection;
   ```
Executing this command will delete the CONNECTION object named `my_connection`. Before performing the deletion operation, it is recommended to confirm that the CONNECTION is no longer used by any queries or jobs.

2. Check if the CONNECTION exists before deletion:
   ```SQL
   DROP CONNECTION IF EXISTS my_connection;
   ```
Using the `IF EXISTS` option can avoid errors when attempting to delete a CONNECTION that may not exist. This is particularly useful in automated scripts or batch deletion operations, ensuring smooth execution even if some CONNECTIONS no longer exist.