# qds.spDeleteChkSht

## Description
Deletes a checklist (`chkShtId`) by first deleting associated checklist items and their dependencies, followed by deletion from multiple linking and data tables.

## Parameters
- `@chkShtId` (int): ID of the checklist to delete.

## Key Operations
Deletes data from:
- `chkItemEvent`, `chkItemAttrLink`, `chkItem`
- `chkShtEvent`, `chkItemGroup`, `chkShtItemLink`, `chkShtItemSetLink`
- `chkShtAssetLink`, `chkShtItemClassLink`, `chkShtToolingLink`, `alertGroupLink`, `chkShtFile`, `chkShtTrigger`
- Nullifies `reTestChkShtId` if present

## Return Value
Total number of deleted rows.

### Code Example
```sql
-- Example: Delete a checklist sheet with ID 45
EXEC qds.spDeleteChkSht @chkShtId = 45;