PSLine2000Documentation/Queries/Material_Update_8110537_To_...

45 lines
1.7 KiB
Markdown

# Material_Update_8110537_To_8111115
Analysis generated on: 4/2/2025 10:03:12 AM
---
## SQL Statement
```sql
UPDATE Process SET Process.MetalType = "8111115"
WHERE (((Process.MetalType)="8110537"));
```
## Dependencies
- *None*
## Parameters
- *None*
## What it does
**SQL Update Statement**
==========================
### Description
This SQL update statement modifies the `MetalType` field in the `Process` table by setting its value to a specific metal type ID.
### Breakdown
#### 1. `UPDATE Process`
* Updates existing data in the `Process` table.
* This command is used to modify data that already exists in the database.
#### 2. `SET Process.MetalType = "8111115"`
* Specifies the new value for the `MetalType` field.
* In this case, the new value is set to a specific metal type ID ("8111115").
#### 3. `WHERE (((Process.MetalType)="8110537"));`
* Applies the update only to rows where the current value of the `MetalType` field matches the specified condition.
* This is known as a "filter" or "condition" clause, which allows you to target specific rows for updates.
### Condition Analysis
The condition `((Process.MetalType)="8110537")` checks if the current value in the `MetalType` column is equal to "8110537". If this condition is true, then the update will be applied only to those rows that meet this criterion.
### Important Notes
* This update statement modifies existing data. Make sure to back up your database before making changes.
* The specific metal type ID values ("8111115" and "8110537") should match the actual IDs in your database schema for the update to be effective.
* Depending on the context, it's essential to ensure that the update statement doesn't inadvertently delete or modify data based on incorrect assumptions.