PSLine2000Documentation/Queries/Material_Update_8110537_To_...

1.7 KiB

Material_Update_8110537_To_8111115

Analysis generated on: 4/2/2025 10:03:12 AM

SQL Statement

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.