PSLine2000Documentation/Queries/Util Make Duplicate Revision Remover 2.md

Util Make Duplicate Revision Remover 2

Analysis generated on: 4/2/2025 10:13:39 AM

SQL Statement

SELECT [Util Make Duplicate Revision Remover 1].prt, Max([Util Make Duplicate Revision Remover 1].Rev) AS Rev, Max([Util Make Duplicate Revision Remover 1].PartNumber) AS PN
FROM [Util Make Duplicate Revision Remover 1]
GROUP BY [Util Make Duplicate Revision Remover 1].prt
ORDER BY [Util Make Duplicate Revision Remover 1].prt, Max([Util Make Duplicate Revision Remover 1].Rev) DESC;

Dependencies

• None

Parameters

• None

What it does

SQL Code Description

Purpose

This SQL code retrieves the part number and maximum revision values for each unique product in a database table.

Components

• Table: [Util Make Duplicate Revision Remover 1]

• Columns:

  • prt: Product identifier
  • Rev: Revision number
  • PN: Part number (alias)

• Subquery:

  • [Util Make Duplicate Revision Remover 1].Rev and [Util Make Duplicate Revision Remover 1].PartNumber
    • These subqueries extract the revision numbers and part numbers from the original table.

• Aggregate Function: Max()

SQL Code Breakdown

Select Clause

SELECT 
    [Util Make Duplicate Revision Remover 1].prt, 
    Max([Util Make Duplicate Revision Remover 1].Rev) AS Rev, 
    Max([Util Make Duplicate Revision Remover 1].PartNumber) AS PN

• The code selects three columns:
  • prt: Product identifier
  • Max([Util Make Duplicate Revision Remover 1].Rev): Maximum revision number for each product (using the MAX() aggregate function)
    • The subquery [Util Make Duplicate Revision Remover 1].Rev extracts the revision numbers.
    • The MAX() function returns the maximum value from this subquery.
  • Max([Util Make Duplicate Revision Remover 1].PartNumber): Maximum part number for each product (using the MAX() aggregate function)
    • The subquery [Util Make Duplicate Revision Remover 1].PartNumber extracts the part numbers.

Grouping Clause

FROM [Util Make Duplicate Revision Remover 1]
GROUP BY [Util Make Duplicate Revision Remover 1].prt

• The code groups the results by prt, which means that each group will contain one row for each unique product identifier.

Sorting Clause

ORDER BY [Util Make Duplicate Revision Remover 1].prt, Max([Util Make Duplicate Revision Remover 1].Rev) DESC;

• The results are sorted in descending order by Max([Util Make Duplicate Revision Remover 1].Rev) within each group.
• Within each group, the results are also sorted by prt in ascending order.

Example Use Case

This SQL code can be used to:

• Determine which products have the highest revision numbers and their corresponding part numbers.
• Identify any inconsistencies or discrepancies in the data by comparing the maximum revision number and part number for each product.