60 lines
1.9 KiB
Markdown
60 lines
1.9 KiB
Markdown
# MAKEW1
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Analysis generated on: 4/2/2025 10:02:50 AM
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---
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## SQL Statement
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```sql
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UPDATE Process SET Process.STSCode = "W"
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WHERE (((Left([PartNumber],3))="900"));
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```
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## Dependencies
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- *None*
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## Parameters
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- *None*
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## What it does
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**SQL Update Statement**
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=========================
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### Description
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The provided SQL update statement modifies the `STSCode` field in the `Process` table based on a specific condition related to the `PartNumber`.
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### Breakdown
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#### UPDATE Clause
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* The `UPDATE` keyword is used to specify that we want to modify existing data in the database.
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* In this case, we are updating the `Process` table.
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#### SET Clause
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* The `SET` keyword is used to specify which fields need to be updated.
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* Here, we are updating the `STSCode` field of the `Process` table.
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#### SET STSCode = "W"
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* We are assigning a new value ("W") to the `STSCode` field.
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* This update will apply this new value to all rows in the `Process` table where the condition is met.
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#### WHERE Clause
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* The `WHERE` keyword is used to specify conditions that must be true for the update to occur.
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* In this case, we have a complex condition involving multiple criteria:
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```sql
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WHERE (((Left([PartNumber],3))="900"));
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```
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* This condition uses the `LEFT` function to extract the first 3 characters from the `PartNumber`.
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* It then checks if these extracted characters are equal to "900".
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* The double parentheses (`( )`) indicate that this is a composite condition, which means it will be evaluated as a single expression.
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### Logic
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The update statement will apply the new value ("W") to the `STSCode` field of all rows in the `Process` table where:
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* The `PartNumber` has 3 or more characters (since we're extracting the first 3 characters).
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* The first 3 characters of the `PartNumber` are "900".
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This means that only parts with part numbers starting with "900" will have their `STSCode` updated to "W".
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