Solution:Step 1: Understand the view's filter conditionOnly orders within the last 30 days are included.Step 2: Analyze inserting an order dated 40 days agoWITH CHECK OPTION blocks inserts that don't satisfy this condition.Final Answer:The insert is rejected because the order date is outside the vie

[Solved] You have a view:CREATE VIEW recent_orders AS SELECT * FROM orders WHERE order_date > CURRENT_DATE - INTERVAL '30 days' WITH CHECK OPTION;How does WITH CHECK OPTION affect inserting an order dated 40... | PostgreSQL

PostgreSQL - Views and Materialized Views

You have a view:

CREATE VIEW recent_orders AS SELECT * FROM orders WHERE order_date > CURRENT_DATE - INTERVAL '30 days' WITH CHECK OPTION;

How does WITH CHECK OPTION affect inserting an order dated 40 days ago through this view?

AThe insert is rejected because the order date is outside the view's range

BThe insert succeeds and the order is visible in the view

CThe insert succeeds but the order is hidden from the view

DThe insert changes the order date to current date automatically

Step-by-Step Solution

Solution:

Step 1: Understand the view's filter condition
Only orders within the last 30 days are included.
Step 2: Analyze inserting an order dated 40 days ago
WITH CHECK OPTION blocks inserts that don't satisfy this condition.
Final Answer:
The insert is rejected because the order date is outside the view's range -> Option A
Quick Check:
Inserts outside view filter = rejected [OK]

Quick Trick: Inserts outside date range fail with CHECK OPTION [OK]

Common Mistakes:

Assuming insert succeeds but order is hidden
Thinking insert changes date automatically
Believing insert always succeeds

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You have a view:

Step 1: Understand the view's filter condition

Step 2: Analyze inserting an order dated 40 days ago

Final Answer:

Quick Check:

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