[Solved] What result does this query produce?SELECT * FROM events WHERE start_date = '2024-06-05';Given events:1) 2024-06-01 to 2024-06-042) 2024-06-06 to 2024-06-123) 2024-06-08 to 2024-06-09 | SQL

SQL - Advanced Query Patterns

What result does this query produce?
SELECT * FROM events WHERE start_date <= '2024-06-10' AND end_date >= '2024-06-05';
Given events:
1) 2024-06-01 to 2024-06-04
2) 2024-06-06 to 2024-06-12
3) 2024-06-08 to 2024-06-09

AEvents 1, 2, and 3

BEvents 2 and 3 only

CEvents 1 and 2 only

DEvent 2 only

Step-by-Step Solution

Solution:

Step 1: Understand the date filter
The query selects events overlapping the date range 2024-06-05 to 2024-06-10.
Step 2: Check each event
Event 1 ends before 2024-06-05, so excluded. Event 2 overlaps fully. Event 3 is within the range, so included.
Final Answer:
Events 2 and 3 only -> Option B
Quick Check:
Events overlapping given range = Events 2 and 3 only [OK]

Quick Trick: Check if event start ≤ range end and event end ≥ range start [OK]

Common Mistakes:

Including events that end before the range starts
Excluding events that start inside the range
Misreading the date comparisons

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What result does this query produce?

Step 1: Understand the date filter

Step 2: Check each event

Final Answer:

Quick Check:

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