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Practice problems

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TITLE
DIFFICULTY
PASS RATE
TOPIC
ATTEMPTS
#0091Stop at the First Bad Line
Medium
0%
Performance
0
#5091The QR-Bill PayloadPro
Hard
0%
Algorithm
0
#0092Over the Threshold, Under Budget
Medium
0%
Performance
0
#5092Three-Way Match with TolerancesPro
Hard
0%
Algorithm
0
#0093Sales per Salesperson, Without the Chatter
Medium
0%
Performance
0
#0094Load Only What You Read
Medium
0%
Performance
0
#0095Setup Table Done Right
Medium
0%
Performance
0
#0096Shelf Totals, Straight From the Index
Medium
0%
Performance
0
#0097Distinct Values Without a Query
Medium
0%
Performance
0
#0098Write Only What Changed
Medium
0%
Performance
0
#0099Write Back a Record You Read Earlier
Easy
0%
Transactions
0
#0100Source Code on Every Entry
Medium
0%
Transactions
0
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