SQL · Aggregates

SQL Aggregates puzzles

12 SQL puzzles on aggregates. Read the snippet, guess the output, then reveal the answer and why SQL behaves that way.

• #822026-08-27
• #812026-08-26
• #742026-08-19
• #582026-08-03
• #572026-08-02
• #502026-07-26
• #342026-07-10
• #332026-07-09
• #262026-07-02
• #102026-06-16
• #92026-06-15
• #22026-06-08