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  1. Prepare
  2. SQL
  3. Basic Join
  4. Challenges
  5. Leaderboard

Challenges

Hacker
Rank
Score
cuongcon234
01
flag of Vietnam
30.00
__dsnz__
01
flag of Greece
30.00
kurtesy92
01
flag of India
30.00
moniq
01
flag of Czech Republic
30.00
gmathew1
01
flag of United States
30.00
yhttah
01
flag of United States
30.00
kozloff
01
flag of Belarus
30.00
billybonss
01
flag of Belarus
30.00
vratakon
01
flag of United States
30.00
luongthenhan
01
flag of France
30.00
kurtmoser
01
flag of Estonia
30.00
alokcshahi
01
flag of India
30.00
iandjones
01
flag of United Kingdom
30.00
rajeshnehra89
01
flag of India
30.00
skiboy
01
flag of United States
30.00
jonatan_k
01
flag of Switzerland
30.00
eduardovinagre
01
flag of Mexico
30.00
rkumarb
01
flag of United States
30.00
saam_ahmadi
01
flag of United States
30.00
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