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

Challenges

Hacker
Rank
Score
trang_mt_duong
01
flag of Czechia
30.00
mnaveensmn
01
flag of India
30.00
QueeTeeEff
01
flag of Canada
30.00
heidarzadeh_ham1
01
flag of Canada
30.00
kristie_sarkar
01
flag of United States
30.00
cbobadillavega
01
flag of Mexico
30.00
marcegl91
01
flag of Argentina
30.00
fly_adele
01
flag of United States
30.00
rksriram312
01
flag of United States
30.00
desafanado
01
flag of United States
30.00
asumansicakyuz
01
flag of United States
30.00
rentzso
01
flag of United States
30.00
vinee_velecheti
01
flag of United States
30.00
hadenga
01
flag of South Korea
30.00
thevivekshukla
01
flag of India
30.00
vankhoa21991
01
flag of France
30.00
ajay_bond007
01
flag of India
30.00
ongw0093
01
flag of Singapore
30.00
leon0176
01
flag of Singapore
30.00
tanyunshi
01
flag of France
30.00
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