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CodeSignal-Databases
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About
CodeSignal CodeFights SQL Database queries
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forks
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01-projectList
01-projectList
02-countriesSelection
02-countriesSelection
03-monthlyScholarships
03-monthlyScholarships
04-projectsTeam
04-projectsTeam
05-automaticNotifications
05-automaticNotifications
06-volleyballResults
06-volleyballResults
07-mostExpensive
07-mostExpensive
08-contestLeaderboard
08-contestLeaderboard
09-gradeDistribution
09-gradeDistribution
10-mischievousNephews
10-mischievousNephews
11-suspectsInvestigation
11-suspectsInvestigation
12-suspectsInvestigation2
12-suspectsInvestigation2
13-securityBreach
13-securityBreach
14-testCheck
14-testCheck
15-expressionsVerification
15-expressionsVerification
16-newsSubscribers
16-newsSubscribers
17-countriesInfo
17-countriesInfo
18-itemCounts
18-itemCounts
19-usersByContinent
19-usersByContinent
20-movieDirectors
20-movieDirectors
21-travelDiary
21-travelDiary
22-soccerPlayers
22-soccerPlayers
23-marketReport
23-marketReport
24-websiteHacking
24-websiteHacking
25-nullIntern
25-nullIntern
26-legsCount
26-legsCount
27-combinationLock
27-combinationLock
28-interestClub
28-interestClub
29-personalHobbies
29-personalHobbies
30-booksCatalogs
30-booksCatalogs
31-habitatArea
31-habitatArea
32-orderOfSuccession
32-orderOfSuccession
33-orderingEmails
33-orderingEmails
34-placesOfInterest
34-placesOfInterest
35-soccerGameSeries
35-soccerGameSeries
36-correctIPs
36-correctIPs
37-validPhoneNumbers
37-validPhoneNumbers
38-importantEvents
38-importantEvents
39-dateFormatting
39-dateFormatting
40-pastEvents
40-pastEvents
41-netIncome
41-netIncome
42-alarmClocks
42-alarmClocks
43-companyEmployees
43-companyEmployees
44-scholarshipsDistribution
44-scholarshipsDistribution
45-userCountries
45-userCountries
46-placesOfInterestPairs
46-placesOfInterestPairs
47-localCalendar
47-localCalendar
48-routeLength
48-routeLength
49-currencyCodes
49-currencyCodes
50-coursesDistribution
50-coursesDistribution
51-nicknames
51-nicknames
52-tableSecurity
52-tableSecurity
53-officeBranches
53-officeBranches
54-restaurantInfo
54-restaurantInfo
55-studentsInClubs
55-studentsInClubs
56-emptyDepartments
56-emptyDepartments
57-sunnyHolidays
57-sunnyHolidays
58-closestCells
58-closestCells
59-top5AverageGrade
59-top5AverageGrade
60-salaryDifference
60-salaryDifference
61-recentHires
61-recentHires
62-checkExpenditure
62-checkExpenditure
63-dancingCompetition
63-dancingCompetition
64-trackingSystem
64-trackingSystem
65-storageOptimization
65-storageOptimization
66-consecutiveIds
66-consecutiveIds
67-holidayEvent
67-holidayEvent
68-hostnamesOrdering
68-hostnamesOrdering
69-orderAnalytics
69-orderAnalytics
70-customerMessages
70-customerMessages
71-orderPrices
71-orderPrices
72-findTable
72-findTable
73-queriesExecution
73-queriesExecution
74-filmLibrary
74-filmLibrary
75-bugsInComponent
75-bugsInComponent
76-freeSeats
76-freeSeats
77-giftPackaging
77-giftPackaging
78-stringsStatistics
78-stringsStatistics
79-unluckyEmployees
79-unluckyEmployees
80-driversInfo
80-driversInfo
81-sortBookChapters
81-sortBookChapters
82-typeInheritance
82-typeInheritance
83-battleshipGameResults
83-battleshipGameResults
84-tictactoeTournament
84-tictactoeTournament
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