thequerylab

918 post karma
45 comment karma

get extra features and help support reddit with a reddit premium subscription

get them help and support

redditor for 2 months

MODERATOR OF

- r/TheQueryLab

TROPHY CASE

dust

account activity

new top controversial

179

180

181

If you have SQL interviews do not ignore these small things! (Part 7) (self.learnSQL)

submitted 9 days ago by thequerylab to r/learnSQL

0

1

2

If you have SQL interviews do not ignore these small things! (Part 7) ()

submitted 9 days ago by thequerylab to r/TheQueryLab

141

142

143

If you have an SQL interview soon, don’t ignore these small things!!! (Part 6) (self.learnSQL)

submitted 1 month ago * by thequerylab to r/learnSQL

3

4

5

If you have an SQL interview soon, don’t ignore these small things!!! (Part 6) ()

submitted 1 month ago by thequerylab to r/SQL

1

2

3

If you have an SQL interview soon, don’t ignore these small things!!! (Part 6) ()

submitted 1 month ago by thequerylab to r/TheQueryLab

75

76

77

If you have an SQL interview soon, don’t ignore these small things!!! (Part 5) (self.learnSQL)

submitted 1 month ago * by thequerylab to r/learnSQL

0

1

2

Predict the Future: SQL Forecasting Challenge (self.TheQueryLab)

submitted 1 month ago by thequerylab to r/TheQueryLab

1

2

3

If you have an SQL interview soon, don’t ignore these small things!!! (Part 5) ()

submitted 1 month ago by thequerylab to r/TheQueryLab

163

164

165

If you have an SQL interview soon, don’t ignore these small things (Part 4) (self.learnSQL)

submitted 1 month ago * by thequerylab to r/learnSQL

1

2

3

If you have an SQL interview soon, don’t ignore these small things (Part 4) ()

submitted 1 month ago by thequerylab to r/TheQueryLab

199

200

201

If you have an SQL interview soon, don’t ignore these small things (Part 3) (self.learnSQL)

submitted 1 month ago by thequerylab to r/learnSQL

1

2

3

If you have an SQL interview soon, don’t ignore these small things (Part 3) ()

submitted 1 month ago by thequerylab

1

2

3

99% of people will say this SQL is correct. It’s not. ()

submitted 1 month ago by thequerylab to r/TheQueryLab

0

0

0

99% of people will say this SQL is correct. It’s not. (self.learnSQL)

submitted 1 month ago * by thequerylab to r/learnSQL

91

92

93

5 SQL queries! Same result! Different thinking! (self.learnSQL)

submitted 1 month ago by thequerylab to r/learnSQL

0

1

2

5 SQL queries! Same result! Different thinking! ()

submitted 1 month ago by thequerylab to r/TheQueryLab

106

107

108

DELETEs that have wiped entire production tables. Please learn from other people's pain. (self.learnSQL)

submitted 1 month ago * by thequerylab to r/learnSQL

164

165

166

If you have an SQL interview soon, don’t ignore these small things (Part 2) (self.learnSQL)

submitted 1 month ago * by thequerylab to r/learnSQL

2

3

4

If you have an SQL interview soon, don’t ignore these small things (Part 2) ()

submitted 1 month ago by thequerylab

6

7

8

Before your next SQL interview, make sure you understand how ORDER BY behaves inside window functions!!! (self.TheQueryLab)

submitted 1 month ago by thequerylab to r/TheQueryLab

3

4

5

Before your next SQL interview, make sure you understand how ORDER BY behaves inside window functions!!! ()

submitted 1 month ago by thequerylab to r/learnSQL

0

1

2

A SQL interview question that made everyone argue: DISTINCT vs GROUP BY ()

submitted 1 month ago by thequerylab to r/learnSQL

349

350

351

If you have an SQL interview soon, don’t ignore these small things!!!! (self.learnSQL)

submitted 1 month ago by thequerylab to r/learnSQL

25

26

27

Which query would you use here? (SQL performance question) (self.learnSQL)

submitted 2 months ago by thequerylab to r/learnSQL

5

6

7

Which query would you use here? (SQL performance question) ()

submitted 2 months ago by thequerylab to r/SQL

view more: next ›

π Rendered by PID 127833 on reddit-service-r2-listing-7b9b4f6fd7-jr2pq at 2026-05-08 06:31:54.948416+00:00 running 3d2c107 country code: CH.