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I'm blinded to my error
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4
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28
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October 24, 2020
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Sql intersect not returning what I want
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3
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39
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October 17, 2020
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I can't test subqueries independently. Commenting the rest of the code doesn't work
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4
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37
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October 15, 2020
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Debugger not helpful in understanding why solution keeps crashing
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5
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33
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October 13, 2020
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Sql except operator not working properly
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7
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33
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October 11, 2020
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What does GROUP BY 1 do in the query?
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6
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59
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October 6, 2020
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Solution for 190-8 "Challenge: Each Country's Best Customer" seems overly complicated?
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11
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472
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October 3, 2020
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Right answer not working?
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5
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49
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September 26, 2020
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I think I either spotted a mistake in your query or an opportunity for me to learn!
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9
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149
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September 22, 2020
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Why are results rounded to nearest second / is this a bug?
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5
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57
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September 19, 2020
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Best strategy to initially explore tables with SQL
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3
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94
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September 16, 2020
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Unnecessary additional GROUP BY in 190-3?
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6
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290
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September 10, 2020
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Is my easier answer adequate?
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3
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117
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September 9, 2020
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Why not include duplicates using UNION
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2
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53
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September 8, 2020
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190-8 | Why did the anser took a much longer/complex road
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7
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265
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September 7, 2020
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Why does this solution return fewer rows than requested?
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8
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58
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September 6, 2020
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How come SQL can use an alias twice?
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3
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66
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September 1, 2020
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Why Group By not Order By, and JOIN after SELECT?
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2
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54
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August 29, 2020
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Wrong answer with changing order of tables in JOIN
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3
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101
|
August 27, 2020
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SQL - Querying rows from GROUP BY
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3
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59
|
August 26, 2020
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SQL - Combining Rows Using Intersect and Except
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3
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69
|
August 26, 2020
|
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SQL left join Building and Organizing Complex Queries 3/10
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8
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207
|
July 24, 2020
|
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Order of tables in INNER JOIN - how important is this?
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2
|
75
|
July 17, 2020
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Same answer but "value doesn't look right"
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3
|
99
|
June 19, 2020
|
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Difference between * and c.*
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4
|
127
|
June 18, 2020
|
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Challenge 8: Each Country's Best Customer
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3
|
102
|
May 15, 2020
|
|
Help me creating the view in SQL
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|
8
|
215
|
April 21, 2020
|
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Solution for 190-8 “Challenge: Each Country’s Best Customer”, what's wrong with my code?
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4
|
159
|
April 20, 2020
|
|
Help understand SQL subquery
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|
2
|
127
|
April 12, 2020
|
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Where clause issue
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3
|
141
|
April 7, 2020
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