463

Topic Replies Views Activity
Why is there a difference between calling f.population versus c.population
DQ Courses
sql ,  463 ,  sql-joins-relations-de ,  463-6
3 136 February 18, 2022
How does SQL know what c.* means if there is no table by that name?
DQ Courses
sql ,  463 ,  sql-joins-relations-de ,  463-2
2 122 February 18, 2022
Challenge: Complex Query with Joins and Subqueries - Got Stuck and Have a Few Questions
DQ Courses
sql ,  463 ,  463-8 ,  sql-joins-relations-de
1 145 July 9, 2021
Not sure why my query doesn't run though the syntax is correct
DQ Courses
sql ,  463 ,  sql-joins-relations-de ,  463-7
1 736 July 6, 2021
Clarification - Difference in Syntax between JOIN for 2 tables each with an identical column name, and 2 tables with different column names but with identical data
DQ Courses
sql ,  463 ,  sql-joins-relations-de ,  463-1
1 173 July 6, 2021
Defining urban_pop outside of the subquery
Non-DQ Courses
146-146 ,  463 ,  463-8 ,  sql-joins-relations-de
3 268 March 28, 2021
Table aliasing - why does the course cut out the AS keyword after introducing the SQL style guide?
DQ Courses
sql ,  463 ,  sql-joins-relations-de ,  463-2
1 252 December 21, 2020
Sql Join with subquery
DQ Courses
sql ,  463 ,  463-8
2 215 September 25, 2020
Why is CAST placed in denominator ? Why not placed in both numerator and denominator?
DQ Courses
463 ,  463-8
3 236 August 14, 2020