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Q&A HubTag: #SQL ×
I haven't been able to establish a connection with the SQL server for many days.  When I try to ...
Hello everyone! In the  solution of the second problem, when we select calendar_year, why we use a ...
2 months ago
Hello, In the SQL SELF JOIN video in the SQL course, there is an exercise to use the emp_manager ...
Super Learner3 months ago
Hello everyone! Regarding the lecture about SELF JOINs I was wondering if the JOIN clause is ...
Super Learner3 months ago
Hello!   I would like to ask you if I can leave the table 'employees' when creating an ...
5 months ago
How can i delete duplicate records from a table under ...
Super Learner6 months ago
Hello. What is the second rule when organizing records when ORDER BY (for ex. first_name) is used ...
Super Learner6 months ago
Hello Team, Can you please give me an example of when or how we can use this two commands? To be ...
6 months ago
Hi team,Just a simple ques. we are provided with a data set 'employees' and I'm trying to work on ...
Super Learner6 months ago
Dear Team, I hope you can help me, i have tried to click on "Complete and Continue" for the ...
7 months ago
video of cross join:   where dm.dept_no <> d.dept_no   what does this condition ...
6 months ago
Dear 365 Team, I'm going through the Module 2 SQL course and am struggling a bit to grasp the ...
Super Learner7 months ago
Hi, I am following the lecture below, but the ROLLBACK command doesn't work, i execute first the ...
7 months ago
SQL Subqueries Video 1   Instead of using SQL subquery I used JOIN query which gave the same ...
Can I use postgress instead of MySQL during the SQL training in 365 data science ...