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Q&A Hub › Category: #SQL ×
6 hours ago
Is the SQL server not working?
I haven't been able to establish a connection with the SQL server for many days.  When I try to ...
10 views
0 answers
1 Follows
2 weeks ago
SQL employees database
I downloaded the SQL employees database and tried executing the code but it will not run. all ...
79 views
2 answers
3 Follows
2 weeks ago
Stored Procedures with an Output Parameter different from the lesson
Hi! I'm in the Stored Procedures with an Output Parameter lesson, and for some reason when I run ...
94 views
1 answers
4 Follows
2 weeks ago
SQL Insert Into Error
I am following the SQL course and trying to insert gender column into my customers' table but it ...
85 views
1 answers
3 Follows
Super Learner3 weeks ago
Primary key x Foreign key
Hi, all!   My question basically is: a foreign key in a child table is necessarily a primary ...
117 views
1 answers
3 Follows
Super Learner3 weeks ago
SQL Foreign Constraint – Part II -Cannot drop table ‘customers’ referenced by a foreign key constraint
07:30:12 Drop table customers Error Code: 3730. Cannot drop table 'customers' referenced by a ...
43 views
1 answers
2 Follows
4 weeks ago
Foreign key Error: Unhandled exception: invalid column contraint_name for resultset
Hi, When I apply the Foreign Key code or through the Alter Table button to give a custom name, I ...
78 views
1 answers
2 Follows
1 month ago
Exercise SQL: Creating Customer table
Hi, When creating the customer table, the answer was the following: CREATE TABLE ...
160 views
1 answers
4 Follows
1 month ago
SQL Self Join
Hello, In the SQL SELF JOIN video in the SQL course, there is an exercise to use the emp_manager ...
62 views
1 answers
2 Follows
Super Learner1 month ago
BETWEEN query SQL
Hello Martin!  In the BETWEEN exercise, the general rule states that the retrieved data would ...
67 views
1 answers
2 Follows
Super Learner1 month ago
SQL Syntax
For creating a foreign key will the below code be appropriate? CREATE TABLE items ( item_id ...
67 views
1 answers
2 Follows
Super Learner1 month ago
CHAR vs VARCHAR
In the lecture "String Data Types". The part in which the instructor is explaining the differences ...
212 views
1 answers
4 Follows
2 months ago
Installing Homebrew on macOS Catalina
In the Installing MySQL section of the SQL course, the suggested route for MacOS is to install ...
495 views
4 answers
3 Follows
Super Learner1 month ago
MySQL
I am unable to download MySQL  In my laptop MacBook  air any help ...
52 views
1 answers
3 Follows
2 months ago
MySQL Installation Video Outdated
The video on how to install MySQL is outdated, as the MySQL website is quite different now. Is ...
85 views
1 answers
3 Follows
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