: Click the lightning bolt icon to run the script. This creates the databases and populates them with the original sample data.
If you are still having trouble finding the files, you can search for community-maintained mirrors on GitHub or visit the Code with Mosh forums for updated links. If you want, I can help you: on your computer Troubleshoot a specific SQL error Provide examples for complex JOINS Let me know which part you'd like to work on! Code with Mosh Forum SQL Course Material zip file - Code with Mosh Forum
The "Programming with Mosh" SQL materials are designed to take a student from zero to "job-ready." By working through the zip file's practical exercises, one moves past simple syntax and begins to think like a database administrator. The transition from basic selects to complex subqueries and stored procedures represents the journey from a casual user to a data professional.
with zipfile.ZipFile('file.zip', 'r') as zip_ref: zip_ref.extractall() programming with mosh sql zip file top
.sql files that automatically build the sql_store , sql_hr , and sql_inventory databases.
Mosh’s SQL course covers:
The SQL course by Mosh Hamedani is designed for absolute beginners as well as intermediate developers who want to refresh their knowledge. The course primarily focuses on MySQL, the world's most popular open-source relational database management system. Key Topics Covered : Click the lightning bolt icon to run the script
If you're having trouble accessing the file via the links provided in YouTube descriptions or older course versions:
—14MB of pure potential. He unzipped it, ran the script in MySQL Workbench
Open the sql_hr database to master self-joins. The employees table contains both an employee_id column and a reports_to column within the same dataset. This structure requires you to join the table to itself to display each employee alongside their direct manager. If you want, I can help you: on
Many third-party sites claim to host these files, but downloading from unofficial sources poses security risks. Always use safe, verified channels to get the code scripts. 1. The Official Code with Mosh Platform
MySQL and PostgreSQL use LIMIT at the very end of the query block. This restricts the total rows returned after sorting.
| Error Message | Likely Cause | Solution | |---------------|--------------|----------| | ERROR 1064 (42000) | SQL syntax mismatch (Mosh’s MySQL vs your PostgreSQL) | Use the same DBMS as the course | | zip file is corrupted | Incomplete download | Re-download from official source | | Access denied for user | Wrong MySQL credentials | Reset root password or create new user | | Unknown database 'mosh_db' | The script expects a DB that doesn’t exist | Add CREATE DATABASE IF NOT EXISTS at top of .sql file |
Refresh your panel on the left side of the screen. You will now see the new databases ready for querying. Troubleshooting Common Script Errors