Join Bill Weinman for an in-depth discussion in this video Goodbye, part of SQL Essential Training.
In this course, my goal was to provide you with the basic knowledge that you need to use SQL effectively in any database environment. I've covered the basic syntax of SQL so you can be well-prepared to construct your own database queries. The basics of reading, updating, and deleting data, how the basic data types work so you can create effective database schemas in whichever system you may be working with. More advanced features like joins, transactions, and sub-selects. And I've provided for you a complete open source database application that you can use and learn from or even use as a basis for your own database applications.
SQL is a powerful and important language for coding and managing modern relational databases, and this knowledge will serve you well for creating your own database applications. I hope you've enjoyed this course as much as I've enjoyed creating it for you, so have fun. And create something wonderful with your new SQL skills.
- Understanding SQL terminology and syntax
- Creating new tables and records
- Inserting and updating data
- Writing basic SQL queries
- Sorting and filtering
- Accessing related tables with JOIN
- Working with strings
- Finding the numeric type of a value
- Using aggregate functions and transactions
- Updating a table with triggers
- Creating views
Skill Level Beginner
Q: For Mac OS X: When I try to start the Apache Web Server from the XAMPP control panel, it doesn't start, and when I open "localhost" in my web browser, I see a white screen that says "It Works!" instead of the XAMPP page.
sudo apachectl stop
Q: I'm on a Mac, and I get an error in SID that says "attempt to write a read only database." How can I fix this?
A: This usually means that the database folder does not have sufficient permissions for writing by the web user. This can happen if you create the SQL folder new, rather than copying it from the Exercise Files. Here's how to fix this:
- Open a Finder window and Navigate to /Applications/XAMPP/htdocs/SQL
- Control-click on the SQL folder and select "Get Info" from the context menu.
- Under "Sharing and Permissions" (you may need to open the disclosure triangle), in the "everyone" row, select "Read & Write."Then you can close the Info window.
- Now repeat the process for the three *.db files inside the folder.
1. SQL Quick Start
Understanding joins2m 23s
Dates and times1m 59s
10. Subselects and Views
11. A Simple CRUD Application
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