add sql workshop

sql-basics/intro.md

@@ -4,9 +4,11 @@
 Welcome to your first step into the world of SQL! In this section, we will introduce you to the basics of databases and SQL.
 
 ## What is SQL?
+
 SQL (Structured Query Language) is a standard language for accessing and manipulating databases. With SQL, you can query data, update records, and manage and create database structures.
 
 ## What You'll Learn
+
 - What databases are and why they are essential.
 - How SQL interacts with databases.
 - Setting up your SQL environment for the first time.
@@ -15,7 +17,9 @@ Let's get started with setting up your SQL environment and exploring some basic
 
 
 ## Viewing Table Structure
+
 To view the structure of the `users` table, use the command:
-```sql
-PRAGMA table_info(users);
-```{{exec}}
+
+```bash
+sqlite3 workshop.db "PRAGMA table_info(users);"
+```{{exec}}