Day22

Day 22: SQL — Views and Constraints

📘 Topics Covered

• Creating and updating SQL Views
• Applying Constraints: CHECK, NOT NULL, UNIQUE, PRIMARY/FOREIGN KEY
• Use-cases for views (security, reuse, simplified queries)

📄 Scripts

• Views: SQL/view.sql, SQL/updatingview.sql
• Constraints examples: SQL/check.sql
• Practice: SQL/agelimit.sql

🔗 References

• SQL Views: https://www.sqltutorial.org/sql-views/
• SQL Constraints: https://www.sqltutorial.org/sql-constraint/ SQL Views Todays conecept Normal View & Material View