💻 Data & SQL Tutorial Top Secret DCL queries for Admins in 10 minutes
Want to master database security in SQL Server? This video dives deep into Data Control Language (DCL) commands – your key to controlling access to your precious data.
We'll cover:
GRANT: Giving users and roles specific permissions on tables, views, and more. Learn how to grant SELECT, INSERT, UPDATE, DELETE, and even administrative rights.
REVOKE: Taking away those permissions when you need to. We'll show you how to revoke access completely or just refine it.
DENY: The ultimate override! See how DENY trumps all other permissions, even for specific columns. Perfect for protecting sensitive data like salaries and personal information.
But that's not all! We'll also explore:
Best practices: Learn how to apply the principle of least privilege and avoid common security pitfalls.
Important considerations: Understand the cascading effects of DCL commands and how to plan your security strategy effectively.
Real-world examples: See how these commands work in practical scenarios to solidify your understanding.
Whether you're a database newbie or a seasoned pro looking to brush up on your security skills, this video has something for you.
Don't leave your data vulnerable! Hit that subscribe button and join us to become a DCL master!
0:00 Intro
0:25 Database Security Folder
0:45 Create Database Schema
2:05 Database Roles & Users
2:58 Role Based Access Control (RBAC)
3:19 DDL - Create Roles
3:32 DDL - Create Login
4:12 DDL - Create User
4:33 DCL - GRANT permissions to Roles
5:49 DCL - REVOKE permissions from Roles
6:33 DDL - Assign Users to Roles
7:08 DDL - Remove Users to Roles
7:25 DCL - DENY - override permissions
8:16 DCL - DENY - Protect sensitive data
8:52 Execute Script with DDL, DCL
9:10 Address Errors in Script
10:05 Refresh folders to view results
10:27 Conclusion
