这个考试还是很有用的，教了很多有用的东西，不错，虽然考试需要很多钱，不过值的尝试。虽然用了sql server 这么多年但是对于事务、多并发的优化还是处于小学生的水平，通过这次考试争取让自己提一个档次。好好学习
不看书不知道自己有多浅薄，人无知更要多读书。
Resources
- Clustered and Nonclustered Indexes
- Columnstore Indexes – Design Guidance
- Create and update database tables
- Tutorial: Writing Transact-SQL Statements
- Views
- DDL Triggers
- Lesson 2-3 Creating Views and Stored Procedures
- Primary and Foreign Key Constraints
- Unique Constraints and Check Constraints
- User-Defined Functions
- Introduction to Memory-Optimized Tables
- SQL Server Transaction Locking and Row Versioning Guide
- Best Practice with Query Store
- Extended Events
- Performance Center for SQL Server Database and Azure SQL Database