Transactions and Error Handling in SQL Server
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Learn to write scripts that will catch and handle errors and control for multiple operations happening at once.
Course Description
It is critical to know how to handle errors and manage transactions when programming SQL scripts. Unhandled errors can be very harmful and can cause unexpected situations, such as inconsistent data in your database, or even worse, errors can lead you to make wrong business decisions.
What You’ll Learn
Starting with error handling
To begin the course, you will learn how to handle errors using the TRY…CATCH construct that provides T-SQL. You will study the anatomy of errors, and you will learn how to use some functions that can give you information about errors.
Transactions in SQL Server
In this chapter, you will be introduced to the concept of transactions. You will discover how to commit and rollback them. You will finish by learning how to return the number of transactions and their state.
Raising, throwing and customizing your errors
In this chapter, you will deepen your knowledge of handling errors. You will learn how to raise errors using RAISERROR and THROW. Additionally, you will discover how to customize errors.
Controlling the concurrency: Transaction isolation levels
This chapter defines what concurrency is and how it can affect transactions. You will learn exciting concepts like dirty reads, repeatable reads, and phantom reads. To avoid or allow this reads, you will explore, one by one, the different transaction isolation levels.
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