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Error Handling
Error handling in SQL Server 2008 is an essential aspect of database programming. It helps developers to manage errors and unexpected events that may occur during the execution of SQL Server code.
One of the key components of error handling in SQL Server 2008 is the TRY-CATCH block. This block allows developers to catch errors and exceptions that may occur within the code and handle them appropriately.
The TRY block contains the code that may throw an error or exception. If an error occurs, the code within the TRY block stops executing, and the execution is transferred to the CATCH block. The CATCH block contains the code that handles the error or exception.
In addition to the TRY-CATCH block, SQL Server 2008 provides several system functions and error messages that developers can use to manage errors. For example, the @@ERROR function can be used to retrieve the error number generated by the last executed statement. The ERROR_MESSAGE function can be used to retrieve the message associated with the error.
Overall, error handling in SQL Server 2008 is crucial for building robust and reliable database applications. It enables developers to identify and manage errors quickly, which can help prevent data loss, data corruption, and other issues that may arise due to programming errors.
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