sql try catch finally

Q: Does the Java exception handling mechanism understand? Java exception handling, really mastered it? What is a custom exception? What do you do with return in the catch body? What do you do with return in the finally body? What happens when the

TRY ... Catch is an impressive new feature of SQL Server 2005/2008. Improved developer exception handling. There is no reason not to try. Catch function. * TRY block-Contains code or script that may produce an exception* Catch Block-If an exception

Today, a netizen asked me a question.She said that she had a page where she saved data to the database. If the data was not saved successfully, no error was reported. She did not know what the problem was.I asked her if she had any exception

Can you guarantee that your program will not be a problem?NoWhen your program runs to a place where you don't want the results, do you want to make it wrong again?Don't want toDo you want your program to take up manger and not poop?Don't want toDo

The code examples in many books use try catch in database access functions to mislead beginners. Let's analyze a common function (Some large companies in ChinaCode, negative examples, cannot be imitated), 1 public int updateData(String sql)

Original: Exception handling in T-SQL Programming-exception capture (try catch) and throw exception (throw)The source of this article: http://www.cnblogs.com/wy123/p/6743515.htmlT-SQL programming, like applications, has exception handling mechanisms,

Example:Code Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->1 public void ExecuteSql (string conString, string region string) 2 { 3 4 SqlConnection con = new SqlConnection (conString ); 5 6 try 7 8 {

To use an unmanaged resource type, you must implement the idisposable interface's dispose () method to precisely release system resources .. This rule in the. NET environment causes the release of resources.Source codeIs a type of user, rather than

To use an unmanaged resource type, you must implement the IDisposable interface's Dispose () method to precisely release system resources .. The rule in the. Net environment allows the release of resource code to be a type of user, rather than a

The jar package provided by the database vendor to manipulate the database is database driven. If individual vendors provide their own database drivers that can lead to a high cost of learning for developers, Sun provides a set of interface