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ERROR_NUMBER() returns the error number which is assigned to that particular error in the table of errors.These functions store the information about the exception that is encountered.You can print the information about the exception with the help of some built-in functions.As the exception is encountered, the control is transferred to the BEGIN CATCH block.Write statements for handling the exception inside the BEGIN CATCH block.Put the error-causing statement inside the BEGIN TRY block.Now to handle this exception, we will use BEGIN TRY-BEGIN CATCH block.This is because when we use the PRINT statement to print a string along with a numeric value, we need to change the numeric value into a string data type before concatenation. Execute the procedure with the following query: Consider the following stored procedure to print the sum of two numbers:.We will see how we can use Try-Catch in SQL Server stored procedure. In this section, we will see another example of a stored procedure with an exception handling mechanism implemented. Try to insert duplicate value in this column by executing the procedure as:ĮXEC InsertRecord 'Brock', SQL Server convert integer to string + 12 examples Try catch in SQL Server stored procedure example.This means that if we try to insert duplicate value in the Username column, we should get an error. (Username, The Username column is set as Primary Key in the Login table. Let us consider the following example of a stored procedure that inserts a record into the Login table.ĬREATE PROCEDURE InsertRecord nchar(20), nchar(20).We will understand this with an example in SQL Server 2019. In this section, we will understand how we can implement exception handling in stored procedures in SQL Server. In such situations, we can use exception handling in SQL Server stored procedure. These can occur while inserting data into a table, updating data of a table, parsing input parameters etc.
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Sometimes we have some statements inside a stored procedure that can generate run-time errors and causing the application to break. Read: SQL Server Convert Datetime to date + Examples Exception handling in SQL Server stored procedure This time you will see the expected result. Also, try to change the value from 0 to another integer value.But, the statement inside the BEGIN CATCH block got executed. You will notice that this time also the result does not get printed. PRINT('You cannot divide a number by zero') The above program can be re-written using exception handling as:.SQL Statements where exception may encounter Now let us see the general syntax for BEGIN TRY and BEGIN CATCH block. But let us see how the program executes it: SET We know that dividing a number by 0 results in infinity.
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