How can i call a procedure from the app

hi
i have an establish connection to a database (MS SQL SERVER 2000) , i can get data from the tabels by sql statments.
i have stored procedure in the database , how dan i run procedure with parameters from the app.
lets say i have one procedure that takes one parameter "city_name"
procedure delete_city ( @city_name char(100) )
how can i run it
thanks ahead
johny

Hi,
Assuming con is the connection object:
Assuming city_name is the name of the city to be passed to the stored proceduer
Step 1: Create a callable statement object e.g. CallableStatement cs = con.preparecall("{delete_city(?)}");
Step 2: Set the IN paramter of the stored procedure e.g. cs.setString(1, city_name);
Step 3: Execute the callable statement e.g. ResultSet rs = cStat.executeQuery(); //assuming only one resultset is returned by your stored procedure
Step 4: Process the resultset as you do for getting data from your other sql statements.
This is a very basic way to execute a stored procedure. The complexity lies in executing stored procedures :
1) which return a value
2) which will result in multiple result sets
3) having IN, OUT and INOUT parameters
4) a combination of any or all of the above
I would suggest you look up the JDBC API to get more details.
Regards,
bazooka

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