EXECUTE IMMEDIATE
Name
EXECUTE IMMEDIATE -- dynamically prepare and execute a statement
Synopsis
EXECUTE IMMEDIATE string
Description
     EXECUTE IMMEDIATE immediately prepares and
     executes a dynamically specified SQL statement, without
     retrieving result rows.
    
Parameters
- string
-         A literal C string or a host variable containing the SQL
        statement to be executed.
        
Examples
     Here is an example that executes an INSERT
     statement using EXECUTE IMMEDIATE and a host
     variable named command:
sprintf(command, "INSERT INTO test (name, amount, letter) VALUES ('db: ''r1''', 1, 'f')");
EXEC SQL EXECUTE IMMEDIATE :command;
    
Compatibility
     EXECUTE IMMEDIATE is specified in the SQL standard.