National 5; Testing and documentation Syntax, execution and logic errors. The aim of testing is to prevent software failure. Using normal, exceptional and extreme test data as part of a test plan ...

Once it passes those validations, no more errors are expected and you can pump it over in one statement (well, could be an insert, a delete and maybe even a delete) to the final table.

Higher; Testing Syntax, execution and logic errors. Programmers often encounter logic, syntax and execution errors and use dry runs, trace tables and breakpoints to resolve errors and finalise code.