<p>Like this: const void * test = sqlite3_column_blob(stat, 1);
Can I delete or delete[] test?</p>

Look at its API Manual. If it is a C API, you probably have to
```
free
```
it. If it doesn't provide its own function like sqlite3_free (pcre does this for example), you have to use that function.
What you can't do is delete it using C++'s delete operator, since you have got a void pointer. You cannot delete a void pointer, since the compiler has to know about its type. (and void is an incomplete type. you can't delete incomplete types either).