i need some help with a SQL alter command. i am trying to add a field to my table, but when i do the field is filled with null in any existing rows. how can i just make it fill blank like the value ...

I have a file full of sql code (create.sql) which all works if I copy individual commands into the ssh client and run them there, but if I try 'get create.sql' it gives me errors. What's really ...