SAV[E] filename [.ext] [REP[LACE] APP[END]] : Saves current contents of SQL buffer to a file. User APPEND to add an existing file; use REPLACE to overwrite an existing file. The default extension is .sql. GET filename [.ext] : Writes the contents of a previously saved file to the SQL buffer. The default extension for the file name is .sql STA[RT] filename [.ext] : Runs a previously saved command..