sql-buffer

sql-buffer is a variable defined in `sql.el'.
Its value is

nil

Documentation:
Current SQLi buffer.

The global value of `sql-buffer' is the name of the latest SQLi buffer
created. Any SQL buffer created will make a local copy of this value.
See `sql-interactive-mode' for more on multiple sessions. If you want
to change the SQLi buffer a SQL mode sends its SQL strings to, change
the local value of `sql-buffer' using M-x sql-set-sqli-buffer.