CREATE TABLE browser (id NUMBER, name CLOB, market_share NUMBER)
CREATE TABLE accelerator_compatible_browser (accelerator_id NUMBER, browser_id NUMBER, compatible_since_year NUMBER)
CREATE TABLE web_client_accelerator (id NUMBER, name CLOB, operating_system CLOB, client CLOB, connection CLOB)

What are the name and os of web client accelerators that do not work with only a 'Broadband' type connection?
SELECT name, operating_system FROM web_client_accelerator WHERE connection <> 'Broadband'
SELECT "name", "operating_system" FROM "web_client_accelerator" WHERE "connection" <> 'Broadband'