This refers to Cerner CCL (Cerner Command Language), not to Sybase CCL (Continuous Computation Language).
CCL is a SQL-like language, fitting in the environment of Cerner healthcare solutions. If you're using CCL in Notepad++, you might be interested in Rob Holland's CCL plugin for Notepad++. I used for auto-completion of keywords and I adapted the syntax highlighting to my own usage. You can download my little updates if you wish.