This figure shows the Oracle CQL Processor screen. It contains tabs: General, Record, Playback, Query Wizard, CQL Rules, and Query Plan. The Query Wizard tab is selected. It contains pull down menu choose layout, buttons Clear Canvas, Save Query, Open Query, Zoom In, Zoom Out, Fit Content, and Toggle Constructs. It also contains a zoom slider and a Hover check box which is unchecked. There is an accordion menu that contains the following tabs: CQL Constructs, Templates, and User-defined templates. The CQL Constructs tab is selected to show the following items: SSource, RSource, Pattern, Output, Select, Join, Window, Filter, Union, Intersect, Minus, IStream, DStream, and RStream.