DCA Access Standard Security Program (DASSP) On July 19, 2005, the Transportation Security Administration (TSA) released an interim final rule that allows certain general aviation aircraft to apply for access to Ronald Reagan Washington National Airport (DCA) under the DCA Access Standard Security Program (DASSP).
The basic operations that can be performed on a binary search tree data structure, are the following 1  â. Insert â Inserts an element in a tree/create a tree. 2  Search â Searches an element in a tree. 3  Preorder Traversal â Traverses a tree in a pre-order manner. 4  Inorder Traversal â Traverses a tree in an in-order manner.
Other common operations that Excel can be used for include: 1  Graphing or charting data to assist users in identifying data trends; 2  Formatting data to make important data easy to find and understand; 3  Printing data and charts for use in reports; 4  Sorting and filtering data to find specific information;