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.
The select operation. - combines relational tables to provide the user with more information than is otherwise available. - creates a subset consisting of columns in a table. - identifies the table from which the columns will be selected. - creates a subset consisting of all records in the file that meet stated criteria. - creates a subset consisting of all records in the file that meet stated criteria.