[□=□] □ □ | □
[tag=□] □ □ | □
[lemma=□] □ □ | □
Connections from a client to the database server are , by default , allowed only via a local Unix socket , not via TCP / IP sockets . Otherwise NEW means the same as OLD . One implication of this architecture is that the postmaster and the backend always run on the same machine ( the database server ) , while the frontend application may run anywhere . Please note that it is not possible to alter a user 's " usesysid " via the alter user statement . Among other things , this means that functions of instances ( e.g ., foo ( emp ) where emp is a class ) cannot be called anywhere in a rule . Aside from the " oid " field , system attributes cannot be referenced anywhere in a rule . As an Assistant Trainmaster , she worked with a group analyzing the movements of people , trains and railroad cars at a big hump yard , an actual hump on the track that can be used to kick cars off a train to send them onto different tracks for sorting . The systems can be integrated to the Internet allowing building operators to access their system from anywhere in the world 24 hours a day to view current operating conditions , see system alarms , and change set points and schedules . In addition , all the data is copied out in text format so that it can be readily copied in again , as well as imported into tools for editing .