[SQL] loosing data in postgres database

hi everyone, i have a problem of loosing data in my postgres database whenever i restart my machine what could be the possible problem help me out?

[SQL] failing to connect to postgresql with php

i have installed postgres 8.4 server in ubuntu 10.04, clearly following all procedures. what is disappointing me i cant establish connection to the database server when am configuring postgres with php. whenever i use this postgres database function i dont even receive an error message. the server