object cache
x$kglob - all [ob]jects
x$kgltable - filter for [table]s
x$kglbody - filter for [body] ( packages )
x$kgltrigger - filter for [trigger]s
x$kglindex - filter for [index]es
x$kglcluster - filter for [cluster]s
x$kglcursor - filter for [cursor]s
cache dependency
x$kgldp - object [d]e[p]endency table
x$kglrd - [r]ead only [d]ependency table - 7.3 or higher
object locks
x$kgllk - object [l]oc[k]s
object names
x$kglna - object [na]mes (sql text)