12-04-2012
Honestly, "Unix internal algorithms" is like "tell me a phone number". As long as you don't get more specific i see little chance of answering anything. I could point you to a list of (quite voluminous) books which cover this (foremost Andrew Tanenbaums "Operating systems"), but this is probably not what you had in mind.
bakunin
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LEARN ABOUT CENTOS
drop_text_search_template
DROP TEXT SEARCH
TEMPLATE(7) PostgreSQL 9.2.7 Documentation DROP TEXT SEARCH TEMPLATE(7)
NAME
DROP_TEXT_SEARCH_TEMPLATE - remove a text search template
SYNOPSIS
DROP TEXT SEARCH TEMPLATE [ IF EXISTS ] name [ CASCADE | RESTRICT ]
DESCRIPTION
DROP TEXT SEARCH TEMPLATE drops an existing text search template. You must be a superuser to use this command.
PARAMETERS
IF EXISTS
Do not throw an error if the text search template does not exist. A notice is issued in this case.
name
The name (optionally schema-qualified) of an existing text search template.
CASCADE
Automatically drop objects that depend on the text search template.
RESTRICT
Refuse to drop the text search template if any objects depend on it. This is the default.
EXAMPLES
Remove the text search template thesaurus:
DROP TEXT SEARCH TEMPLATE thesaurus;
This command will not succeed if there are any existing text search dictionaries that use the template. Add CASCADE to drop such
dictionaries along with the template.
COMPATIBILITY
There is no DROP TEXT SEARCH TEMPLATE statement in the SQL standard.
SEE ALSO
ALTER TEXT SEARCH TEMPLATE (ALTER_TEXT_SEARCH_TEMPLATE(7)), CREATE TEXT SEARCH TEMPLATE (CREATE_TEXT_SEARCH_TEMPLATE(7))
PostgreSQL 9.2.7 2014-02-17 DROP TEXT SEARCH TEMPLATE(7)