05-23-2012
my data looks like
The box of tissues out of |
The book, the pen and the |
I have a list of words that need to make a pattern of them
Quote:
example of the words: the, of, and, a
example of the patterns: the.*the, the.*of, of.*of, of.*the
the output should look like
the box of |
the box of tissues out of |
of tissues out of |
the book, the |
the book, the pen and the |
the pen and the |
but because I have loads of patterns, I want to same those patterns in a file and call it
Last edited by A-V; 05-23-2012 at 01:11 PM..
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LEARN ABOUT OSX
drop_table
DROP
TABLE(7) SQL Commands DROP TABLE(7)
NAME
DROP TABLE - remove a table
SYNOPSIS
DROP TABLE [ IF EXISTS ] name [, ...] [ CASCADE | RESTRICT ]
DESCRIPTION
DROP TABLE removes tables from the database. Only its owner can drop a table. To empty a table of rows without destroying the table, use
DELETE [delete(7)] or TRUNCATE [truncate(7)].
DROP TABLE always removes any indexes, rules, triggers, and constraints that exist for the target table. However, to drop a table that is
referenced by a view or a foreign-key constraint of another table, CASCADE must be specified. (CASCADE will remove a dependent view
entirely, but in the foreign-key case it will only remove the foreign-key constraint, not the other table entirely.)
PARAMETERS
IF EXISTS
Do not throw an error if the table does not exist. A notice is issued in this case.
name The name (optionally schema-qualified) of the table to drop.
CASCADE
Automatically drop objects that depend on the table (such as views).
RESTRICT
Refuse to drop the table if any objects depend on it. This is the default.
EXAMPLES
To destroy two tables, films and distributors:
DROP TABLE films, distributors;
COMPATIBILITY
This command conforms to the SQL standard, except that the standard only allows one table to be dropped per command, and apart from the IF
EXISTS option, which is a PostgreSQL extension.
SEE ALSO
ALTER TABLE [alter_table(7)], CREATE TABLE [create_table(7)]
SQL - Language Statements 2010-05-14 DROP TABLE(7)