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Top Forums Shell Programming and Scripting awk? create similarity matrix by calculating overlaps between sets comprising of individual parts Post 302560959 by stonemonkey on Sunday 2nd of October 2011 02:42:57 PM
Old 10-02-2011
sorry found a mistake in the last table
here the corrected one and the corresponding .xls

Output MatrixOverlaps.txt (final size ca. 8000x8000)
 setID1setID2setID3setID4setID5
setID110.285714286OverlapLine0003OverlapLine0004OverlapLine0005
setID20.2857142861OverlapLine0003OverlapLine0004OverlapLine0005
setID30.2857142860.142857143OverlapLine0003OverlapLine0004OverlapLine0005
setID400OverlapLine0003OverlapLine0004OverlapLine0005
setID50.4285714290.125OverlapLine0003OverlapLine0004OverlapLine0005

Thanks again
 

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DROP FOREIGN 
TABLE(7) PostgreSQL 9.2.7 Documentation DROP FOREIGN TABLE(7) NAME
DROP_FOREIGN_TABLE - remove a foreign table SYNOPSIS
DROP FOREIGN TABLE [ IF EXISTS ] name [, ...] [ CASCADE | RESTRICT ] DESCRIPTION
DROP FOREIGN TABLE removes a foreign table. Only the owner of a foreign table can remove it. PARAMETERS
IF EXISTS Do not throw an error if the foreign table does not exist. A notice is issued in this case. name The name (optionally schema-qualified) of the foreign table to drop. CASCADE Automatically drop objects that depend on the foreign table (such as views). RESTRICT Refuse to drop the foreign table if any objects depend on it. This is the default. EXAMPLES
To destroy two foreign tables, films and distributors: DROP FOREIGN TABLE films, distributors; COMPATIBILITY
This command conforms to the ISO/IEC 9075-9 (SQL/MED), except that the standard only allows one foreign table to be dropped per command, and apart from the IF EXISTS option, which is a PostgreSQL extension. SEE ALSO
ALTER FOREIGN TABLE (ALTER_FOREIGN_TABLE(7)), CREATE FOREIGN TABLE (CREATE_FOREIGN_TABLE(7)) PostgreSQL 9.2.7 2014-02-17 DROP FOREIGN TABLE(7)
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