How can I quit this: "Unique " to my table? more info...

Hello pgsql-sql,

I tried with both, but I obtain the follow Error.

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>> drop index b_prestamo_no_inventa_idx;

ALTER TABLE b_prestamo drop index b_prestamo_no_inventa_idx;

ERROR:  parser: parse error at or near "b_prestamo1_no_inventa_idx"

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> ALTER TABLE b_prestamo DROP CONSTRAINT b_prestamo_no_inventa_key;

ERROR:  parser: parse error at or near ";"
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>The correct answer is "one or the other depending on which PG versionpostgres (PostgreSQL) 7.1.2
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What happen some one can help me...?
Thank all...


-- 
Best regards,Luis                          mailto:ksql2002@yahoo.com.mx