lossy index

[Crystal Li]

Hi All,

Would any one explain lossy indexes for me? in PostGIS Manual it talked
about GiST indexes are assumed to be lossy.Thanks.

Crystal

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Crystal Li
Systems Analyst
Idisis, Inc.
430, 318 11th Avenue S.E.
Calgary, Alberta T2G 0Y2
www.idisis.com
E-mail: crystal.li at idisis.com
Office: (403)670-7351
Fax: (403) 670-7359
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