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ID: 17138, Create a virtual index on Pascal typed files

by John Roncalio Email: roncalio@shaw.ca


Create a virtual index on Pascal typed files (file of structure).
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For Delphi, Version 2.0  to 6.0 254 downloads
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Size: 12,400 bytes
Updated on Tue, 04 Dec 2001 19:07:46 GMT
Originally uploaded on Tue, 04 Dec 2001 19:09:53 GMT
SHA1 Hash: AB1474B56B060D16D45E26921B0A524B9659D2B8
MD5 Hash: 285D174A86CD74085696631412EB8697

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Description
Create a virtual index on Pascal typed files (file of structure). The technique is demonstrated using Apollo but will work with many alternate xBase drivers - including the BDE.

In addition to indexed access, this technique brings such capabilities as filters, queries, file and record locks, and data-aware control capabilities to binary file access.

This archive includes:
• Technical article (article3.htm)
• Demo application source (requires Apollo to compile) c/w sample data.

For more information, see http://www.members.shaw.ca/roncalio

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