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Building and Maintaining Indexes
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Limiting searches with SearchFilters
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dtSearch Text Retrieval Engine Programmer's Reference
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Definitions
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Description
Filename Filters
A filename filter is a pattern, like *.*, *.DOC, or FILE??10.DAT, that you can use to tell dtSearch which files you want it to search or index in a directory.
Document Ids
Each document in an index is assigned a unique integer identifier called a document id or "DocId".
Null-delimited string set
A null-delimited string set is a way to pass a series of any number of strings as a single string pointer.