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File access and information. These operations allow you to create a file, open and close a file, retrieve file statistics, set and clear the file’s owner name, start or stop continuous operation mode on a file, unlock a file, and create and drop indexes on a file.

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Data retrieval. These operations allow you to retrieve a single record or a set of records given specified criteria. The Btrieve API supports data retrieval either by logical location in an index path or by physical location. For more information, refer to “Accessing Records” in the Pervasive PSQL Programmer's Guide.

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Data manipulation. These operations allow you to insert, update, or delete data.