Table 5-4 Properties and Methods for Data Dictionary Handling
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Property or Method
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Description
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Adds Indexes to the DDF file and to the corresponding Pervasive PSQL file.
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Adds the current table to the current data dictionary.
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Adds a new table to the current VAccess control memory image.
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Clears the field information in the VAccess memory image for the current table.
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Clears the index information in the VAccess memory image for the current table.
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Creates a new, empty set of DDF files in the current location.
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Adds a table definition to the dictionary and creates an empty data file.
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Removes an index from the current Pervasive PSQL data file and from the data dictionary definition for the current table.
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Removes an index from the current Pervasive PSQL data file and from the data dictionary definition for the current table while maintaining the ordering of the existing indexes.
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Drops the current table from the data dictionary.
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Reads field comments into the VAccess memory image from the COMMENT.DDF file.
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Specifies whether or not the VAccess should use the true indexes of the file or the indexes as specified in the DDF.
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Changes the table location of the current table and optionally writes the new location to the DDF.
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Changes the name of the current table and optionally writes the new name to the DDF.
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Sets the drive and path on which the DDF files associated with this control reside.
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Sets the Btrieve owner name for the dictionary files to something other than the default owner name (..SC....) and security level (allow read-only access).
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Sets the owner name used for opening dictionary files and determines whether or not a dictionary can be successfully opened and updated using the given owner name.
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Determines whether or not updates to the data dictionary tables will take place within a transaction. Accepts or returns a boolean value.
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Sets or returns a variant array containing information on the fields of the current table.
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Returns the list of tables defined in the current dictionary as a two-dimensional variant array.
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Sets or returns a variant array containing information on the indexes of the current table.
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Sets or returns the drive, path, and file name of the Pervasive PSQL file associated with this control.
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Determines whether the VAccess control will use DDF files for metadata or whether it will use internal states and/or persisted properties for metadata.
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Indicates which table, from the set of all tables defined in the current DDF set, will be associated with the control.
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