Functions and Directives starting with D

Returns a spezialized SQL statement class object

Retrieves system date.

Returns the day of a date value as a numeric value.

Creates a new record.

Inserts a record into a table

Attaches an arbitrary value to a used work area

Clears the filter setting in a work area.

Closes all index files in a work area.

Clears all current relations in a work area.

Clears the top and/or bottom scope

Returns a list of the Xbase Parts registered in a work area.

Closes all files in all work areas.

Closes files in a work area.

Writes file buffers in a work area into the files.

Writes file buffers in all work areas into files.

Continues a sequential search defined by DbLocate().

Copies the field structure from a work area into a structure extended

Creates a file with the same structure as the file open in a work area.

Generates a database file from a file structure array.

Creates and opens an empty structure extended file.

Creates and opens a new file from a structure extended file.

Creates an index file in a work area.

Marks record as deleted.

Removes an Xbase Part from a work area's list of registered Xbase Parts.

Checks if the order for navigation is descending

Permanently deletes a table

Assembles and loads a compound database engine (DBE) from loaded

Browses records in a work area.

Sets or returns the settings of a database engine.

Returns the loaded database engines (DBE).

Loads a database engine (DBE).

Sets or returns the current database engine (DBE).

Removes a loaded database engine (DBE) from main memory.

Evaluates a code block for each record in a work area.

Exports data from a work area into a new file.

Returns the alias name of the current work area.

Returns the filter condition currently set for a work area.

Sets the record pointer to the last logical record.

Moves the record pointer to a percent position in a work area

Positions the record pointer to a specific record.

Sets the record pointer to the first logical record.

Imports data from a file into a work area.

Sets or returns information about a work area (database object).

Retrieves the code block associated with a work area.

Combines records from two work areas and writes the result to a new

Displays records from a work area.

Defines a condition for a sequential search and performs the search.

Checks if a table lock is set.

Physically removes records marked as deleted from a file.

Returns the position of the record pointer as a percent value

Removes deletion flag for a record (recalls the record).

Forces refresh of all internal cache buffers of current work area

Registers an object to receive messages from a work area.

Rebuilds open index files in a work area.

Returns the linking expression of a relation.

Transfers an alias name from the current work space into the Zero space.

Transfers an alias name from the Zero space into the current work space.

Reactivates notifications being sent from a work area to registered objects.

Returns a list of relation names defined for child work areas.

Locks records for write access when file is open in SHARED mode.

Determines which records are locked in a work area.

Determines the index tag of a child work area.

Resumes a suspended relational restriction in a child work area.

Executes a roll back operation on the current table row.

Returns the child work area of a relation.

Suspends a relational restriction in a child work area.

Release record locks in a work area.

Checks if a scope is set in a work area.

Positions the record pointer to a record based on the value of

Selects a work area.

Retrieves the DacSession object of the current work area.

Reverses the navigational order of a work area.

This function is not supported in Xbase++ (see DbeSetDefault()).

Sets a filter condition for a work area.

Returns or sets the status of the function Found()

Opens an index file in a work area.

Toggles NULL/NIL value support of a work area

Sets the controlling index in a work area.

Creates a relation (link) between two work areas.

Sets scope values for logical or physical orders.

Positions the record pointer relative to the current record.

Skipper function for a XbpBrowse or TBrowse object using database files as the data

Sorts records from a work area and writes them into a file.

Generates an array containing the structure data for a database file.

Temporarily suspends notifications being sent from a work area to registered objects.

Totals data from numeric fields of a work area into a second file.

Releases record and file locks in a work area.

Releases all file and record locks in all work areas.

Updates the current work area with data from another work area.

Opens a database file in a work area.

Deletes all records in a work area.

Determines whether a record is marked as deleted.

Gives an inverted index key value for sorting in descending order.

Outputs a value to the current output device.

Outputs a value with a picture format to the current output device.

Positions the cursor or print head.

Fills an array with information about the files in a specified path.

Determines the storage space available on a drive.

Initiates the buffering of screen output.

Displays a box on the screen.

Determines the number of pending DispEnd() calls.

Displays buffered screen output.

Displays a value on the screen or in the active window.

Displays a value on the screen without changing the cursor position.

Calls a DLL function dynamically at runtime.

Calls a function from a dynamically loaded DLL using a call-template.

Retrieves runtime information about loaded DLLs.

Loads a DLL file dynamically during runtime.

Prepares a call to a DLL function and creates a call-template.

Unloads a previously loaded DLL.

Retrieves the last operating system error code.

Retrieves the textual description of an operating system error code.

Converts a date value to a numeric weekday.

Converts a date value to a character string.

Converts a date value to a Julian date.

Converts a date value to a character string in the format YYYYMMDD.

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