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| Returns an estimate regarding the number of entries for a given key item in a given interval of values. |
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| Used to update the structure of an HFSQL data file by performing an automatic data modification (also called data synchronization). |
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| Returns the approximate position of current record in the data file. |
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| Sets the position on a record, based on the approximate position of one of its items. |
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| Automatically updates:
the values of a data file's items in memory with the values from the controls in the window.
the value of the WLanguage variables with the value of the window controls.
This function is also available for WEBDEV pages.... |
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| New features in WINDEV/WEBDEV/WINDEV Mobile 27 presented in the New Features brochure.... |
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| Returns the list of full-text indexes of a file (a query or a view) recognized by the HFSQL engine. |
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| Duplicates the record read in a data file: the record found in memory is added into the data file (query or view). |
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| Enables or disables the management of transactions for one or more files. |
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| Creates an HFSQL view.
This function uses the former view mechanism.... |
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| Crosses a record in a data file. |
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| Locks a record and restricts the access to this record for all the other applications. |
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| Dynamically changes the connection associated with a data file. |
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| Changes the path to a data file (i.e. directory in which the file will be handled). |
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| Creates an empty data file (".FIC" extension) with the index file and the memo file if necessary. |
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| Performs the following operations:
If the file does not exist, creates an empty data file (".FIC" file) with the index file and the memo file if necessary. The function is equivalent to HCreation.
If the file exists, opens the file.... |
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| Returns the time of the last update for the index statistics. |
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| Returns the date of the last update for the index statistics. |
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| Deletes a record from a data file (query or view). |
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| Returns the list of keys found in a file (query or view) recognized by the HFSQL engine. |
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| Returns the list of items:
found in a data file ( a query or a view) known to the HFSQL engine. The data files defined by HDeclare, HDeclareExternal and HDescribeFile are taken into account.
found in a Record variable.... |
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| Defines and enables a filter used to find the exact value of a string item. |
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| Exports records from a data file (HFSQL or OLE DB), view or query to an Excel file (XLSX). |
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