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Version: 2026

Using Unicode in HFSQL tables
The database schema proposes two types of Unicode items ...
Unicode in character strings
The Unicode format is an encoding system that assigns a unique number to each character.
Unicode (Property)
The Unicode property is used to:
  • Determine if the value of a control is a Unicode string.
  • Specify whether the value of a control is a Unicode string.
UTF8ToUnicode (Function)
Converts a UTF-8 string to Unicode
Comparison operators
The comparison operators can be divided into several categories...
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The different types of items proposed in the data model editor are as follows:
UTF8ToString (Function)
Converts a string in UTF8 format into an ANSI or Unicode string.
Operators on character strings
The character strings can be handled by specific WLanguage functions or by the +, [[ and ]] operators...
SQL functions that can be used in SQL queries
The following SQL functions can be used on the queries written in SQL code (classified by theme)...
<String type>.AnsiToUnicode (Function)
Converts an ANSI string (Windows) to a UNICODE string.
fReadLine (Function)
Reads a line from an external file (ANSI or UNICODE).
<DiskFile variable>.ReadLine (Function)
Reads a line from an external file (ANSI or UNICODE).
<DiskFile variable>.WriteLine (Function)
Writes a line into a text file (ANSI or UNICODE).
fWriteLine (Function)
Writes a line into a text file (ANSI or UNICODE).
CharactUnicode (Function)
Returns the character corresponding to the specified Unicode code.
fOpen (Function)
Opens an external file (ANSI or UNICODE) for programmatic manipulation.
UTFConvert (Function)
Converts a string or buffer to the specified format: UTF, ANSI, Unicode.
<Variable DiskFile>.Open (Function)
Opens an external file (ANSI or UNICODE) in order to handle it through programming.
H.LanguageCreationUnicode (Variable)
Allows you to define the characteristics of the sort for the Unicode items found in a table.
StringToUTF8 (Function)
Converts an ANSI or UNICODE string to UTF-8.
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