If the character does not have an HTML entity you can use the decimal dec or hexadecimal hex reference. Unicode character symbols table with escape sequences HTML codes. Unicode Isn T Harmful For Health Unicode Myths Debunked And Encodings Demystified Decimal Chart Coding Ascii For example the SQL Server Collations sort upper-case and lower-case letters in the opposite order as the Windows Collations. What are unicode characters in sql . In this post well discuss the improvements weve been making to the Windows Consoles internal text buffer enabling it to better store and handle Unicode and UTF-8 text. It is a variable width Unicode string data type. A wildcard character is used to substitute one or more characters in a string. To summarize the previous section. Wildcard characters are used with the LIKE operator. Arguments character_string Is a string of Unicode character data. Its size can be up to 2GB of text data. Functions that return position values such as ...