NVARCHAR Meaning and
Definition
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nvarchar is a term commonly used in the field of computer programming and databases. It stands for "national variable character," and is a data type that represents a variable-length character string in a database system.
The "n" in nvarchar stands for "national," which refers to Unicode characters. Unicode is an international character encoding standard that allows computers to represent and manipulate text from various writing systems and languages. The use of nvarchar enables the storage of data that includes characters from different languages, including those with diacritical marks, non-Latin scripts, and special symbols.
The "varchar" part of nvarchar refers to a variable-length character string, which means that the length of the string may vary from record to record or even within the same record.
Unlike the traditional "char" or "varchar" data types, which store characters in a single-byte format, nvarchar uses a double-byte format to accommodate Unicode characters. This allows for the representation of a wider range of characters but also requires more storage space.
The nvarchar data type is commonly used in database systems that require the storage and processing of multilingual or internationalized content. It provides flexibility and compatibility with different languages and writing systems, ensuring that the data can be accurately stored and retrieved regardless of the character set or language used.
Common Misspellings for NVARCHAR
- mvarchar
- jvarchar
- hvarchar
- ncarchar
- nbarchar
- ngarchar
- nfarchar
- nvzrchar
- nvsrchar
- nvwrchar
- nvqrchar
- nvaechar
- nvadchar
- nvafchar
- nvatchar
- nva5char
- nva4char
- nvarxhar
- nvarvhar
- nvarfhar
Etymology of NVARCHAR
The term "nvarchar" is a commonly used abbreviation in the field of computer science, particularly in the context of database systems and character encoding. Its etymology is derived from "national variable-width" and "character".
The "nv" stands for "national variable-width", indicating that the data type is designed to store Unicode characters that support various writing systems including non-Latin alphabets. The "char" represents the term "character", which signifies that the data type is used to store individual characters or strings of text.
The concept of "nvarchar" emerged in Microsoft SQL Server, a relational database management system, where it is used to store Unicode text data. The "nvarchar" data type is distinct from "varchar", which typically represents variable-length character data encoded with a specific character set, such as ASCII or UTF-8.
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