What is the default encoding for SQL Server?

Does SQL Server support UTF-8?

SQL Server 2019 introduces support for the widely used UTF-8 character encoding. This has been a longtime requested feature and can be set as a database-level or column-level default encoding for Unicode string data.

What encoding is varchar?

VARCHAR is stored as regular 8-bit data, NVARCHAR strings are stored in the database as UTF-16. UTF-8 (UCS Transformation Format—8-bit) is a variable-width encoding that can represent every character in the Unicode character set.

What is the default character encoding?

ASCII was the first character encoding standard. ASCII defined 128 different characters that could be used on the internet: numbers (0-9), English letters (A-Z), and some special characters like ! $ + – ( ) @ < > . ISO-8859-1 was the default character set for HTML 4.

Is SQL_Latin1_General_CP1_CI_AS the same as Latin1_General_CI_AS?

The SQL_Latin1_General_CP1_CI_AS collation is a SQL collation and the rules around sorting data for unicode and non-unicode data are different. The Latin1_General_CI_AS collation is a Windows collation and the rules around sorting unicode and non-unicode data are the same.

What encoding does SQL use?

Encodings. In most cases, SQL Server stores Unicode data (i.e. that which is found in the XML and N -prefixed types) in UCS-2 / UTF-16 (storage is the same, UTF-16 merely handles Supplementary Characters correctly).

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How do I encode in SQL?

Use one of two methods to encode a SQL Server identifier:

  1. Specify the hexadecimal code for the unsupported character using the syntax %XX, where XX is the hexadecimal code.
  2. Pass the identifier as a quoted string to the Encode-Sqlname cmdlet.

Why varchar is used in SQL?

As the name suggests, varchar means character data that is varying. … SQL varchar usually holds 1 byte per character and 2 more bytes for the length information. It is recommended to use varchar as the data type when columns have variable length and the actual data is way less than the given capacity.

What is code page 1252 SQL Server?

Code page 1252 (ISO character set) is the default character set. It is also known as the ISO 8859-1, Latin 1, or ANSI character set. It is compatible with the ANSI characters used by the Microsoft® Windows NT® and Microsoft Windows® operating systems.

How do you handle special characters in SQL?

Use braces to escape a string of characters or symbols. Everything within a set of braces in considered part of the escape sequence. When you use braces to escape a single character, the escaped character becomes a separate token in the query. Use the backslash character to escape a single character or symbol.

What is the collation in SQL Server?

A collation specifies the bit patterns that represent each character in a dataset. Collations also determine the rules that sort and compare data. SQL Server supports storing objects that have different collations in a single database.

What are the types of encoding?

The four primary types of encoding are visual, acoustic, elaborative, and semantic.

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What are the two most popular character encoding?

The most common ones being windows 1252 and Latin-1 (ISO-8859).

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