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SQL Server 2008 R2 uses SCSU to compress Unicode values (there meaning from strings in UCS-2 encoding) stored in nchar(n) and nvarchar(n) columns, achieving space savings between 15% and 50% (while UTF-8 only has this 50% reduction for ASCII subset of Unicode), depending on the language of the data. [12]
Varchar fields can be of any size up to a limit, which varies by databases: an Oracle 11g database has a limit of 4000 bytes, [1] a MySQL 5.7 database has a limit of 65,535 bytes (for the entire row) [2] and Microsoft SQL Server 2008 has a limit of 8000 bytes (unless varchar(max) is used, which has a maximum storage capacity of 2 gigabytes).
Each Unicode code point is encoded either as one or two 16-bit code units.Code points less than 2 16 ("in the BMP") are encoded with a single 16-bit code unit equal to the numerical value of the code point, as in the older UCS-2.
Data conversion can also suffer from inexactitude, the result of converting between formats that are conceptually different. The WYSIWYG paradigm, extant in word processors and desktop publishing applications, versus the structural-descriptive paradigm, found in SGML , XML and many applications derived therefrom, like HTML and MathML , is one ...
In computing, data transformation is the process of converting data from one format or structure into another format or structure. It is a fundamental aspect of most data integration [1] and data management tasks such as data wrangling, data warehousing, data integration and application integration.
Multiple fires raging across the Los Angeles area will cost insurers as much as $30 billion, Wells Fargo and Goldman Sachs estimated in a report released this week. The ongoing fires, according to ...
A suspect is in custody after a knife attack at Grand Central 42 Street subway station in New York injured two with neck and wrist slashes.
Microsoft's SQL Server 2019 added support for UTF-8, and using it results in a 35% speed increase, and "nearly 50% reduction in storage requirements." [ 59 ] Java internally uses Modified UTF-8 (MUTF-8), in which the null character U+0000 uses the two-byte overlong encoding 0xC0 , 0x80 , instead of just 0x00 . [ 60 ]