- SELECT CONVERT(NVARCHAR(32),HashBytes('MD5', '[email protected]'),2). That will give you
SELECT CONVERT(VARCHAR(32),HashBytes('MD5', 'Hello World'),2) SELECT UPPER(master.dbo.fn_varbintohexsubstring(0, HashBytes('MD5', 'Hello World'), 1, 0)). So it looks like the first one is a better choice, starting from version 2008.
Where @ReportDefinitionHash is int, and @ReportDefinitionForLookup is the varchar. Passing a simple char like 'test' produces a different int with my UDF than a normal call to HashBytes would
Reference for the CAST and CONVERT Transact-SQL functions. These functions convert expressions from one data type to another.
The CONVERT() function converts a value (of any type) into a specified datatype. Tip: Also look at the CAST() function.
При преобразовании из float и numeric в integer, функция CONVERT усекает результат. Для других преобразований функция CONVERT будет округлять результат. См. Также функцию CAST. Применение. Функция CONVERT может использоваться в следующих версиях SQL...
Conversion from int to bytes is the reverse operation of conversion from bytes to int that is introduced in the last HowTo tutorial.
Implicit conversion from data type varchar to money is not allowed.
Explicit conversion is performed explicitly by a database programmer or administrator and at the same time this conversion process is made with help of any data conversion function.
SELECT CONVERT ( int , 'sql' ). Чтобы избежать генерации исключения можно использовать функцию TRY_CONVERT .