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21 mar 2013 · I want to display an empty string if the field is the minimum date (1/1/1900), but my CASE statement doesn't work; CreatedDate displays 1900-01-01 00:00:00.000 in my query when that value is in the database. I'm using SQL Server 2008 R2.
I have a table which contains 'NULL' values which are of type 'Datetime'. Now i have to convert those into empty string but when when i use convert function ISNULL( [Accrued Out of Default] ,'' ) ...
17 lis 2015 · You can't get an empty string because you're returning the DATE value type from ISNULL. Per the docs, ISNULL. Returns the same type as check_expression. If a literal NULL is provided as check_expression, returns the datatype of the replacement_value.
21 lip 2018 · To convert a date to a string, you use the CAST() function as follows: CAST(date AS string) Code language: SQL (Structured Query Language) (sql) In this syntax: The date can be a literal or an expression that evaluates to a DATE value. The string can be any character string data type such as VARCHAR or TEXT.
It is important to understand that a NULL column value is different than having a blank (empty string) or 0 value in a column. eg. ' ' or (empty string) <> NULL, 0 <> NULL. Let’s take a look at a few examples to illustrate these points.
6 sie 2019 · The trick here is that I will use a non-documented yet simple function in msdb database, dbo.agent_datetime, to compose a datetime value by inputting a dummy value, like 20000101, for @date parameter and use the [run_duration] column for @time parameter, and then use FORMAT() to return the HH:MM:SS formatted result.
The SQL Server ISNULL() function lets you return an alternative value when an expression is NULL: SELECT ProductName, UnitPrice * (UnitsInStock + ISNULL(UnitsOnOrder, 0)) FROM Products;
