WebAug 18, 2016 · Another way to test for an empty XML parameter, variable, or column is to check the DATALENGTH.Any empty XML item should be 5 bytes. For example: DECLARE @Test TABLE (XmlParam XML NULL); INSERT INTO @Test ([XmlParam]) VALUES (NULL), (N''), (N'g'); SELECT t.[XmlParam], DATALENGTH(t.[XmlParam]) AS [DATALENGTH], CASE … WebJun 17, 2024 · SQL allows any datatype to have a NULL value. This isn’t the same as a blank string or a zero integer. It boils down to the meaning ‘Unknown’. If you ask SQL theoreticians, they’ll say that it represents missing information and inapplicable information. Having a NULL string, for example, isn’t the same as knowing that you have a blank string.
STRING_SPLIT (Transact-SQL) - SQL Server Microsoft Learn
WebMar 25, 2024 · Make sure you are not installing SQL Server on a compressed or encrypted disk drive, because SQL Server setup program does not support it. Download the .NET Framework repair tool from here and try to repair any possible issues with .NET Framework. Verify the WMI service is started and verify the WMI repository is consistent. WebOct 22, 2008 · If the status is blank (and not null), I can't retrieve the record, e.g. select * from BorrowedItem where status = ''; no record found or select * from BorrowedItem where rtrim (status) = ''; no record found Why is Oracle like this? Locked due to inactivity on Nov 20 2008 Added on Oct 22 2008 7 comments 335 views product to product
SQL Query to Select All If Parameter is Empty or NULL
WebNov 19, 2008 · I'm using CR 9 and SQL Server 2005. I have a report with a sql command in the main report and also a subreport with a sql command as well. When the report is generated from Crystal Reports, everything is fine. However, when generated from our in-house software developed in .net framework, only the subreport is showing blank. WebNov 1, 2024 · 1 Answer Sorted by: 5 A numeric column without a value is null: select * from the_table where column_numeric is null; There is no equivalent concept of an "empty string" for numbers. Share Improve this answer Follow answered Nov 22, 2014 at 18:18 a_horse_with_no_name 77.5k 14 154 192 WebNov 1, 2024 · A numeric column without a value is null: select * from the_table where … reliable 300lb ironing board table