sql server null empty string

Hi there, How can I force SQL Server to store empty strings (datalength = 0) as NULL-values? The Problem is, that my front-end often uses. The PRINTNAME column can not be NULL and can not be empty, plus the DISABLED field needs to be 0 This is what I have now, SQL NOT NULL and empty string help Ad: Get paid to post on DaniWeb Reply Start New Discussion How to add not null column in SQL Server 2005. The empty string is NULL Like Show 0 Likes download.oracle.com/docs/cd/E11882_01/server.112/e17118/sql_elements005.htm# this may not continue to be true in future releases, and Oracle recommends that you do not treat empty strings the same as nulls > Because that's. Oracle NUMBER Column: SQL Server INT Column: SQL Server DECIMAL Column: Insert Empty String ('') NULL Inserted : 0 Inserted : Fail. I want to check for data but ignore it if it's null or empty Currently the query is as follows Select Coalesce(listing.OfferText, company.OfferText, '') As Offer_Text,.Not many end users understand the difference between an empty string of zero length ('') vs Null An empty string of zero length is not the same as a Null value in SQL Server A string of zero check for empty strings via client side logic or application layer logic. Read related documents and downloads about Sql Server Null Vs Empty String Performance Find answers researching ebooks, papers or essays Guide to Migrating from Sybase ASE to SQL Server 201. SQL Server Programming FAQ, best practices, interview questions How to tell the difference between empty and null strings? -- NULL /***** TEST FOR EMPTY STRING *****/ SELECT 'Alpha' WHERE @NullString = ''-- (0 row(s) affected. You cannot pass an empty string to a Database NULL because ANSI SQL NULL which is database NULL is in an UNKNOWN value not an empty string It evaluates mathematically to a NULL but it is an UNKNOWN value determined by the creator of the database. I want to convert the string to null in SQL Server I have string variable, if that string variable is empty i want to change that as null value.midway arcade treasures crackChecking if String is NULL or EMPTY in SQL [Answered] RSS 6 replies Last post Nov 18, 2010 01:27 PM by sheijin ‹ Previous Thread | Next Thread › Shortcuts Active Threads. I am trying to check for a null or empty value for a column (nvarchar 7,null) if null or empty to return a value (1) So far I tried isnull and Len without any luck. PS VITA CONTENT MANAGER FOR PC whereas SUBSTRING('TechNet',-3,3) would return an empty string in SQL Server when converting with NULL or the nearest date SQL Server. The following information discusses how NULLS, null strings, and blank strings are handled in SQL Server Support Account Overview; Purchase history; My products and subscriptions The following information discusses how NULLS, null strings. Please vote if the answer you were given helped you or not, thats the best way to improve our algorithm You can also submit an answer or search documents about sql server return empty string if null. csv?forum=sqltools Question 2 3/24/2011 6:58:33 AM 4/1/2011 5:40:39 AM Any questions and discussions related specifically to SQL Server tools, There is a problem with empty vs null values in CSV Empty string 2nd column; hello,,worl. oracle is not null empty string, oracle is not null tuning, oracle is not null not working, oracle isupplier user guide, oracle is not null date, oracle is '' is nevel equal to null Does it mean SQL Server and Oracle treats null and empty string thing as an empty string in Oracle. I show you how to filter a SQL table that has both Null values and an Empty string I use SQL Server 2012 to demonstrate the How do you filter a SQL Null or Empty String? A null value in a database really means the lack of a value It is a special value that you can't compare. Test null or empty In Sql Server 2005 or 2008 is there an easy way to test for a column that has a value I can use isnull or coalesce for the nulls. SELECT SUM(CASE WHEN COLUMN1 NOT IN ('') THEN 1 ELSE 0 END) FROM TABLE1 -- returns 80, but I expected 100 Since NULL value is not the same as empty string in SQL, then the result you obtained is correct and makes sense in SQL terms.