The problem is: ALL of this captured blank are actually treated as '' << blank string NOT the actual NULL. SO, if you tried to write these blank values into mySQL cell that was defined as INT Type, you will get mySQL error "Invalid Integer Value"(something like that). As work ...
The SQL DEFAULT constraint is a constraint that can be added to tables to specify a default value for a column. The default value is used for the column’s value when one is not specified (for example, when you insert a row into the table without specifying a value for the column). T...
My SQL field 'modified' is a DateTime type and if the value is NULL in SQL I want to display a 'n/a' string. I am using FormView templates to display the value. If I use this statement -> ISNULL(Items.modified,'') AS Modified; I get '1/1/1900 12:00:00 AM' in r...
You need to use parameterized query and pass DBNull.Value as a parameter's value. In that case it will work fine. Here is sample how to use parameterized queries/stored procedures http://support.microsoft.com/kb/308049/en-us V Can use this if v r having Stored Procedure. but i m not...
The issue with NULL values is that not planning for them being included in your query results will lead to problems. How can we deal with detecting NULL values and replacing them with a non-NULL value? Solution COALESCE is one of the tools you have in SQL Server to work with NULL values...
You can use your union query, and you don't need the left joins to make a null result set. As mentioned, add another column to identify the queries in the results and then modify your code to check for the specific results. For example, since you mention needing them in a particular ...
I only want the column to bring back 0 or NULL - ive tried <>1 but that only brings back 0 IN (N' ', N'0') but doesnt like it, LIKE... NOT = N'1' nothing works, they all bring back (if work at all) 0 and not NULL and there are definitely ...
For more information, see SQL Server Integration Services. If you make schema changes to a published table, the custom procedures must be regenerated. For more information, see Regenerate Custom Transactional Procedures to Reflect Schema Changes. If you use a value greater than 1 for -Subscription...
In SQL Server, you can use the CONCAT() function to concatenate string values from expressions or columns containing a NULL. This function takes a list of strings and displays all these values in one string. The function ignores NULL, they are treated as if they were an empty string. Solut...
However, it is important to understand what these NULL values are and what they mean for you to have accurate and comprehensive data insights. This article will explore SQL commands and how to use them to count NULL and NOT NULL values. What Is SQL NULL Value? A NULL value means no valu...