ISNULL() function is used to check the value is null or not in SQL Server. This function also provides a way to replace a value with the null if the result is true. Here @Param is a nullable parameter and isnull checks the parameter is a null value or not. If it is a null, ...
An ISNULL() function in Microsoft’s SSRS returns a particular value if provided expression defines NULL. But when the expression is NOT NULL, this ISNULL() function will output the expression itself. The syntax structures asISNULL (expr, value), where the parameter ‘expr’ denotes the expr...
The SQL COALESCE function returns the first non-null value in a list. It helps handle null values by substituting with the first non-null alternative. Learn more.
In addition, SSMA for Access now supports conversion of multiple standard functions (ISNULL, IIF, etc.). Important With SSMA v8.5, .NET 4.7.2 is an installation pre-requisite. If you need to install this version, you can download the runtime...
A function performs a calculation on either specific Jira data or the function's content in parentheses, such that only true results are retrieved by the function, and then again by the clause in which the function is used. Learn more about using functions for advanced searching. For example:...
'1899-12-30 00:00:00.000' appears in Date Time type columns. 'cannot access the file' when run as an SQL Agent Job (works when executed from BIDS) 'DECODE' is not a recognized built-in function name. 'DTEXEC.EXE' is not recognized as an internal or external command, 'gacutil' is ...
This server is a perfect fit for data integrity and supports Primary Keys, Secondary Keys, UNIQUE, NOT NULL, EXPLICIT LOCKS, Advisory Locks, and Exclusion Constraints. Features of SQL Server The SQL server is characterized by its high-performance ability, especially in dealing with the great work...
How to tell what version of Microsoft SQL Server you are running? One simple way to do this is to run SELECT @@version Another option is to right click on the SQL Server instance name in SSMS and select Properties You can also use the SERVERPROPERTY function to get details about the ver...
SQL Datalength() syntax DATALENGTH(expression) In this syntax: expression: It is required value, here, the data type to return the length for, furthermore, If there are the expression is NULL, then it will returns the NULL . Note:Technical Details: It function works in SQL Server (starting...
Note the above plan shows it expects to read over 3.6 million rows; however, it expects to only return 1 row. That is a lot of work to just return 1 row! If you look at the predicate you’ll see there is an ISNULL function applied to the column and as a result the query is un...