case expression is the correct term as they evaluate to a scalar value (also. in SQL a statement is terminated by the "statement terminator" which is the semi-colon).
I have an SQL statement that has a CASE from SELECT and I just can't get it right. Can you guys show me an example of CASE where the cases are the conditions and the results are from the cases. For
244 I'm writing an SQL Query, where a few of the columns returned need to be calculated depending on quite a lot of conditions. I'm currently using nested case statements, but its getting messy. Is there a better (more organised and/or readable) way? (I am using Microsoft SQL Server, 2005) A simplified example:
In SQL the rest of the expression does get evaluated in the OR syntax. Try this (it wouldn't let me include the @ symbol - you will have to correct it if you want to test it): declare var varchar (5) set var = '0' select 2 / var where var <> 0 or ISNUMERIC (var) = 1 .
The original query has multiple SELECT statements, so MS SQL server is expecting subqueries. It an easy mistake to make if you're used to some programming languages that use select and case rather than CASE and WHEN.
The following image is a part of Microsoft SQL Server 2008 R2 System Views. From the image we can see that the relationship between sys.partitions and sys.allocation_units depends on the value of sys.
I'm trying to do an IF statement type function in SQL server. Where there is a NULL in the field, I want it to take a field from one of the tables and add 10 days to it. And if possible create an...
As an example of this... SQL Server refers to these as Simple vs Searched but refers to all of it as a CASE Expression. Therefore a CASE Expression can either be a Simple or a Searched CASE that can be used within a Statement.
