Date and Time Calculations Made Easy with EOMONTH, DATEDIFF, and DATEADD
Learn how to work with dates and calculate particular dates or elapsed time periods with some of the functions available in SQL Server.
2025-05-09
2,713 reads
T-SQL
2025-05-07
431 reads
SQL Server Cursor Example
I know SQL cursors exist, but I am not sure how or why to use them. Can you provide a SQL cursor example? Can you give any guidance on when to use a SQL Server cursor?
2025-05-07
Return stored procedure parameter values to a calling stored procedure
In a previous topic we discussed how to pass parameters into a stored procedure, but another option is to pass parameter values back out from a stored procedure. One option for this may be that you call another stored procedure that does not return any data, but returns parameter values to be used by the calling stored procedure.
2025-05-02
2025-04-23
407 reads
Using the CASE expression instead of dynamic SQL in SQL Server
I have a lot of SQL update queries where I need to make IF/ELSE types of decisions. In some cases, I am using a cursor but looping through thousands of rows for update takes a long time. I also use some dynamic SQL to handle some query parameter decision making. Is there a better alternative?
2025-04-23
The Subtle Differences Between COALESCE and ISNULL
See how ISNULL and COALESCE behave in different situations and ensure you know which one to pick when.
2025-04-18
4,941 reads
Elements of the SQL Server Update Statement
Learn how to use the UPDATE statement, along with a few things to be aware of when changing data.
2025-04-11
1,589 reads
2025-04-09
1,805 reads
Understanding UNION and UNION ALL in SQL Server
A short look at the differences in UNION and UNION ALL in a SELECT query.
2025-04-07
4,235 reads
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Question of the Day
The Tightly Linked View
I try to run this code on SQL Server 2022. All the objects exist in the database.
CREATE OR ALTER VIEW OrderShipping
AS
SELECT cl.CityNameID,
cl.CityName,
o.OrderID,
o.Customer,
o.OrderDate,
o.CustomerID,
o.cityId
FROM dbo.CityList AS cl
INNER JOIN dbo.[Order] AS o ON o.cityId = cl.CityNameID
GO
CREATE OR ALTER FUNCTION GetShipCityForOrder
(
@OrderID INT
)
RETURNS VARCHAR(50)
WITH SCHEMABINDING
AS
BEGIN
DECLARE @city VARCHAR(50);
SELECT @city = os.CityName
FROM dbo.OrderShipping AS os
WHERE os.OrderID = @OrderID;
RETURN @city;
END;
go
What is the result? See possible answers