In SQL, you can express the logic of what you want to accomplish without spelling out the details of how the database should do it. Nowhere is this more powerful than in constraints. SQL is declarative, and Joe Celko demonstrates, in his introduction to Declarative SQL, how you can write portable code that performs well and executes some complex logic, merely by creating unique constraints.
2015-12-29
6,430 reads
I wanted to figure out how big (or approximately how big) my dump file...
This month, I prompted bloggers to discuss whether good enough is perfect. Thank you to all...
By Steve Jones
Recently a customer asked if SQL Compare and SQL Data Compare can be used...
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Can you run this code in any of your SQL Server 2019 databases without error?
CREATE OR ALTER PROCEDURE [dbo].[StevesAmazingProc]
AS
SELECT Consumer_ID ,
Trend_Category ,
Bit_Trace
FROM NewWorldDB.dbo.MarketTrend;
GO See possible answers