UPDATE changes rows in a table or view, while UPDATE() in triggers tells you if a column was part of an INSERT or UPDATE. Here is the difference.
Querying Active Directory From SQL Server
Querying active directory through an ADSI linked server can answer narrow questions, but its limits favor staged data for repeatable work.
SQL SERVER – 2005 – List All The Constraint of Database – Find Primary Key and Foreign Key Constraint in Database
A simple script from my archive lists all constraints from sys.objects, so you can check each foreign key and primary key constraint in database tables.
Writing T-SQL Somebody Else Can Maintain
Write maintainable T-SQL with clear names, explicit results, focused procedures, and comments that explain the business reason behind the code.
Grouping Dates Into Buckets With DATE_BUCKET
DATE_BUCKET groups timestamps into hourly, weekly, and custom intervals, with an origin that determines where every boundary lands.
SQL SERVER – Difference Between EXEC and EXECUTE vs EXEC() – Use EXEC/EXECUTE for SP always
What is the difference between EXEC and EXECUTE? None. The real difference is EXEC vs EXEC(), and I show why EXEC belongs before every stored procedure call.
COUNT_BIG: Count Rows and Non-NULL Values as bigint
COUNT_BIG helps me name the counting rule before reading the result. Compare rows, supplied values and distinct readings. Then check empty results and the bigint return type.