STRING_SPLIT and its ordinal column preserve token positions when you request the third argument and sort by ordinal in SQL Server.
smalldatetime: Minute Rounding Can Change the Day
smalldatetime does more than hide seconds. These explicit conversions show minute rounding and a midnight carry, with complete original timestamps retained.
SQL SERVER – Find the Size of Database File – Find the Size of Log File
A quick script on sys.master_files to find the size of database file and log file in MB. Remove the WHERE clause to see every database on the server.
ISO Week Numbers: Find the Matching ISO Week Year
ISO week numbers can belong to a different year from the calendar date. A Thursday-based calculation keeps the ISO year and week together across December and January.
CDC Capture Lag: Read sys.dm_cdc_log_scan_sessions
CDC capture lag measures work committed at the source that the capture process has not yet exposed. Compare known markers, scan sessions and captured LSNs, and distinguish capture progress from a downstream consumer reading the changes.
SQL SERVER – Stream Aggregate Showplan Operator – Reason of Compute Scalar before Stream Aggregate
Stream Aggregate is a common showplan operator, even in a simple COUNT(*) plan. I explain why a Compute Scalar often shows up right before it.
SQL SERVER – Get the List of Object Dependencies – sp_depends and information_schema.routines
sp_depends can return wrong dependency results where information_schema.routines gets it right. See where it fails and the DMVs recommended in its place.