Run CHECKDB on a restored copy to validate a recoverable backup, retain the full check output, and understand what remains untested.
Lightweight Query Profiling: Live Progress Without the Old Overhead
Use lightweight query profiling to inspect live operator rows and in-flight plans, while avoiding misleading progress percentages.
GLOBAL_TEMPORARY_TABLE_AUTO_DROP: Keeping ## Tables Alive on Purpose
Understand GLOBAL_TEMPORARY_TABLE_AUTO_DROP, its version and database scope, explicit cleanup, and the risks of shared global tables.
Loading Only New Rows: INSERT SELECT With NOT EXISTS
Make loading only new rows repeatable with NOT EXISTS, EXCEPT, source deduplication, and a unique key that protects the destination.
The VALUES Table Constructor: Using a List as a Table
Use a VALUES table constructor for inline mappings and joins, understand the INSERT row limit, and move larger reusable lists into tables.
How Much Space Does a NULL Take? NULL Storage in Rows
Measure NULL storage in ordinary rows, compare fixed and variable columns, inspect record size, and test sparse and compressed designs.
Can Admin Rename SA Account in SQL Server? – Interview Question of the Week #256
Question: Can Admin Rename SA Account in SQL Server?
Answer: Yes, of course. The syntax for to rename SA account is very simple: