GO is not a T-SQL command. It tells SQL Server tools to send the current batch. Why a GO statement must sit on its own line, and how it ends a batch.
How the Main System Views Connect
Learn how the main system views connect through object_id, schema_id, index_id, and column_id so catalog joins stay accurate.
Estimating How Much Memory SQL Server Needs
How much memory SQL Server needs depends on the active working set, grants, and host headroom; learn to measure pressure and avoid fixed ratios.
Data Types That Waste Space
Data types that waste space include oversized integers, blanket nvarchar(max), and unnecessary datetime2 precision; measure before changing.
SQLAuthority News – Author Visit – MIS2007 Part II – Database Raid Discussion
At MIS2007 we had a database RAID discussion: RAID 5 or RAID 10 for databases from 5 GB to 5 TB. Almost everyone picked RAID 10, even though it costs more.
Index Optimization Checklist: A Printable One-Page Guide
The twelve things I ask a junior DBA to check before I touch a slow query, with three quick proofs you can run yourself.
SQLAuthority News – Author Visit – The 2007 Marketing Innovation Summit, Las Vegas
Notes from the 2007 Marketing Innovation Summit in Las Vegas, arranged by Unica: the agenda, the industry leaders I met and a few SQLAuthority.com readers.
REGEXP_LIKE in SQL Server 2025: Validating Codes, Emails and Phone Numbers
Validate codes, email shapes and phone numbers with REGEXP_LIKE in SQL Server 2025, using clear patterns and CHECK constraints.










