A beginner asked why a query returns results sometimes but not always. I share where I would start looking and invite you to add your own answer.
Availability Groups or Failover Cluster Instances
Availability groups or failover cluster instances protect different SQL Server boundaries; compare data copies, shared storage, failover, and cost.
![SQL SERVER - CTRL+SHIFT+] Shortcut to Select Code Between Two Parenthesis](https://blog.sqlauthority.com/wp-content/uploads/2012/07/cursor3.jpg){kind=small}
SQL SERVER – CTRL+SHIFT+] Shortcut to Select Code Between Two Parenthesis
CTRL+SHIFT+] in SSMS lets you select code between two parenthesis, handy for subqueries and CTEs. Here is how it works at a few cursor positions.
SQL SERVER – NTFS File System Performance for SQL Server
A reader asked how to tune the NTFS File System for an 80 GB SQL Server box. I start a list of best practices, like disabling disk indexing; help me finish it.
Find SQL Server Installation Date and Time with T-SQL
The SQL Server Installation Date is the create date of the NT AUTHORITY\SYSTEM login, and one short query reads it. This post compares that clue with other dates that look right but aren’t, shows how to work out an Evaluation expiry date, and lists the cases where the clue is wrong.
Comment T-SQL in SSMS: SQL in Sixty Seconds #019
You can comment T-SQL in SSMS with a keyboard shortcut, a toolbar button or the Edit menu. The tests here show nested block comments, an UPDATE that lost its WHERE clause, a dangling comma after a commented column, and an unclosed comment, on SQL Server 2025.
SQL SERVER – Monitoring SQL Server Database Transaction Log Space Growth – DBCC SQLPERF(logspace) – Puzzle for You
Old but still my favorite: DBCC SQLPERF(logspace) to monitor transaction log space growth, saved with the time of each snapshot. Plus a puzzle for you.