2020-05-12
686 reads
Administration
How to Attach a SQL Server Database without a Transaction Log and with Open Transactions
You want to attach a SQL Server database that does not have the transaction log files and get the following error: "The log cannot be rebuilt because there were open transactions/users when the database was shutdown, no checkpoint occurred to the database, or the database was read-only. This error could occur if the transaction log file was manually deleted or lost due to a hardware or environment failure." In this tip I will help you to successfully attach the transaction log to the problematic SQL Server database.
2020-05-07
2020-04-28
766 reads
Automate your Morning Checklist
A morning checklist is a good thing, but an automated one is better.
2020-04-06
29,560 reads
2020-03-23
1,027 reads
Verify your SQL Server database backups
Introduction A popular joke about DBAs and database backups goes like this. There are two types of DBAs: DBAs that do backups DBAs that will do backups The joke is only stating the obvious – lack of database backups might be the end of a DBA career and/or the supported business. Unfortunately, that joke fails […]
2020-01-07
10,353 reads
2019-12-26
520 reads
Proactive Performance Tuning
Being proactive in trying to improve your system is good, but sometimes your team might cause you problems with their efforts.
2019-12-04
386 reads
2019-11-26
561 reads
2020-03-03 (first published: 2019-11-25)
10,756 reads
Blogs
A Last Minute Trip to the EU
By Steve Jones
My life has some crazy travel stretches for sure. Between speaking, office visits, customer...
Part 3 of 3: Tuning DiskANN — R, Alpha, L, Beam Width, Recall and Latency
In Part 1, we saw how ‘Vamana’ represents vectors as nodes, connects them with...
Automated SQL Server Benchmarking with HammerDB and Docker: A Complete Testing Framework
I’m excited to announce the release of a new open-source project that fully automates...
Forums
Optional Parameter Plan Optimization in SQL Server 2025: Fixing the Kitchen-Sink Search Procedure
Comments posted to this topic are about the item Optional Parameter Plan Optimization in...
AI Experience Gap that we keep talking about
Comments posted to this topic are about the item AI Experience Gap that we...
Question of the Day
ORDER BY alias
There is a table tmp_tab:
CREATE TABLE tmp_tab ( id int, val int );
INSERT INTO tmp_tab VALUES (1, 1), (2, NULL), (3, 3), (4, 4), (5, 5);You want to order the rows ids by the following expression:
ISNULL(val, id) + 1Which of the following queries produces the expected ordering and why? (Select all correct) See possible answers