SQL Server Archives - Page 15 of 393 - SQL Authority with Pinal Dave

Interview Question of the Week #037 – What are the Properties of Relational Tables?

September 20, 2015

SQL, SQL Interview Questions and Answers, SQL Server, SQL Tips and Tricks

The other day in the interview, I heard this question and it sent me back to my college days as I used to hear similar questions from my professors. Here is the same question again and its answer. Question: What are the properties of the relational tables? Answers: Relational tables have…

SQL SERVER – Edition Upgrade from Evaluation to Enterprise Core – AlwaysOn Warning!

September 19, 2015

Pinal Dave

SQL, SQL Server, SQL Tips and Tricks

AlwaysOn

While preparing for a demo about SQL migration, one of the demo was to show the steps needed to upgrade Evaluation edition to full version of SQL Server. The steps are pretty simple and already blogged at many place on the internet. One of my own blog also shows that:…

SQL SERVER – FIX – Replication Error: SQL Server replication requires the actual server name to make a connection to the server

September 18, 2015

Pinal Dave

SQL, SQL Server, SQL Tips and Tricks

SQL Error Messages

Replication as a topic is quite old and proven technology. After I saw the introduction of SQL Server AlwaysOn from SQL Server 2012, I hardly see folks talking about replication. For me replication will always be a technology which allows for partial (selected tables/articles) synchronization technology, which a lot of…

SQL SERVER – Notes about scheduler with Operating Systems

September 17, 2015

Pinal Dave

SQL, SQL Server, SQL Tips and Tricks

Last week I visited my hometown and also made a trip to my college to relive some of my learning days. I bumped into one of my professors who was going for a class. I requested to attend and wanted to contribute. The discussion then moved to a core topic…

SQL SERVER – ERROR: Autogrow of file ‘MyDB_log’ in database ‘MyDB’ was cancelled by user or timed out after 30121 milliseconds

September 14, 2015

Pinal Dave

SQL, SQL Server, SQL Tips and Tricks

SQL Error Messages

One of the most difficult and haunted issue for any DBA is to do a root cause analysis or RCA of a performance issue with SQL Server. That is why monitoring of SQL Server is very important and companies spend a lot of time in buying tools for that. Sometimes,…

Interview Question of the Week #036 – What is the difference between @@DATEFIRST and SET DATEFIRST?

September 13, 2015

Pinal Dave

SQL, SQL Interview Questions and Answers, SQL Server, SQL Tips and Tricks

SQL DateTime

Question: What is the difference between @@DATEFIRST and SET DATEFIRST with respect to SQL Server? Answer: SQL Server with US English as default language, SQL Server sets DATEFIRST to 7 (Sunday) by default. We can reset any day as the first day of the week using SET DATEFIRST 5 This will set…

SQL SERVER – Who Dropped Table or Database?

September 12, 2015

Pinal Dave

SQL, SQL Server, SQL Tips and Tricks

SQL Server Security

I used to run a series on Hero’s and Sherlock Holmes is one of my favorite. There is always a need to get to the bottom of the problem statement and whether you are a developer or a DBA, at least once you might have been asked one of the…