SQL Tips and Tricks Archives - Page 115 of 536 - SQL Authority with Pinal Dave

SQL SERVER – Failed Rule “Valid DSN” and “Valid Database compatibility level and successful connection”

September 25, 2015

I always try to keep myself up-to-date with latest release of SQL Server. As a part of that I wanted to upgrade my SQL Server 2016 CTP2.2 to CTP2.3 version. While doing in-place upgrade I was blocked with few error and I was not able to proceed. Here is the…

SQL SERVER – Finding If Date is LastDay of the Month

September 24, 2015

Pinal Dave

SQL, SQL Server, SQL Tips and Tricks

SQL DateTime

As I said many times before SQL Server does not stop amazing me continuously. It does not matter how many questions and issues I have come across so far there are always new things to learn. Here is the question which I was asked – How do we know if…

SQL SERVER – Scope of ERROR_MESSAGE

September 23, 2015

Pinal Dave

SQL, SQL Server, SQL Tips and Tricks

SQL Error Messages

SQL Server supports Error handling efficiency. You can do this with the help of TRY and CATCH blocks. If there is an error you can get the exact error message using the system function ERROR_MESSAGE(). I will demonstrate it using the following code BEGIN TRY SELECT 1+'SQL' AS RESULT END…

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

September 20, 2015

Pinal Dave

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…