SQL Tips and Tricks Archives - Page 118 of 536 - SQL Authority with Pinal Dave

SQL SERVER – Transparent Data Encryption and Frequently Asked Questions

September 1, 2015

SQL Server Encryption, SQL Server Security

In the recent past, I have been traveling to Delhi to meet customers and also attend a few conferences which my company has been sponsoring. These travel experiences give me an opportunity to meet folks who read my blog regularly as a face-to-face interaction. Most of these interactions mean I…

SQL SERVER – SPID is KILLED/ROLLBACK state. What to Do Next?

August 31, 2015

Pinal Dave

SQL Tips and Tricks

SQL Scripts, SQL Server, SQL Server Security

I always recall my fun days after talking to my friends and blog readers. Recently killed/rollback discussion came back when my close DBA friend called me for help. Our discussion was worth blogging.

Interview Question of the Week #034 – What is the Difference Between Distinct and Group By

August 30, 2015

Pinal Dave

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

Question: What is the difference between DISTINCT and GROUP BY? Answer: A DISTINCT and GROUP BY usually generate the same query plan, so performance should be the same across both query constructs. GROUP BY should be used to apply aggregate operators to each group. If all you need is to remove…

SQL SERVER – Remove All Characters From a String Using T-SQL

August 29, 2015

Pinal Dave

SQL, SQL Server, SQL Tips and Tricks

In this post, How to Remove All Characters From a String Using T-SQL? we have seen How to Remove All Characters From a String Using T-SQL. But it only removes characters from the string. What if the string has some other special characters? Here is the method that handles this SET NOCOUNT ON…

SQL SERVER – Different Methods to Extract Scale Part From Decimal Number

August 28, 2015

Pinal Dave

SQL, SQL Server, SQL Tips and Tricks

SQL Function

One of my blog readers asked me “Is there a way to extract only the number after the decimal point?”. For example, in decimal number 45.90, 45 is the precision and 90 is the scale value. There are several methods to get this done Let us create this dataset CREATE…

SQL SERVER – Are Power Options Slowing You Down? – Notes from the Field #095

August 27, 2015

Pinal Dave

SQL, SQL Server, SQL Tips and Tricks

Notes from the Field, SQL Backup and Restore

[Note from Pinal]: This is a 95th episode of Notes from the Fields series. When it is about tuning SQL Server, we always look at the configuration of the SQL Server. However, there are few settings of the operating system can also impact the performance of the SQL Server. I recently…

SQL SERVER – Script: Finding queries without JOIN Predicates

August 26, 2015

Pinal Dave

SQL, SQL Performance, SQL Server, SQL Tips and Tricks

SQL Scripts

I have been in developer’s shoes for close to 5+ years before reinventing myself to do things that made me even better in coding. It is a tough challenge these days being a developer. The life around you and the technology is changing so rapidly that we seldom get time…