SQL Tips and Tricks Archives - Page 162 of 536 - SQL Authority with Pinal Dave

SQL SERVER – How to Find Running Total in SQL Server

October 4, 2014

Finding running total is one of the most popular request user encounters in the industry. There are two different ways to find out running totals. One of the methods is as per SQL Server 2008 R2 and earlier version. This is indeed a very expensive version of finding running total…

SQL SERVER – GROUP BY Columns with XMLPATH – Comma Delimit Multiple Rows

October 3, 2014

Pinal Dave

SQL, SQL Server, SQL Tips and Tricks

SQL Scripts, SQL Server

This is one of the most popular question and I keep on getting again and again in email, Facebook and on social media. I have decided to write about it here in the blog so in future I can directly give a reference. Here is the question – there is…

SQL SERVER – Building Technical Reference Library – Notes from the Field #048

October 2, 2014

Pinal Dave

SQL, SQL Server, SQL Tips and Tricks

Notes from the Field, SQL Server Security

[Note from Pinal]: This is a 48th episode of Notes from the Field series. How do you build a technical reference library? In other word, when you need help how do you create your own reference so you do not have to go out to look for further help. There…

SQL SERVER – UPDATE FROM SELECT Statement with Condition

September 30, 2014

Pinal Dave

SQL Tips and Tricks

SQL Scripts, SQL Server, SQL Table Operation

An email from an old college friend landed my mailbox about UPDATE FROM SELECT Statement with Condition:
“Hey Pinal,”
I have two tables. I want to conditionally update data in one table based on another table. How can I do that. I have included sample scripts and an image for further explanation.

SQL SERVER – How to Check Snapshot Isolation State of Database

September 29, 2014

Pinal Dave

SQL, SQL Server, SQL Tips and Tricks

MySQL

It is very easy to know the snapshot Isolation State of Database and here is the quick script for the same. SELECT name , s.snapshot_isolation_state , snapshot_isolation_state_desc , is_read_committed_snapshot_on FROM sys.databases s Upon running above code it will return the results describing the status of the isolation level for your…

SQL SERVER – Extension of the SQL Server Natively Compiled Stored Procedures

September 27, 2014

Pinal Dave

SQL Tips and Tricks

In-Memory OLTP, SQL Server

Earlier I wrote a blog post about the Location of Natively Compiled Stored Procedure and Naming Convention. In this blog post, I wrote about location of natively compiled stored procedures.

SQL SERVER – Performance Dashboard – Historic Information

September 26, 2014

Pinal Dave

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

SQL Reports

There are a lot of games that I play with my daughter in spare time. Some of them are for just for fun and a lot of them are fun filled with some learning. As she started to grow up, it was important for me to weave learning into her…

SQL SERVER – How to Find Running Total in SQL Server

SQL SERVER – GROUP BY Columns with XMLPATH – Comma Delimit Multiple Rows

SQL SERVER – ​Building Technical Reference Library – Notes from the Field #048

SQL SERVER – UPDATE FROM SELECT Statement with Condition

SQL SERVER – How to Check Snapshot Isolation State of Database

SQL SERVER – Extension of the SQL Server Natively Compiled Stored Procedures

SQL SERVER – Performance Dashboard – Historic Information

SQL SERVER – Building Technical Reference Library – Notes from the Field #048