2016-05-16
3,465 reads
Articles
Implementing SQL Server In-Memory OLTP
How do you go about transferring a disk-based workload to the respective memory-optimized design? How do you process memory-optimized tables? How important for performance are natively-compiled Stored Procedures? Artemakis Artemiou comes up with a step-by-step guide to implementing an in-memory OLTP solution .
2016-05-16
3,732 reads
The SQL Server 2016 Query Store: Analyzing Query Store Performance
There are some obvious advantages to having the Query Store, but what is the performance impact that it is likely to have on a busy OLTP database server? It is early days, of course and until we get more experience we have to rely on Microsoft's estimate of a performance impact of 3-5% on average. However, this will depend on a number of factors such as usage an the way it is configured. Enrico explores some of these factors in order to give a clearer picture of what you should expect.
2016-05-13
3,339 reads
Adding PK Exceptions to SQLCop Tests
In this piece, Steve Jones shows how you can enforce a requirement of a Primary Key (PK) with a unit test, but also allow exceptions where needed.
2016-05-12
1,350 reads
Performance Surprises and Assumptions : DATEADD()
Aaron Bertrand explores yet another scenario where a date/time function seems to cause the optimizer to behave unexpectedly.
2016-05-12
4,956 reads
2016-05-11
4,469 reads
Data Mining Part 40: Big Data and Microsoft Data Mining
This article will introduce about big data and HDInsight and Hadoop.
2016-05-10
1,336 reads
SQL Server Security Audit Basics
SQL Server Server Audit has grown in functionality over the years but it can be tricky to maintain and use because it lacks centralization and analysis tools. It can do a fast and lightweight audit of many different activities including DML and DDL at both Instance and Database Levels - even the work of the DBAs. How do you check logins and permissions? How do you script an enterprise-wide audit solution? How can you hope to analyse the log data you get? Feodor Georgiev gets you started.
2016-05-10
3,537 reads
RANDom traps for the unwary
The Books Online description of the RAND() function is only true from certain perspectives.
2016-05-09
2,731 reads
2016-05-09 (first published: 2016-04-26)
7,938 reads
Blogs
How to Find Expensive Queries in Amazon Redshift
Slow-running queries can degrade your Redshift cluster’s performance and lead to increased costs. Identifying...
The Notification Trap: How Input Fatigue Is Killing Deep Work in Tech
By gbargsley
If you've been here before, you know this blog is usually about SQL Server,...
Designing a Storage Load Test for SQL Server
I’ve been doing storage load tests for SQL Server for a long time, both...
Forums
SQL 2019 instance with AG, across 2 Windows 2016 OS servers - OSin-place upgrade
Hi all Can I get some perspective from the community please on performing in-place...
How Long is a Long I/O?
Comments posted to this topic are about the item How Long is a Long...
T-SQL Trigonometric Functions in SQL Server
Comments posted to this topic are about the item T-SQL Trigonometric Functions in SQL...
Question of the Day
How Long is a Long I/O?
In SQL Server 2025, a long I/O is recorded in the error log with message 833. How long much an I/O request be outstanding before this message is written to the log?
See possible answers