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Why Are You Dropping and Recreating Your Indexes?

Do you have data load processes that drop indexes to optimize the load process? Are you dropping those indexes in one step, then loading data into your table, only to recreate the indexes in a post data load step?  Read more...
By Additional Articles 2018/05/22 | Source: Database Journal | Category: indexing
Rating:  Rate this |   Briefcase | 4,993 reads

Avoid use of the MONEY and SMALLMONEY datatypes

One of SQL Prompt's code analysis recommendations is that you avoid using the MONEY and SMALLMONEY datatypes - this article from Phil Factor explains why.  Read more...
By 2018/05/04 | Source: Redgate | Category: code analysis
Rating:  Rate this |   Briefcase | 4,954 reads

Finding code smells using SQL Prompt: Asterisk in SELECT list

In this article Phil Factor explains how to find code smells using SQLPrompt: Asterisk in SELECT list  Read more...
By 2018/06/15 | Source: Redgate | Category: sql prompt
Rating:  Rate this |   Briefcase | 3,608 reads

An Easier Way of Pivoting Data in SQL Server

There are several methods to pivot, or transpose, data in T-SQL, but most are difficult to understand and write. Phil Factor demonstrates how to take advantage of JSON support, introduced with SQL Server 2016, to create a function that makes pivoting data simple.  Read more...
By 2018/02/16 | Source: SimpleTalk | Category: pivoting
Rating:  Rate this |   Briefcase | 6,427 reads

SQL Code Smells

Some time ago, Phil Factor wrote his booklet 'SQL Code Smells', collecting together a whole range of SQL Coding practices that could be considered to indicate the need for a review of the code. It was published as 119 code smells, even though there were 120 of them at the time. Phil Factor has continued to collect them and the current state of the art is reflected in this article. There are now around 150 of these smells and SQL Code Guard is committed to cover as many as possible of them.  Read more...
By Additional Articles 2017/11/06 | Source: SimpleTalk | Category: sql
Rating:  Rate this |   Briefcase | 8,075 reads

Changing Data Types on Large Tables: The INT to BIGINT Conundrum

Changing a data type seems like a simple task unless the table is quite large and downtime must be kept to a minimum. Danny Kruge walks you through the process he created to change an INT to a BIGINT in a large table.  Read more...
By Additional Articles 2018/03/13 | Source: SimpleTalk | Category: database administration
Rating:  Rate this |   Briefcase | 9,566 reads

Introduction to Agile with SQL Server

Working with SQL Server in Agile software development can be difficult. Ben Brumm provides an overview of Agile, specifically Scrum, and what to expect when SQL Server, or really any SQL platform, is involved.  Read more...
By 2018/01/17 | Source: SimpleTalk | Category: agile
Rating:  Rate this |   Briefcase | 5,006 reads

Critical SQL Server Patches for Meltdown and Spectre

Everyone needs to learn about these hardware bugs and apply patches as soon as possible.  Read more...
By Steve Jones 2018/01/22 (first published: 2018/01/05) | Source: SQLServerCentral.com | Category: sql server
Rating: |  Discuss |   Briefcase | 4,861 reads

“But I don’t need to back up that database.”

Brent Ozar shares four stories of people who thought they could avoid backups - and got burned.  Read more...
By Additional Articles 2018/05/04 | Source: Brent Ozar Unlimited Blog | Category: backups
Rating:  Rate this |   Briefcase | 4,569 reads

Why is My Database Application so Slow?

When your application is running slowly, the reflex action is to blame the database queries. It is certainly true that some of the more extravagant delays can be fairly blamed on a missing index or unnecessary locking, but there are other potential villains in the drama, including the network and the application itself. Dan Turner points out that you could save a lot of time and money by working out for sure where the problems lie before diving into the detail.  Read more...
By Additional Articles 2017/11/02 | Source: SimpleTalk | Category: performance
Rating:  Rate this |   Briefcase | 6,678 reads

Free eBook: SQL Server Internals: In-Memory OLTP

In this free ebook Kalen Delaney introduces and explains how the 2016 In-Memory OLTP engine works. The Hekaton internals knowledge offered in this book will help you migrate existing tables or databases to Hekaton, and get faster performance from your SQL Server applications than you ever thought possible.  Read more...
By Additional Articles 2018/01/09 | Source: SimpleTalk | Category: in-memory oltp
Rating:  Rate this |   Briefcase | 4,713 reads

Questions about Data Governance that You Were Too Shy to Ask

A company’s data is one of its most valuable and important resources. Managing and protecting that data are big responsibilities, and a data governance processes must be put into place to avoid misuse and to meet regulations. In this article, William Brewer answers questions you may have about data governance but were too shy to ask.  Read more...
By Additional Articles 2018/02/19 | Source: SimpleTalk | Category: data governance
Rating:  Rate this |   Briefcase | 4,106 reads

How to Do a SQL Server Architecture Review

How do you get management to help you figure out if a cluster or an AG is right for you? In this post, Brent Ozar explains the steps involved when doing a review of your SQL Server architecture.  Read more...
By Additional Articles 2017/11/09 | Source: Brent Ozar Unlimited Blog | Category: architecture
Rating:  Rate this |   Briefcase | 6,440 reads

Misuse of the scalar user-defined function as a constant

If you use an unverified scalar function, then the query will be grindingly slow because you will be executing it on every row whether it has a parameter or not. This post explains the issue in more depth, and shows how SQL Prompt code analysis rules can help you avoid it altogether.   Read more...
By 2018/03/05 | Source: Redgate | Category: redgate
Rating:  Rate this |   Briefcase | 4,019 reads

Quickly Restricting Database Access

There may be times when you need to perform maintenance against a database that requires you to keep normal database users from connecting to your database while the maintenance is being performed. You want to stop users from connecting right away, but you want the database to be in a state that you can perform maintenance.   Read more...
By Additional Articles 2017/12/28 | Source: Database Journal | Category: access control
Rating:  Rate this |   Briefcase | 4,972 reads

Finding code smells using SQL Prompt: procedures that lack schema-qualification

It is a very good idea to get into the habit of qualifying the names of procedures with their schema. It is not only makes your code more resilient and maintainable, but as Microsoft introduces new features that use schemas, such as auditing mechanisms, you code contains no ambiguities that could cause problems.  Read more...
By 2018/01/12 | Source: Redgate | Category: redgate
Rating:  Rate this |   Briefcase | 4,932 reads

Finding code smells using SQL Prompt: old-style join syntax

SQL Prompt implements a static code analysis rule which will check code automatically for occurrences of non-ANSI standard JOIN syntax - here's how it works.  Read more...
By 2018/01/18 | Source: Redgate | Category: redgate
Rating:  Rate this |   Briefcase | 4,381 reads

Questions About Amazon Data Migration Service (AWS DMS) That You Were Too Shy to Ask

Can you imagine it? You are in a group of smart database people, and they are debating the finer points about AWS DMS, and you don't even know what the letters stand for. You just feel too shy to ask those basic questions that seem ridiculous once you're up to speed. Laerte Junior answers all the questions you need answers for when facing the prospect of getting familiar with Amazon's useful Database Migration Service.  Read more...
By Additional Articles 2017/12/29 | Source: SimpleTalk | Category: aws
Rating:  Rate this |   Briefcase | 4,841 reads

SQLCLR in Practice: Creating a Better Way of Sending Email from SQL Server

SQLCLR is now considered a robust solution to the few niche requirements that can't be met by the built-in features of SQL Server. Amongst the legitimate reasons for avoiding SQLCLR, there is the fear of getting bogged down in code with special requirements that is difficult to debug. Darko takes a real example, extending the features of sp_send_dbmail, to demonstrate that there need be few terrors in SQLCLR.  Read more...
By Additional Articles 2017/09/25 | Source: SimpleTalk | Category: sqlclr
Rating:  Rate this |   Briefcase | 7,446 reads

Performance Myths : Oversizing string columns

Aaron Bertrand shows a quick demo that illustrates why you should be very careful about oversizing varchar / nvarchar columns.  Read more...
By Additional Articles 2017/08/02 | Source: SQLPerformance.com | Category: performance
Rating:  Rate this |   Briefcase | 8,177 reads