SQL

22 July 2016

SQL Server Statistics Basics

Distribution statistics are used by SQL Server's Query Optimiser to determine a good execution plan for your SQL query. You don't need to know about them to execute queries, but the better you understand them, the better you can optimise your queries and sort out performance problems. Robert Sheldon once more provides a simple guide.… Read more
20 June 2016

SSIS in SSDT: The Basics

SQL Server Integration Services (SSIS) is a fast and reliable way of importing and exporting data, but it can be tricky to learn, initially. Rob Sheldon provides a beginner's guide to get you started with using SSIS with Visual Studio and SQL Server Data Tools (SSDT)… Read more
09 June 2016

Planning for a Successful Database Lifecycle

Although it is well-known that the best efforts of a development team can be derailed by mistakes in the architecture, design and general governance of a development project, few attempts have been made to describe what needs to be done to increase the chances of success in the development of a database application. William Brewer steps into the breach to itemise what a delivery team needs to succeed.… Read more
01 June 2016

Dynamic Images in SQL Server Reporting Services

It is relatively easy to provide a smart BI solution when your customer has all the resources for a new hardware and software platform, but it takes ingenuity to provide an effective simple solution requiring data-driven pictorial information on a range of template diagrams with just an existing platform of SQL Server, Reporting Services and .NET. … Read more
01 June 2016

3 Built-In Technologies for Centralizing SQL Server Administration

DBAs can be more effective in managing their workload by centralizing their procedures. There are several features of SQL server that can be harnessed to this end: PowerShell is only part of the solution: there is also Central Management Server, Master /Target Agent and the Remote Server Administration Tools. It's time to work out your objectives and pick the most suitable technologies to meet them. … Read more
01 June 2016

5 Monitoring Queries for SQL Server

Every DBA squirrels away favourite queries for monitoring SQL Server. Nowadays many of these are too complex to keep in your head. Dennes describes how he uses T-SQL queries for solving problems, whether it involves fixing the problems of missing indexes, preventing unrestrained autogrowth, avoiding index fragmentation, checking whether jobs have failed or avoiding memory stress conditions. … Read more
20 May 2016

How to Build and Deploy a Database from Object-Level Source in a VCS

It is easy for someone who is developing a database to shrug and say 'if only my budget would extend to buying fancy tools, then I could start using version control when developing or maintaining databases'. Phil Factor sets out to show that there are ways of maintaining object-level source control for SQL Server databases just using what Microsoft provides, It may not be perfect, but there are ways of doing it whatever your budget.… Read more
18 May 2016

Predictive Analysis Basics

Statistics holds out the promise of teasing out significant relationships and to determine cause and effect. Now that so much data is easily available, does that mean that we can at last harness these techniques to predict future trends and outcomes? Feodor gives an introduction to some simple techniques of predictive analytics, and explains the 'whys', 'hows' and 'wherefores'. … Read more
03 May 2016

Automatically Creating UML Database Diagrams for SQL Server

SQL Server database developers seem reluctant to use diagrams when documenting their databases. It is probably because it has, in the past, been difficult to automatically draw precisely what you want, other than a vast Entity-relationship diagram. However, you can do it without buying any third-party tool, just using some existing Java-based open-source tools; and can even automate it entirely, using SQL and PowerShell.… Read more
18 April 2016

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 gets you started.… Read more

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