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.
2016-07-08
10,110 reads
Rob Farley digs deeper into seeks and actual rows read, demonstrating a case where you want a non-sargable expression in the WHERE clause.
2016-07-07
3,150 reads
One of the challenges associated with running your workloads in Azure SQL Database is the limited level of management oversight. Fortunately, there is an alternative approach that leverages the functionality incorporated into the recently introduced Azure SQL Database Advisor - Marcin Policht provides a brief overview.
2016-07-06
3,869 reads
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.
2016-07-05
3,753 reads
Uniqueness of values in specific columns can be enforced in a SQL Server table by creating a unique constraint or a unique index on those columns. In this article, Sergey Gigoyan looks at what the differences between the two are, and how SQL Server handles them both.
2016-07-04
4,824 reads
David Fitzjarrell takes a look at why the mutating table error is thrown, why it's not going to create data problems, and how to possibly fix it.
2016-07-01
3,541 reads
It is a good time to get familiar with Azure SQL Data Warehouse. The first objective must be to get data into it. SSIS is a good way to start, and it’s certainly worth gaining confidence with the ETL processes supported by SSIS before setting off in other directions. Rob Sheldon provides a simple guide to getting up and running.
2016-06-30
3,793 reads
With PowerShell playing a more important role in administration of various types of servers, more SQL Server DBA candidates should have PowerShell knowledge and skills. In this article, Jeffrey Yao lists some common SQL Server DBA tasks that may be completed easier with PS than T-SQL.
2016-06-29
3,232 reads
The solution here was to slightly modify the slow queries, so the index could be fully used. We made the queries Search Argumentable, or "SARGABLE."
2016-06-28
4,654 reads
The requirements for the management of passwords have become far more complex over the past few years in response to the increasing sophistication of security breaches. Nowadays, you need to provide a range of features such as hashing, routine change of passwords, preventiion of repeat passwords, email confirmation, auto-generation of random passwords and password quality checks. Dino Esposito explains.
2016-06-27
3,535 reads
By DataOnWheels
The T-SQL Tuesday topic this month comes James Serra. What career risks have you...
This T-SQL Tuesday is hosted by the one and only James Serra – literally...
By Steve Jones
This month we have a new host, James Serra. I’ve been trying to find...
Comments posted to this topic are about the item OPENQUERY Flexibility
Comments posted to this topic are about the item A Full Shutdown
Comments posted to this topic are about the item Going Native with Fabric Spark...
Which of these are valid OPENQUERY() uses?
See possible answers