Views are a valuable tool for the SQL Server Developer, because they hide complexity and allow for a readable style of SQL expression. They aren't there for reasons of performance, and so indexed views are designed to remedy this shortcoming. They're great in certain circumstances but they represent a trade-off, and they come with considerable 'small print'. Jes Borland explains.
2014-02-26
4,674 reads
A common method to detect if a row has changed is to compare hashes. Integration Services itself doesn’t have a hash implementation, so in this tip I’ll show how you can implement a hash detection mechanism using a script component, as an alternative to the pure T-SQL solution.
2014-02-25
3,416 reads
All DBAs need to engage in a little project management to help make sure everything runs smoothly. In this extract from the book Tribal SQL, David Tate explains his system for managing workload, colleagues, and projects, and how not to be just "the guy who says no".
2014-02-24
3,072 reads
A Hyper-V replica will provide a rapid disaster-recovery by simply replicating to a standby site a VM running at the primary site. Is it, therefore, ideal for running SQL Server in high-availability? Well, it depends on the type of HA you require, and whether you need the features that aren't supported.
2014-02-21
3,378 reads
SQL Server security related tasks can be divided into four main categories: physical security, operating system level security, SQL Server configuration and user management. Here is your SQL Server security checklist.
2014-02-20
4,963 reads
The SEQUENCE statement introduced in SQL Server 2012 brings the ANSI SQL 2003 standard method of generating IDs. This is a great relief to database professionals as it solves some problems what are awkward to solve with the IDENTITY property. Joe Celko explains the basics of using a SEQUENCE.
2014-02-19
5,839 reads
Recently we presented a procedure for uploading data to a Windows Azure SQL Database from an on-premise SQL Server instance. Today we will accomplish the same objective by employing a more traditional approach to data extraction, transformation, and loading (ETL) that relies on SQL Server Integration Services (SSIS).
2014-02-18
3,765 reads
If you have a number of SQL Server instances with versions ranging from 2005 upwards, with a whole host of databases, and you want to be alerted about a number of diverse events that are useful for first-line problem-diagnosis and auditing, then Feodor's homebrew solution, using SSIS and Robocopy is likely to be what you're looking for.
2014-02-17
5,089 reads
Under heavy load your SQL Server may not work as intended due to lack of resources. To handle this situation SQL Server 2014 gives us the possibility to use an SSD or Ram device to dynamically increase the Buffer Pool. Keep reading to see how you can take advantage of this new wonderful feature.
2014-02-14
2,811 reads
If, before deployment, you need to push the limits of your disk subsystem in order to determine whether the hardware’s I/O capacity meets the needs of a database application, if you need performance baselines, or if you want to identify any performance-related issues, then why not use the sqlio utility?
2014-02-13
6,077 reads
Every organization I talk to has the same problem dressed up in different clothes....
By DataOnWheels
I am delighted to host this month’s T-SQL Tuesday invitation. If you are new...
By alevyinroc
Ten years (and a couple jobs) ago, I wrote about naming default constraints to...
Comments posted to this topic are about the item The day-to-day pressures of a...
Comments posted to this topic are about the item The Problem Isn't Always Your...
Comments posted to this topic are about the item Identity Defaults
What happens when I run this code?
CREATE TABLE dbo.IdentityTest
(
id int IDENTITY(10) PRIMARY KEY,
somevalue VARCHAR(20)
)
GO
See possible answers