Estimated Number of Rows to be Read
Rob Farley uses this month's T-SQL Tuesday to show off the results of one of his Connect items : Estimated Number of Rows to be Read.
2017-02-06
3,839 reads
Additional Articles
PowerShell Invoke-SQLCmd outputs DataTables you can INSERT into SQL Server
Aaron Nelson explains how you can take an existing SQL query, run it against a SQL Server and then take the results and save them to a different SQL Server without using Linked Servers.
2017-02-03
5,215 reads
Using A Block Predicate to Restrict Row Updates and Inserts
If you are using row level security in SQL Server 2016 you might find users are updating or inserting rows of data that keep them from seeing the row after they have performed the update or insert statement. If you want to prevent this from occurring, you can use a blocking predicate.
2017-02-02
6,585 reads
Planning for Successful Data Management
It is the data, in particular, that sets Database Lifecycle Management apart from the mainstream of application delivery. Data entities, and the way that organisations understand and deal with them, have their own lifespan. If we neglect the management of data, we risk disaster for the organisations that use it. If we take data management seriously, databases become a lot easier.
2017-02-01
5,732 reads
SQL Server v.Next : STRING_AGG Performance, Part 2
Aaron Bertrand starts digging deeper into the performance of string concatenation methods STRING_AGG and FOR XML PATH.
2017-01-31
3,209 reads
DevOps and Database Lifecycle Management
Database Lifecycle Management (DLM) aims to provide a roadmap of what is required, and when, to deliver and maintain effective databases that can respond quickly to business change. How...
2017-01-30
3,197 reads
Hyper-V and PowerShell: The Basics
Because it is important with maintaining Virtual Machine environments to be able to repeat routine tasks completely accurately, Windows PowerShell has grown in importance for the job. Now you can manage the Hyper-V environment via PowerShell without needing to use the Hyper-V Manager console. It opens up many opportunities for automation.
2017-01-27
6,538 reads
Importance of Performing DBCC CHECKDB on all SQL Server Databases
The SQL Server model database is one of the core system databases, but it seem to get less attention in terms of importance. This post from Simon Liew will demonstrate the havoc the model database can cause when database integrity checks exclude the model database and corruption goes undetected.
2017-01-26
4,940 reads
Columnstore Indexes and Computed Columns in SQL Server 2016
You can’t do everything with a columnstore index — but SQL Server’s optimizer can get pretty creative so it can use a columnstore index in ways you might not expect. Kendra Little explains.
2017-01-25
4,012 reads
Automating the Setup of the Local Developer Machine
On both Windows and Linux, the chore of setting up a development workstation can take several days, and there always seem to be a few configuration settings that get missed. You can reduce the time and tedium dramatically by automating the process by using Vagrant to set up the operating system, followed by your choice of provisioning, configuration management and orchestration applications such as Puppet, Chef, Ansible, Salt, Docker, Chocolatey and Boxstarter. Vishwas shows how to make it easy to do with Vagrant, Chocolatey and Boxstarter.
2017-01-24
3,844 reads
Blogs
SQL Server Journey Part 2: Modern Era (2017 – 2026) – AI/Cloud First
By Vinay Thakur
Following up on my Part 1 baseline, the journey from 2017 onward changed how...
Google Moves Up Post-Quantum Cryptography Timeline
By Brian Kelley
In cryptography, the RSA and ECC algorithms which we use primarily for asymmetric cryptography...
The Book of Redgate: No Politics
By Steve Jones
In today’s world, this might mean something different, but in 2010, we had this...
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Question of the Day
An Unusual Identity
What values are returned when I run this code?
CREATE TABLE dbo.IdentityTest2
(
id NUMERIC(10,0) IDENTITY(10,10) PRIMARY KEY,
somevalue VARCHAR(20)
)
GO
INSERT dbo.IdentityTest2
(
somevalue
)
VALUES
( 'Steve')
, ('Bill')
GO
SELECT top 10
id
FROM dbo.IdentityTest2 See possible answers