What's "Actually" going on with that Seek?
Rob Farley digs deeper into seeks and actual rows read, demonstrating a case where you want a non-sargable expression in the WHERE clause.
2016-07-26
3,541 reads
Additional Articles
The IT Manager's perspective: People as an Asset
Information Technology is fast-changing, but the people who work in IT need to have a good chance of a long-term career. That means keeping up to date, not only in their current speciality, but in the wider sphere of the technology they work with. IT managers must make sure that keeping up to date with technology is part of the day to day activity of their people. How should they make sure it happens?
2016-07-25
3,286 reads
PowerShell Desired State Configuration: Automating and Monitoring Pull mode
The Pull mode of Desired State Configuration (DSC) is more complicated to implement because you need to meticulously manage the MOF files and their naming conventions so as to ensure that you deploy your DSC configurations correctly. In this first article of a two-part series, Nicolas Prigent describes how you can best automate this, and then in a second part on monitoring DSC he describes techniques to help you to use the pull mode as a regular part of your admin work.
2016-07-22
3,368 reads
SQL Server differences of char, nchar, varchar and nvarchar data types
Sherlee Dizon looks at the basic differences between char, nchar, varchar, and nvarchar, as well as what to be aware of when using each data type.
2016-07-21
5,665 reads
Using SQL Compare with Dynamic Data Masking
Dynamic Data Masking is an exciting new feature in SQL Server 2016, allowing DBAs to centrally set a mask that is returned for a table column instead of the actual data, limiting what information is returned to certain users in a consistent and reliable way. What’s more, Redgate SQL Compare safely and reliably handles your DDM changes. Data Platform MVP Steve Jones explains more.
2016-07-21
3,492 reads
Number of Rows Read / Actual Rows Read warnings in Plan Explorer
Rob Farley looks at information exposed in query plans about residual predicates and actual rows read, showing how Plan Explorer helps identify the issue.
2016-07-20
3,121 reads
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.
2016-07-19
4,978 reads
Encrypting and Decrypting SQL Server Stored Procedures, Views and User-Defined Functions
You work in a shop that puts business or application logic in SQL Server using stored procedures, views and functions to return values to the calling applications or perform tasks. This is not unusual for companies that use the SQL Server layer to perform
2016-07-18
3,614 reads
SQL Server 2016 - what's changed in the SQL Toolbelt?
Over recent months, Redgate’s development teams have been busy updating the tools in the SQL Toolbelt to support the valuable new functionality released with SQL Server 2016. To achieve this, most tools now support the syntax for SQL Server 2016’s key features, letting you do even more with them. Learn mor.
2016-07-18
3,566 reads
SQL Server 2016 Temporal Table Query Plan Behaviour
For this month's T-SQL Tuesday, Rob Farley takes a look at a couple of unexpected aspects of query plans you might observe when using Temporal Tables in SQL Server 2016.
2016-07-15
3,095 reads
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Forums
SQL Art, Part 4: Happy 4th of July — A British DBA's Guide to Celebrating a War We Don't Talk About
Comments posted to this topic are about the item SQL Art, Part 4: Happy...
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Question of the Day
Multiple Values Inserted
I have this code on SQL Server 2022. What happens when it runs all at once?
DROP TABLE IF EXISTS dbo.Commission GO CREATE TABLE dbo.Commission (id INT NOT NULL IDENTITY(1,1) CONSTRAINT CommissionPK PRIMARY KEY , salesperson VARCHAR(20) , commission VARCHAR(20) ) GO INSERT dbo.Commission ( salesperson, commission) VALUES ( 'Brian', 12 ), ( 'Brian', 'None' ) GOSee possible answers