Build and fill a SQL Server Database using SQL Compare CLI and a Batch Script
Phil Factor provides a powerful DOS batch script which, when coupled with SQL Compare CLI, allows you to build databases from source, during development, and fill them with the specific datasets required for testing.
Delete Data from SQL Server Table in Batches
In this tip we cover a T-SQL script that allows you to batch delete older data from tables and save the deleted records to an archive table.
Collections: Computed gaps for continuous numbers
Problem Finding the hole for continuous sequences of numbers could be a discouraging task even for advanced programmers. This article presents a new solution based on usage of geometry data type and on a unknown function (if not, maybe less used function) specific designed for geometry objects. Sample: Given the following sequence of [dis]continuous numbers […]
Streamline and Acclerate SQL Server Data Warehousing
In this presentation we’ll discuss the aspects of data automation and focus on the central goal of extracting the data that is locked in several operational systems, normalizing it to the enterprise's standards and sharing it with the business.
Tagging SQL Server Changes in SQL Monitor
How to use RAISERROR() in T-SQL to send annotations to SQL Monitor, so you can observe the direct impact of application tasks, or server changes, on the SQL Server metrics.
Now Is a Good Time for Choices
The whole world is going through some interesting times. Chances are pretty high that you’re working from home and your principal interaction with others is through virtual means. I know I’m that way as is my company, Redgate Software. It can be challenging or rewarding, depending on how you go about it. What’s even more […]
Taking Stock of Your Career
With almost a quarter of 2020 gone, Steve notes it's be time to stock of your career.
Blogs
Automatic Index Compaction
By ReviewMyDB
Index maintenance has always meant nightly jobs and a window you have to defend....
The Goldilocks problem – Materialized Views
I’m sure you’ve all heard the tale of Goldilocks and the Three Bears, but...
Monday Monitor Tips: Virtual Machine Usage and Cost
By Steve Jones
One of the things I’ve been requesting for a number of years is cost...
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...
How We Handled a Vendor Retry That Loaded Twice in Snowflake
Comments posted to this topic are about the item How We Handled a Vendor...
Cognitive Coverage
Comments posted to this topic are about the item Cognitive Coverage
Question of the Day
Getting the Average
I have this data in the dbo.Commission table in a SQL Server 2022 database.
salesperson commission Brian 12 Brian 16 Andy 7 Andy 14 Andy 21 Steve 20 Steve NULLAll the data is a varchar, and I decide to run this query to get the totals for each salesperson.
SELECT SalesPerson
, AVG(TRY_PARSE(Commission AS int)) AS TotalCommission
FROM commission
GROUP BY SalesPerson
GO
What average commission is calculated for Steve? See possible answers