Changing the Path for the Master Database
We as DBAs, changing or migrating databases to a new path is important part of admin’s world. This article helps you with the steps involved to move the Critical 'master' database.
Set Statistics Time Examples for Tuning SQL Server Queries
The SQL Server set statistics time statement displays the number of milliseconds to parse, compile, and execute a T-SQL query statement. This set statement is widely used to assess times to implement a query statement. The set statistics time statement reports the CPU time and elapsed time for performance tuning.
Dynamic SQL Going Haywire
Those who work on various databases, or even those who do not, must have come across the term, Dynamic SQL. Dynamic SQL is basically a programming technique that enables you to build SQL statements dynamically at run time. It allows you to create more general purpose flexible SQL statement because the full text of the […]
How to Attach a SQL Server Database without a Transaction Log and with Open Transactions
You want to attach a SQL Server database that does not have the transaction log files and get the following error: "The log cannot be rebuilt because there were open transactions/users when the database was shutdown, no checkpoint occurred to the database, or the database was read-only. This error could occur if the transaction log file was manually deleted or lost due to a hardware or environment failure." In this tip I will help you to successfully attach the transaction log to the problematic SQL Server database.
Remote Data Challenges
While working remotely, we still need good security practices and strong data protection.
How to Resolve a Duplicate Key Error in SSAS
Learn how you can fix the duplicated key error in SSAS without editing the source data.
How to Add a Filter to an Existing SQL Change Automation Project
Kendra Little demonstrates how to create a SQL Compare filter file and save it to a SQL Change Automation project folder, so that it will be used automatically during development.
Technology Makes a Difference
As the world deals with the Covid-19 pandemic, technology is making some things better for those of us in isolation. We are also better equipped today to fight the disease. Researchers are using artificial intelligence to quickly develop vaccines and treatments.
Configuring Database Alerts for Azure SQL Database
This article will help us to understand how to monitor Azure SQL Database and set up Azure metric alerts. Even though the database in Azure SQL Database is fully managed by Microsoft, we are still responsible for proper database access and performance. Azure does make it easy for us and it can alert on critical […]
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