MySQL introduced its own brand of job scheduling, called Events, in version 5.1. However, some Database Administrators (DBAs) feel that it isn't quite ready for prime time. This article presents a hybrid solution that uses MySQL Event Scheduling to manage the batch jobs and Windows PowerShell for the error handling.
2012-07-03
2,971 reads
Many clients are using custom stored procedures or third party tools to backup databases in production environments instead of using database maintenance plans. One of the things that you need to do is to maintain the number of backup files that exist on disk, so you don't run out of disk space. There are several techniques for deleting old files, but in this tip I show how this can be done using PowerShell.
2012-07-02
3,232 reads
SQL Server 2012 came with bells and whistles for service broker, that give you plenty reasons to start using service broker in your applications.
2012-06-29
4,153 reads
Transaction Replication Publisher failover/failback to mirror standby with automatic redirection of the subscriber and client application.
2012-06-28
2,824 reads
PowerShell is becoming a great tool for managing SQL Server tasks, but like most tasks that are coded there is always the need for error handling to deal with the unknown. PowerShell has several options for handling and capturing error details and in this tip we will explain these options using PowerShell for SQL Server examples.
2012-06-28
3,684 reads
Occasionally, a DBA may need to restore a database from a multiple backup files that originated from multiple servers. This requirement might arise, for example, in a database-mirroring configuration, where backups may be from either of the servers.
2012-06-27
2,952 reads
A deceptively simple solution to a business re-engineering problem can beguile companies into selecting a compromise that doesn't actually meet all their needs. Simple is great, but not at the expense of functionality. Some IT solutions are complex because the problem is complex, but they can be made conceptually clearer.
2012-06-27
3,279 reads
Some tips on what to do when you inherit a database that you've never worked on before
2012-06-26 (first published: 2009-06-22)
55,496 reads
Not everything in SQL Server is documented and Steve Jones doesn't think that everything should be. However some features are used often and should have additional documentation.
2012-06-26
349 reads
This article will show some common integer data-type conversions using T-SQL.
2012-06-26
7,425 reads
By ReviewMyDB
Index maintenance has always meant nightly jobs and a window you have to defend....
I’m sure you’ve all heard the tale of Goldilocks and the Three Bears, but...
By Steve Jones
One of the things I’ve been requesting for a number of years is cost...
Comments posted to this topic are about the item SQL Art, Part 4: Happy...
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Comments posted to this topic are about the item Cognitive Coverage
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