Temporary tables are used by every DB developer, but they're not likely to be too adventurous with their use, or exploit all their advantages. They can improve your code's performance and maintainability, but can be the source of grief to both developer and DBA if things go wrong and a process grinds away inexorably slowly. We asked Phil Factor for advice, thinking that it would be a simple explanation.
2011-09-22
6,511 reads
There are situations when you may need to remove HTML tags from your character string data. PowerShell will let you "clean" the string data and export the result to a .csv file in a single step.
2011-09-20
2,143 reads
Laerte Junior was asked for a quick and easy way to save the output from the Get-EventLog cmdlet in a SQL Server table. Luckily, he already knew about Chad Miller's excellent Out-DataTable and Write-DataTable functions, and has laid out everything we need to use them like pros.
2011-09-19
2,003 reads
It comes as rather a shock to find out that one of the commonest circumstances in an OLTP database, an ascending primary key with most querying on the latest records, can throw the judgement of the Query Optimiser to the extent that perfomance nose-dives. Fabiano Amorim once again dons snorkel and goggles to explore the murky depths of execution plans to find out why.
2011-09-16
2,528 reads
There are numerous circumstances when we wish to add a custom function to a SSRS report in order to cater for needs of the customer which exceeds the capability of the built-in functions in SSRS. In these scenarios we will have to write our own functions. In this article you will see how to add custom code to SSRS.
2011-09-15
3,644 reads
Are your index statistics up to date? The SQL Server database engine uses statistics to determine which execution plan to use when a query is compiled. Index statistics are used to help the SQL Server engine determine the cardinality of different column values in a SQL Server table. If you want to give SQL Server a fighting chance at picking an optimal execution plan then you need to make sure you maintain your index statistics.
2011-09-14
3,901 reads
owerShell can be used to for many SQL administrative tasks; this tip walks through how to run T-SQL code and admin tasks on remote servers.
2011-09-13
3,153 reads
Sean Duffy recently had an unwelcome encounter with Exchange Server Back Pressure, which cut off his message flow due to a lack of space on the server. To make sure it didn’t happen again, he found a way to automatically monitor all his servers from afar, with a little PowerShell magic.
2011-09-12
5,092 reads
To understand how to write SQL code for SQL Server that performs well, it is important to appreciate how the query optimizer works. Ben Nevarez explains the essentials, in a broad sweep through a complex subject, in an article taken from his new book 'Inside the SQL Server Query Optimizer'.
2011-09-09
4,876 reads
You need to configure transactional replication for a very large SQL Server database. Instead of running the snapshot agent to initialize the subscriber, in this tip we look at how you can initialize the subscriber from a SQL Server backup.
2011-09-08
4,025 reads
By Steve Jones
I was listening to the radio the other day and the hosts were discussing...
By Steve Jones
We’re a week late, once again my fault. I was still coming out of...
By Steve Jones
I ran across this article recently (https://www.gatesnotes.com/meet-bill/source-code/reader/microsoft-original-source-code) and it has a great opening piece...
Comments posted to this topic are about the item Learning From Breakage
Comments posted to this topic are about the item Python in Action to Auto-Generate...
Comments posted to this topic are about the item Adding and Dropping Columns I
I have this table in my SQL Server 2022 database:
CREATE TABLE [dbo].[CityList] ( [CityNameID] [int] NOT NULL IDENTITY(1, 1), [CityName] [varchar] (30) COLLATE SQL_Latin1_General_CP1_CI_AS NULL ) ON [PRIMARY] GOI decide to add two new columns for the StateProvince and Country. What code should I use? See possible answers