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
The term DDL designates Data Definition Language, which implies an action involving creating data structures. In the context of Analysis Services Execute DDL Task, this is a bit of a misnomer because its capabilities are much more diverse, extending to such areas as backups, restores, deletions, modifications, or processing. This is accomplished by employing Analysis Services Scripting Language (ASSL).
2011-09-07
2,257 reads
In this tip we will walk through setting up the SQL Server Alias and using it with SQL Server package configuration in an SSIS package.
2011-09-05
3,238 reads
This tip outlines a test environment and then walks through the process of setting up Database Mirroring. This includes the configurations, backups, restores and verification process.
2011-09-02
3,660 reads
It is never a good idea to let your users be the ones to tell you of database server outages. It is far better to be able to spot potential problems by being alerted for the most relevant conditions on your servers at the best threshold. This will take time and patience, but the reward will be an alerting system which allows you to deal more effectively with issues before they involve system down-time.
2011-09-01
3,959 reads
If your SQL Server’s tempdb database is heavily used by your application(s), consider locating it on an array of its own (such as RAID 1 or RAID 10). This will allow disk I/O to be more evenly distributed, reducing disk I/O contention issues, and speeding up SQL Server’s overall performance.
2011-08-31
5,236 reads
A report might contain multiple data series on a chart, which can have considerably varying scales but common category groups. In such cases where this a big difference in scales, the data series with the lower scale can become obscured. In this tip we will take a look at how to solve this problem using Chart Areas.
2011-08-30
17,832 reads
The sequential nature of early data storage devices such as punched card and magnetic tape once forced programmers to devise algorithms that made the best of sequential access. These ways of doing data-processing have become so entrenched that they are still used in modern relational database systems. There is now a better way, as Joe Celko explains.
2011-08-29
3,057 reads
In this tip you will learn how to design aggregations for a partition and optimize it for performance.
Solution
2011-08-26
3,561 reads
By Steve Jones
I haven’t done one of these in awhile, but I saw an article recently...
In last months one of the scenarios where you can use AI has been...
By ChrisJenkins
Do you spend so long manipulating your data into something vaguely useful that you...
Comments posted to this topic are about the item Creating JSON II
Comments posted to this topic are about the item Engineer Lessons
On SQL Server 2025, what happens when I run this code:
SELECT JSON_OBJECTAGG( N'City':N'Denver' RETURNING JSON) GOSee possible answers