On the surface, the goal of performance tuning a query seems simple enough. Essentially, we want our queries to run faster. This article looks at how the STATISTICS IO and STATISTICS TIME options can help us tune queries.
2001-06-12
2,431 reads
If you have Microsoft Windows 2000 or Microsoft Internet Explorer 5.0, Pull subscribers can use the Windows Synchronization Manager (WSM) to synchronize with the publisher.
2001-06-11
1,664 reads
A method for creating databases and other objects on the fly and distribute these objects to multiple servers.
2001-06-08
1,944 reads
This article discusses queries that involve more than one database server. For example, you can run a query that returns a joined recordset where some records come from a SQL Server™ database and others come from an AS/400 machine.
2001-06-06
1,416 reads
Lots of people are designing and building Microsoft Windows-based apps with previously unimagined reliability. Starbucks, GMAC, and FreeMarkets.com all have case studies demonstrating five nines. So, how are these companies able to achieve these levels of reliability?This month I am going to show you how to use standard Microsoft Windows technologies to make your Microsoft SQL Server™ app just like Denny's—“always open” and ready for business.
2001-06-05
1,660 reads
SQL is the lingua franca of server-side Web data apps. Some of the advanced features of SQL joins, views, rankings, and computed columns can drastically simplify your code.
2001-06-04
1,107 reads
Getting ready to install Windows 2000 SP2? Read this article first. It provides links to resources as well as potential problems.
2001-06-01
1,069 reads
An introductory article from Microsoft on the newest version of SQL Server: SQL Server CE designed for Windows CE devices. Includes some ideas for where this version fits in your architecture.
2001-05-30
1,721 reads
A good place to start before clustering. Written by Brad McGhee, the founder of sql-server-performance.com.
2001-05-29
1,816 reads
Provides audience with information on cluster analysis algorithm.
2001-05-07
1,594 reads
By Ed Elliott
All Spark Connect Posts I recently published the latest version of the Spark Connect Dotnet...
By Steve Jones
opia – n. the ambiguous intensity of eye contact The entry for this says...
By Steve Jones
This was actually a cool tip I saw internally from one of the product...
Vidalista, a highly effective medication for erectile dysfunction (ED), is widely celebrated for its...
Comments posted to this topic are about the item STRING_AGG's behavior
Comments posted to this topic are about the item The Role of Databases in...
CREATE TABLE t0
( id INT PRIMARY KEY
, field1 VARCHAR(1000)
, field2 VARCHAR(MAX));
INSERT INTO t0
SELECT
gs.value
, REPLICATE ('X', 1000)
, REPLICATE ('Y', 1000)
FROM generate_series(1, 10, 1) gs;
GOselect STRING_AGG(field1, ';') within group (order by id) from t0;
select STRING_AGG(field2, ';') within group (order by id) from t0;